Read the vaccination schedule for adults and teens, and learn about recommended immunizations for MMR, HPV, Td/Tdap, varicella, tetanus, shingles, hepatitis A and B, and typhoid.

Influenza is a potentially life-threatening respiratory infection. Get the facts about influenza vaccine (flu shot) side effects, ingredients, and vaccination effectiveness. Learn who should (children, pregnant women, elderly) and shouldn't get a flu shot. Find out if it's possible to have a COVID-19 infection and the flu at the same time.

Learn about influenza (flu) symptoms, treatment with antiviral drugs, flu shot side effects, and prevention during flu season. Discover when to get the flu vaccine, how long the flu lasts, the contagious period, flu types (influenza A, B, and C), and how it spreads.

Learn measles symptoms and signs (rash, fever, Koplik spots), the history of outbreaks, transmission facts, treatment, and read about disease prevention (MMR or measles, mumps, and rubella vaccination).

Get answers for vaccination questions, and learn about travel vaccines, immunizations during pregnancy, and other vaccine types and dangers.

Read our children's immunization schedule, and learn about vaccines for kids (Hib, polio, DTaP, MMR [Measles, Mumps, Rubella], HPV, flu, chickenpox, meningitis, rotavirus, pneumonia, hepatitis A, and B).

Get the facts on the chickenpox, and read about its vaccine, treatment, causes (varicella zoster virus, shingles cause), symptoms and signs (itchy, red rash), how it spreads, and complications. Chickenpox is a highly contagious infection.

Swine flu (H1N1, H3N2) is a respiratory illness. The swine flu viruses that infect pigs can change, easily transmitting the virus to humans. Get the facts on swine flu (swine influenza A H1N1 virus) history, symptoms, how this contagious infection is transmitted, prevention with a vaccine, diagnosis, treatment, news, and research.

Learn about pneumococcal vaccination (pneumonia vaccine) indications, types, side effects, recommended schedule, ages, and guidelines.

Learn about hepatitis A and B immunizations and how individuals are exposed to hepatitis A and B, as well as who should receive the vaccinations and how long does it last.

Meningitis is inflammation of the meninges that cover the brain and spinal cord. Symptoms include a stiff neck, fever, and headache. Read about treatment, causes, diagnosis, and vaccination.

Infection with the variola virus causes smallpox. Symptoms and signs include a characteristic rash and high fever. Read about vaccine side effects, history and treatment, plus see pictures. Learn about the eradication of the smallpox virus, and learn about smallpox vaccination.

Get the facts on the history of polio, an infectious disease that causes symptoms and signs such as paralysis and limb deformities. Also, read about prevention through vaccination, polio-like illness, contagious, and polio iron lung.

Yellow fever is an infectious disease transmitted by infected mosquitoes. Side effects are rare with the yellow fever vaccine. Read about the history of the disease, symptoms, treatment, incubation period, diagnosis, and prognosis.

Get travel tips on preventing and treating traveler's diarrhea, malaria, yellow fever, hepatitis A, typhoid fever, polio, cholera, and meningococcal meningitis.

Read about the whooping cough vaccine (DTaP, Tdap), treatment, symptoms, stages, causes (Bordetella pertussis), and prevention. Whooping cough gets its name from the high-pitched whoop sound that follows a series of rapid coughs.

Bird flu, or avian flu, causes symptoms such as fever, cough, and sore throat. Strains that infect humans include H5N1, H7N9, H5N8, and H10N3. Learn about vaccination, transmission, treatment, prevention, and prognosis. The first US case was confirmed in April of 2022.

Mumps treatment focuses on providing relief of signs and symptoms -- swollen cheeks, fever, and headache. Read about the MMR vaccine, outbreak history, and prevention. Plus, see pictures and learn how mumps spread.

Meningococcal Disease is a severe bacterial infection with symptoms including fever, headache, fatigue, and body aches. Read about contagious, vaccines, prevention, treatment, causes, diagnosis, and prognosis information.

Hepatitis B (HBV, Hep B) is a virus that spreads through infected blood or body secretions (blood, semen, vaginal discharge, breast milk, and saliva). Read about symptoms, diagnosis, treatment, vaccination, and prevention.

Get information on the Ebola hemorrhagic fever vaccine, symptoms, treatment, causes, and history. Learn about transmission of the Ebola virus, and read about infection prevention efforts.

Diphtheria is a disease caused by a bacteria. Symptoms and signs include fever, swollen lymph nodes, trouble swallowing, and coughing. Read about treatment, causes and prevention.

Viral hepatitis refers to hepatitis caused by a few specific viruses that primarily attack the liver. Hepatitis symptoms include loss of appetite, nausea, vomiting, fever, weakness, tiredness, and abdominal pain. Learn about different types, causes, and treatments.

The chickenpox virus (varicella-zoster) causes shingles (herpes zoster), a painful, blistering contagious rash. Get the facts on shingles treatment, symptoms, complications, the vaccine, and the contagious period of this viral infection.

Colon cancer is preventable and curable if it is detected early. Get information about risk factors, available screening procedures and tests, and genetic testing information for colon cancer.

Bacteria, viruses, or fungi may cause pneumonia or inflammation of the lungs. Viral, bacterial, and fungal pneumonia are contagious. Sometimes symptoms are not severe at first, leading to "walking pneumonia." Read about pneumonia symptoms, treatment, and vaccines.

Cholera is an infectious disease that can cause signs and symptoms like severe watery diarrhea and dehydration. Ingestion of the bacterium Vibrio cholerae causes cholera.

There are many types of tuberculosis (TB). Read about TB testing, treatment, vaccination, causes, and transmission, and learn the history of TB.

Atrial fibrillation (AFib) is a common heart rhythm abnormality with symptoms like dizziness, fainting, weakness, fatigue, and shortness of breath. Types of AFib include paroxysmal and nonvalvular.

Symptoms and signs of Ramsay Hunt syndrome include rash, facial paralysis, blisters, and blisters. Learn about treatment, prognosis, recovery, and whether or not Ramsay Hunt syndrome is contagious.

Tetanus is a rare disease caused by bacteria known as Clostridium tetani. These bacteria infect humans via cuts or puncture wounds. Do you need a tetanus booster shot?

Monkeypox (mpox) is a viral disease that causes symptoms such as fever, sweating, and a rash with papules and pustules on the face and chest. Get the facts on the recent outbreak, treatment, prevention, prognosis, and diagnosis.

Read about osteoporosis treatments, medication, causes, symptoms, signs, diagnosis, prevention (diet, weight-bearing exercise), risk factors (family history), and research. Osteoporosis is a condition marked by decreased bone density and strength, resulting in fragile bones.

Heart attack and heart disease prevention can be achieved through a heart healthy diet, exercise, stress reduction, and medication. Common signs and symptoms of heart disease and heart attack include shortness of breath, chest discomfort, and sweating.

Read about heart attack treatment, including medications, procedures, and surgery. Read about heart attack symptoms, treatment options, surgery, recovery, and prevention.

Birth control options range from oral contraceptives, barrier methods, surgical sterilization (tubal ligation for a woman, or vasectomy for a man), or emergency contraception. Side effects depend upon the type of birth control. The choice of what birth control a woman or couple chooses depends upon the health of the individuals and whether they want to conceive a child or not.

Cervical cancer is caused by the human papillomavirus (HPV). In the early stages of HPV infection, there are no symptoms, but as cancer progresses the most common signs and symptoms are an increase in vaginal discharge, painful sex, and postmenopausal bleeding.

Cirrhosis of the liver symptoms includes jaundice, fatigue, weakness, loss of appetite, itching, and easy bruising. Learn about causes, treatment, 4 stages, life expectancy, and cancer.

Type 2 diabetes can be prevented naturally with a healthy lifestyle, for example, a Mediterranean diet, getting more exercise, quitting smoking, reducing stress, and in some cases, a combination of lifestyle changes and medication.

Most adenovirus infections are mild and produce no symptoms. Life-threatening adenovirus infections are rare, and those with weak immune systems have the highest risk. Adenovirus spreads via exposure to contaminated water or hard surfaces and inhalation of airborne droplets when an infected person sneezes or coughs. Read about treatment, symptoms, and vaccination.

Anthrax is a deadly bacterial disease. Get the facts on anthrax poisoning (caused by the bacteria Bacillus anthracis) transmission, types (cutaneous, inhalation, gastrointestinal), symptoms, treatment, vaccination, and prevention.

Learn about Lassa fever, a hemorrhagic fever virus. Find out about treatment, prognosis, complications, incubation period, how long it's contagious, and symptoms.

Rotavirus infection causes severe diarrhea. Learn rotavirus infection causes, symptoms (watery diarrhea, severe dehydration, fever, vomiting), diagnosis, treatment, vaccine side effects, and how long it lasts in children.

Common sexually transmitted diseases (STDs) in women include gonorrhea, chlamydia, genital herpes, and HPV infection (genital warts). Learn about types, symptoms, and treatment.

The tuberculosis skin test (also known as the tuberculin or PPD test) determines whether a person has developed an immune response to the bacterium that causes tuberculosis (TB). Learn how doctors administer the TB test, obtain a reading, and interpret the results.

Primary biliary cirrhosis (PBC) treatment includes medications (for example, UDCA, corticosteroids, immunosuppressive drugs, and drugs to treat PBC symptoms) and sometimes surgery.

Diverticulitis (diverticulosis) is a digestive condition that occurs when the diverticula in the colon become infected and inflamed. Diverticulitis symptoms include abdominal pain and cramping, diarrhea, and rectal bleeding. A diet that includes nuts, seeds, and corn may cause diverticulitis flares. To prevent flares, eating a diet rich in fruits, vegetables, beans, and whole grains may prevent flares of diverticulitis.

A muscle cramp is an involuntarily contracted muscle that won't relax. Get information on muscle cramps (charley horses), including leg cramps, causes (vitamin deficiency, drugs, lactic acid, dehydration, low calcium, potassium or magnesium), treatment, home remedies, and prevention.

Read about disease prevention in women. Screening tests are advised for osteoporosis, cervical cancer, high blood pressure, diabetes, HIV, colon cancer, skin cancer, and more.

Genital warts is a sexually transmitted infection (STI) caused by the human papillomavirus (HPV). Warts look like raised, flesh-colored lumps. Learn about symptoms, transmission, and treatment.

Leptospirosis is an infectious disease that causes symptoms such as fever, headache, and chills. Get information about vaccines, treatment, and prevention.

Powassan (POW) virus disease is transmitted by the bite of an infected tick. POW symptoms include seizures, fever, headache, vomiting, confusion, and weakness. Read about the diagnosis, treatment, and testing of the Powassan virus.

Sore throat is generally caused by viral or bacterial infections, toxins, irritants, trauma, or injury to the throat. Sore throat can be contagious. Common symptoms of a sore throat include throat pain and discomfort, fever, chills, headache, body aches, earache, cough, and runny nose.

Tularemia (rabbit fever) is an infection caused by the Francisella tularensis bacteria. Symptoms and signs include fever, headache, and rash. Read about diagnosis, treatment, and its possible use in bioterrorism.

Read about prostate cancer symptoms, survival rates, stages, treatment options, causes, prevention, screening, and diagnosis. Learn lifestyle strategies to reduce the risk of prostate cancer.

Corticosteroids like prednisone and prednisolone treat inflammatory conditions. Steroids have side effects. Signs and symptoms of withdrawal include fatigue, weight loss, nausea, vomiting, diarrhea, menstrual changes, and abdominal pain.

AIDS is the advanced stage of HIV infection. Learn the criteria that differentiate AIDS from HIV. Get information about the history of AIDS, symptoms, signs, diagnosis, statistics, treatment, prognosis, prevention, and research.

Chagas disease is an infection caused by the T. cruzi parasite. Symptoms of Chagas disease include rash, swollen lymph nodes, fever, fatigue, nausea, vomiting, and the Romaña sign. An ELISA test is used to diagnose Chagas disease. Treatment depends upon the phase of the disease and the patient's age.

HPV or human papillomavirus is a group of viruses that infect human mucous membranes and skin. HPV is highly contagious. Learn about symptoms, diagnosis, and vaccines.

Postherpetic neuralgia (PHN) is a painful complication of shingles. For the majority of patients who develop PHN, the prognosis is good. Read about medication, prevention, symptoms, and treatment for postherpetic neuralgia.

When you are pregnant, many sexually transmitted diseases (STDs) can be especially harmful to you and your baby. These STDs include herpes, HIV/AIDS, genital warts (HPV), hepatitis B, chlamydia, syphilis, gonorrhea, and trichomoniasis. Symptoms include bumps, sores, warts, swelling, itching, or redness in the genital region. Treatment of STDs while pregnant depends on how far along you are in the pregnancy and the progression of the infection.

Learn the warning signs and symptoms of suicidal behavior (writing a suicide note), and get the facts on suicide prevention, causes, treatment, assessment, risk factors, and support.

Zika fever is spread via the bite of an infected Aedes aegypti mosquito. Zika virus infections during pregnancy cause microcephaly in newborn babies. Read about Zika virus symptoms, treatment, prevention, and incubation period.

Spinal cord injury can cause a range of symptoms, including weakness, loss of muscle function, and loss of sensation. Learn more about spinal cord injury levels, treatments, rehabilitation, symptoms, causes, diagnosis, and how the injury will affect the rest of the body.

The human immunodeficiency virus (HIV) causes HIV infection and the acquired immunodeficiency syndrome (AIDS). HIV symptoms and signs include rash, fatigue, enlarged lymph glands, and recurrent vaginal yeast infections. Read about HIV testing, treatment, transmission, and prevention.

What do ingrown hairs look like? Read about ingrown hair symptoms, signs, causes, treatment, and prevention. Ingrown hairs may be caused by improper shaving, waxing, or blockage of the hair follicle.

Rabies is a viral disease that spreads through the bite of an infected animal. Symptoms include fever, headaches, and weakness. Learn about the rabies vaccine and treatment.

Typhoid fever is a life-threatening bacterial illness. Learn typhoid fever causes (Salmonella typhi in contaminated water), transmission, history, symptoms, diagnosis, treatment, prognosis, and prevention (vaccine).

Hepatitis A is an infection of the liver. Hepatitis A symptoms may include fever, nausea, vomiting, loss of appetite, yellow skin (jaundice), dark urine, and clay-colored stools. Learn how it spreads.

Motion sickness or sea sickness, car sickness, air or train sickness is a feeling of unwellness caused by movement and it's relationship to the inner ear and balance. Treatments include home remedies and OTC or prescription medications.

Turf toe is a sprain to the ligaments around the big toe joint. Read about symptoms, signs, causes, diagnosis, treatment, recovery time, and prevention.

Bacterial infections typically cause bladder infections. Read about bladder infection (cystitis) symptoms in men, women, and children (frequent urination, burning urination, foul-smelling urine), signs, treatment, and home remedies. Learn about medications that get rid of bladder infections.

The bacteria Brucella causes brucellosis, an infectious zoonotic disease in humans. Learn how to prevent brucellosis, and read about transmission, treatment, and symptoms.

Learn about cytomegalovirus (CMV), a contagious virus that spreads via bodily secretions. Signs and symptoms of CMV infection include fatigue, swollen glands, fever, and sore throat. Learn about treatment and prevention.

Read about herpes viral infections of the eye treatment, symptoms, and contagious. Learn which viruses are responsible for herpes viral infections of the eye, including herpes zoster virus (HVZ), herpes simplex virus-1 (HSV-1), herpes simplex virus-2 (HSV-2), and cytomegalovirus (CMV).

Malaria is spread by the bite of an infected Anopheles mosquito and causes symptoms such as fever, aches, and nausea. Learn about prevention, treatment, vaccine, and prognosis.

Peripheral vascular disease (PVD) symptoms and signs may include pain in the legs when walking that go away when at rest and numbness in the legs. Risk factors and causes of PVD are diseases and conditions like diabetes, high blood pressure, arthritis, and infection. Management and treatment guidelines are provided.

A healthy diet helps to prevent diseases. It can also help control celiac disease, control diabetes, control high blood pressure, prevent loss of bone mass, prevent loss of muscle strength, and prevent vitamin deficiencies. Healthy diets also help with weight loss and obesity prevention.

Rheumatoid arthritis (RA) is an autoimmune disease that causes chronic joint inflammation. Learn about causes, symptoms, stages, treatments, medications, prognosis, complications, and prevention.

Typhus is a disease caused by bacteria often transmitted by fleas, ticks, and lice. Get information about typhus causes, symptoms, history, treatment, diagnosis, prevention, and prognosis.

Read about ulcerative colitis causes and symptoms and signs, such as diarrhea, abdominal pain, rectal bleeding, rectal pain, an urgency to defecate, or painful bowel movements.

Vaginal douching is when a woman washes or flushes the vagina with water, vinegar, apple cider vinegar, baking soda, or iodine. ACOG does not recommend vaginal douching. Vaginal douching in some women can lead to an infection, and spread of infections. Vaginal douching may increase the risk of getting STDs and bacterial vaginosis. Click to learn why doctors don't recommend vaginal douching. earn why doctors do not recommend vaginal douching. Douching increases the risk for vaginal infections, ectopic pregnancy, pelvic inflammatory disease, and other conditions.

Atrial fibrillation (AFib) is an abnormal heart rhythm that causes an irregular and rapid heartbeat. Medications to treat AFib include beta-blockers, blood thinners, and heart rhythm drugs. AFib medications can cause side effects.

Get information on the killer cold virus (adenovirus 14) symptoms, spread, causes, risk factors, potential complications, treatment, and prevention.

Crohn's disease is an inflammatory bowel disease (IBD) that causes inflammation in the digestive tract. Crohn's disease symptoms and signs include abdominal pain, bloody diarrhea, and weight loss. There are a few types of Crohn's disease. Several Crohn's disease treatments exist, but there is no cure.

Read about genital warts in men (HPV virus in men) and the risks of associated cancers of the anus and penis. Symptoms and treatment information is also included.

Helicobacter pylori (H. pylori) is a bacterium that causes symptoms of bloating, belching, nausea, vomiting, abdominal pain, and fatigue. Learn if H. pylori is contagious and why half the world population has this gut infection.

Whooping cough (pertussis) is a highly contagious respiratory infection caused by Bordetella pertussis. Whooping cough symptoms include severe coughing fits and whooping sound produced during inhalation. The bacteria spreads via airborne droplets produced during sneezing or coughing. There is a whooping cough vaccine that is typically administered during childhood vaccinations.

Planning to become pregnant can involve eating healthier foods, avoiding alcohol and certain medications, getting vaccinated against certain infections to prevent birth defects, taking prenatal vitamins, and knowing how soon you can conceive after stopping birth control.

Q fever is a highly infectious disease that causes high fever, diarrhea, cough, and sweating. Learn more about transmission, symptoms, treatment, diagnosis, and vaccination.

Stomach flu or gastroenteritis infection signs and symptoms include nausea, vomiting, and diarrhea that lasts for about 7-14 days. The stomach flu is spread from person to person, usually via fecal to oral route from poor hand-washing or hygiene techniques. Norovirus is the most common cause of stomach flu.

Symptoms and signs of group A streptococcal infections include sore throat, fever, swollen lymph nodes, rash, low blood pressure, and tissue destruction. Read about treatment, contagious, diagnosis, and complications.

Non-polio enteroviruses (EV-D68 and EV71) cause a variety of infections, including aseptic meningitis, hand, foot, and mouth disease, herpangina, and the common cold. Symptoms and signs of enterovirus infection include hypoxia, eye pain, shortness of breath, chest pain, and fever. Treatment involves supportive care to reduce symptoms.

Read about cancer risk factors and causes, such as age, family history, diet, alcohol and tobacco use, and exposure to sunlight, radiation, chemicals, viruses, and bacteria.

Colon polyps are fleshy growths inside the colon lining that may become cancerous. Symptoms include rectal bleeding. Learn about causes, signs, treatment, and how to prevent colon cancer.

Cyclic vomiting syndrome (CVS) is a condition that is related to migraine headache. Symptoms of CVS include severe nausea and vomiting. Triggers of CVS include emotional stress and infections. In addition to the patient's primary-care physician or pediatrician, gastroenterologists are usually consulted.

Deep vein thrombosis (DVT) (blood clot in the leg) symptoms and signs include swelling, warmth, redness, and pain in the leg with the blood clot. Causes are pregnancy, obesity, smoking, medications, and prolonged sitting. Read about DVT treatment guidelines, medications, and surgery.

Read about idiopathic thrombocytopenic purpura (ITP) symptoms like red spots on the skin, purplish bruising, nosebleeds, bleeding gums, blood in the urine or stool, fatigue, and low platelet count. Learn about 11 symptoms, 10 causes, risks, treatment, related COVID-19, and the COVID-19 vaccine.

Leukemia is a cancer of the blood cells. Get the facts on leukemia (cancer of the bone marrow, and blood) symptoms, survival rates, diagnosis, causes, signs, 9 types (acute lymphocytic leukemia, chronic lymphocytic leukemia, acute myeloid leukemia, and chronic myeloid leukemia), research, treatment information, prognosis, and side effects.

Mastoiditis is inflammation and infection of the mast cells in the mastoid bone. The mastoid bone is located behind the ear and is part of the skull. The most common cause of acute and chronic mastoiditis is an ear infection. Mastoiditis symptoms and signs include swelling, redness, and pain behind the ear. Antibiotics cure mastoiditis. Some people may need surgery for the condition.

Overactive bladder (OAB) is also known as urge incontinence. Learn about overactive bladder symptoms, treatment, exercise for better bladder control, and medications, such as oxybutynin (Ditropan) and tolterodine (Detrol LA).

Becoming infected with chickenpox during pregnancy could cause birth defects in your unborn child. Likewise, shingles could also cause problems for your unborn child. Treatment for shingles in pregnant women is generally prescription or over-the-counter antiviral, pain, and antihistamine medication.

Anxiety disorder symptoms can be debilitating. Medication and treatment may be needed to alleviate anxiety symptoms. Learn about the types of anxiety and how to deal with anxiety.

Learn about breast cancer prevention tips. Read about diet, foods, risk factors, and statistics. Find out what you can do to reduce your risk of breast cancer.

Learn the difference between emotional eating and binge eating, plus, recognize the emotional problems, habits, and triggers that cause people to overeat, and find out how to prevent and treat compulsive eating.

Encephalitis is inflammation of the brain. Symptoms include headache and fever. There are many causes, including Eastern equine encephalitis (EEE). Read about treatment, risk factors, and diagnosis.

Erectile dysfunction (ED, impotence) is the failure to achieve or maintain an erection. Learn about ED causes, symptoms, treatment, medications, risks, and ED drug side effects. ED is curable.

Flea bites in humans are caused by fleas, parasitic insects. Itching and inflammation can be treated and cured with over-the-counter natural treatments like calamine lotion, ice packs, aloe Vera, tea tree oil, and used tea bags. Learn about symptoms, fleas attracted to, vs. bedbug bites, 11 home remedies, and pictures.

Frostbite, frostnip, chilblains, and trench foot are cold weather-related injuries. Frostbite symptoms include pain, burning, numbness, and loss of sensation in the affected body part. Frostnip is a milder cold weather injury. There are three stages to frostbite, and treatment depends upon the stage and condition of the injured person.

HIV is known as the human immunodeficiency virus. AIDS is called the acquired immunodeficiency syndrome. Causes of HIV/AIDS include unprotected sexual contact, using contaminated needles, mother-to-child transmission, contaminated blood or tissue during a transfusion or transplant, or via breast milk from an infected mother.

Lupus is an autoimmune disease that causes symptoms and signs like a butterfly rash, arthritis, hair loss, and ulcers of the nose and mouth. Read about lupus treatment, diagnosis, prognosis, causes, pregnancy flares, and diet. Also, see pictures.

total hip replacement involves removal of diseased cartilage and bone with prosthetic parts. Read about surgery complications (infection, prosthesis failure, fractured hip, limited mobility), post-op rehab, and precautions.

Get the facts on dietary fiber foods (soluble, insoluble), high-fiber foods, its health benefits (weight loss), and why it's important to get your daily intake of fiber.

Symptoms and signs of norovirus infection include vomiting, watery diarrhea, and stomach pain. Read about treatment, diagnosis, outbreak prevention, causes, contagious, transmission, prognosis, and complications. How long does it last?

Actinic keratoses are precancerous spots on the skin that appear on the lips, scalp, chest, hands, neck, and arms. Learn about actinic keratosis causes (sun exposure), signs, symptoms, treatment, and diagnosis.

Amebiasis is a disease caused by an amoeba infection. Symptoms and signs include diarrhea, abdominal pain, weight loss, and blood in the stool. Read about treatment, home remedies, and recovery time.

Boils (skin abscesses) are deep, localized skin infections that begin as reddened, sore areas. Skin abscesses are typically caused by an ingrown hair. Treatment to get rid of a boil may include home remedies like applying heat, lancing by a doctor if it becomes large, or antibiotics if it becomes infected.

How to tell a cold from the flu (influenza). Though different viruses cause the common cold and influenza, the two respiratory illnesses share many signs and symptoms. Flu symptoms tend to cause more serious, harmful problems than a cold.

Coxsackievirus infection symptoms include sore throat, rash, and blisters. Read about coxsackievirus types, causes, treatment, incubation period, diagnosis, contagious period, and risk factors.

People with diabetes need to know what OTC medications are safe to take because they often have a more difficult time curing infections like the common cold or flu.

Get information about shoulder dislocation causes, symptoms, signs, diagnosis, treatment (reduction or surgery), complications, recovery time, and rehabilitation.

Drug abuse and addiction disorder is a self-destructive pattern of using a substance that causes distress and problems. Get the facts on drug abuse and addiction symptoms, causes, treatment centers (rehab), physical and psychological effects, types of drugs, and statistics.

Symptoms and signs of dry skin include itching and red, cracked, or flaky skin. Read about causes, diagnosis, treatment, home remedies, prevention, and the best moisturizers for dry skin.

The Epstein-Barr virus causes infectious mononucleosis. EBV infection symptoms and signs include a rash, fever, sore throat, swollen lymph nodes, and tiredness. Read about treatment and diagnostic tests.

Pain in the feet may be caused by poorly fitting shoes, injuries, or diseases such as diabetes and gout. Read about causes, symptoms, diagnosis, and treatment of foot pain.

Gum disease is caused by plaque and may result in tooth loss without proper treatment. Read about symptoms, stages, treatment, and home remedies.

There are two types of age-related macular degeneration: wet and dry. Blurred vision is a common symptom. Read about macular degeneration treatment, symptoms, prevention, surgery, causes, and tests.

Necrotizing fasciitis, or flesh-eating disease, is caused by a bacterial (Vibrio vulnificus) infection. Learn symptoms, treatment, statistics, diagnosis, if the disease is contagious, and the history of the disease.

Pilonidal cysts are cysts that form near the buttocks. Get the facts on pilonidal cyst causes (hair, debris), symptoms, signs, diagnosis, treatment, home remedies, complications, prognosis, and prevention. Surgery is typically needed to drain pus and debris from the cyst.

Piriformis syndrome occurs when the piriformis muscle spasms and causes buttock pain that radiates down the back of the leg along the sciatic nerve. Read about symptoms, treatment, stretches and exercises.

Fleas that have fed on infected rodents transmit pneumonic, septicemic, and bubonic plague to humans. Plague symptoms and signs include swollen lymph nodes, fever, and chills. Get the facts on the history of plague (Black Death).

Scarlet fever, or scarlatina, is a bacterial infection that causes symptoms and signs such as fever, sore throat, and rash. Oral penicillin is the standard treatment. Read about long-term effects, prognosis, and complications.

Learn about the differences between stomach flu and food poisoning, which often have very similar symptoms but different causes and treatments.

Sunburns cause permanent skin damage. Repeated sunburns, especially if the burns are more severe, can cause skin cancer and eye disease. There are many natural treatments and home remedies, like soaking in a lukewarm bath, applying cool or lukewarm compresses, or aloe vera products to reduce pain and lessen the heat. A severe sunburn can cause sun poisoning, which may need medical treatment.

Read about cancer signs, stages, cells, symptoms, and types. Learn what cancer is and what causes it. Inform yourself about the role viruses play in contributing to cancer. Learn why cancer occurs and how cancer cells form.

Colon cancer is the third leading cause of cancer in the U.S. Learn about early signs, symptoms, 4 stages, survival rate, treatment, screening, causes, surgery, and prevention.

Read about dry socket early signs, symptoms, prevention, treatment, home remedies, and healing time. Learn about the cause and how the dentists treat it.

E. coli (E. Coli 0157:H7) is a contagious bacterium that causes symptoms like nausea, vomiting, stomach cramps, and diarrhea (that may be bloody). This bacterial infection results from eating raw or undercooked meat or unpasteurized dairy products (raw milk or cheeses).

The buildup of uric acid crystals in a joint causes gout. Symptoms and signs include joint swelling (particularly the big toe), pain, redness, and heat. Read about gout diet, food to avoid, medication, treatment, diagnosis, and remedies.

Read about mold exposure, testing, cleanup, removal, allergy symptoms, prevention, and treatment. Stachybotrys chartarum (black mold) produces mycotoxins that may cause respiratory problems.

Read about roseola (sixth disease) causes (virus), symptoms and signs (fever, rash), and treatment. Roseola infantum is a mildly contagious illness most common in childhood.

Depression, thyroid problems, osteoporosis, allergies, and certain cancers have been tied to vitamin D deficiency. Read about vitamin D deficiency treatment, causes, symptoms, signs, diagnosis, and daily limits chart.

View a comprehensive list of the human vaccines and immunizations that have been approved for U.S. residents to prevent and fight infectious diseases.

Learn about urinary tract infection (UTI) symptoms, treatment, causes, risk factors, antibiotics, prevention, diet and more. Discover the signs of a UTI and what to do if you have one.

Antibiotic resistance occurs when germs or organisms are able to withstand the intended effect of antibiotic medications. Learn about the causes, solutions, and 6 prevention tips.