Fatigue and Tiredness: Check Your Symptoms and Signs With the Symptom Checker by MedicineNet.com

Fatigue and Tiredness Symptoms

Symptom Checker: Symptoms & Signs Index

Medical Author: William C. Shiel Jr., MD, FACP, FACR

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Symptoms & Signs

Tiredness is not a symptom that defines any one particular disease. Rather, tiredness can be a symptom of many different diseases and conditions. Causes of tiredness range from lack of sleep and over exercise to medical and surgical treatments. The lack of energy associated with tiredness can sometimes cause difficulty with normal daily activities, leading to problems with attentiveness and concentration.

Fatigue, in medical terminology, refers to the state of reduced capacity for work or accomplishment following a period of mental or physical activity. For example, muscles fatigue if the are called upon to repetitively work for an extended period. Most of the causes of tiredness are also associated with fatigue.

Health concern on your mind? Visit the Symptom Checker.

REFERENCE:

Fauci, Anthony S., et al. Harrison's Principles of Internal Medicine. 17th ed. United States: McGraw-Hill Professional, 2008.

Main Article on Fatigue and Tiredness

Fatigue Fatigue can be described in various ways. Sometimes fatigue is described as feeling a lack of energy and motivation (both mental...learn more »
Terms related to Fatigue and Tiredness:
- Beat
- Drowsiness
- Exhaustion
- Feeling Tired
- Lack Of Energy
- Lethargy
- Sleepy
- Tiredness
- Weariness
- Wiped Out

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- Myasthenia gravis facts*
- What is myasthenia gravis?
- What causes myasthenia gravis?
- What is the role of the thymus gland in myasthenia gravis?
- What are the symptoms of myasthenia gravis?
- Who gets myasthenia gravis?
- How is myasthenia gravis diagnosed?
- How is myasthenia gravis treated?
- What are myasthenic crises?
- What is the prognosis?
- What research is being done?
- Where can I get more information?
Nausea and Vomiting Nausea is an uneasiness of the stomach that often precedes vomiting. Nausea and vomiting are not diseases, but they are symptoms...learn more »
In This Article
Nausea and Vomiting Article
- Nausea and vomiting facts
- Introduction to nausea and vomiting
- What causes nausea or vomiting?
- Acute gastritis and nausea and vomiting
- Central causes of nausea and vomiting
- Nausea and vomiting associated with illness
- Nausea and vomiting from medications and medical treatments
- Nausea and vomiting and bowel obstruction
- Nausea and vomiting in pregnancy (morning sickness)
- Vomiting in infants
- What are home remedies for nausea or vomiting?
- When should I call the doctor regarding nausea and vomiting?
- How is the source of nausea or vomiting diagnosed?
- What is the treatment for nausea and vomiting?
NDM-1 NDM-1 (New Delhi metallo-beta-lactamase) is an enzyme produced by certain strains of bacteria that have recently acquired the...learn more »
In This Article
NDM-1 Article
- What is NDM-1?
- What causes NDM-1 to be produced in bacteria?
- What are symptoms and signs of a person infected with bacteria carrying NDM-1?
- How are bacteria that produce NDM-1 identified?
- What is the treatment for an infection caused by bacteria that make NDM-1?
- What is the prognosis for a person infected with NDM-1producing bacteria?
- Can infections with bacteria containing NDM-1 be prevented?
- Where can people find more information about NDM-1 producing bacteria?
- NDM-1 At A Glance
Non-Hodgkin's Lymphoma Non-Hodgkin's lymphoma is cancer of the lymphatic system, a vital part of the body's immune system. Symptoms include swollen...learn more »
In This Article
Non-Hodgkin's Lymphoma Article
- Non-Hodgkin's lymphoma facts
- What is non-Hodgkin's lymphoma?
- What causes non-Hodgkin's lymphoma?
- What are risk factors for non-Hodgkin's lymphoma?
- What are symptoms and signs of non-Hodgkin's lymphoma?
- How is non-Hodgkin's lymphoma diagnosed?
- What are the types of non-Hodgkin's lymphoma, and how is non-Hodgkin's lymphoma staging determined?
- What is the treatment for non-Hodgkin's lymphoma?
- What is the prognosis and survival rates of non-Hodgkin's lymphoma?
- Where can people find more information about non-Hodgkin's lymphoma?
Norovirus Infection Norovirus infection causes stomach flu, or gastroenteritis. It's a very contagious illness with symptoms that include nausea and...learn more »
In This Article
Norovirus Infection Article
- Norovirus infection facts
- What is a norovirus?
- What causes a norovirus infection?
- What are norovirus infection symptoms and signs in adults, children, and babies?
- What is the incubation period for a norovirus infection? How long are people infected with norovirus contagious?
- How is a norovirus infection diagnosed?
- What is the treatment for norovirus infections in adults, children, and babies?
- What are possible complications of a norovirus infection?
- What is the prognosis of a norovirus infection?
- Can norovirus infections be prevented? Is there a vaccine?
- Where can people get more information about norovirus infections?
Psoriatic Arthritis Psoriatic arthritis is a disease that causes skin and joint inflammation. Symptoms include painful, stiff, and swollen joints,...learn more »
In This Article
Psoriatic Arthritis Article
- Psoriatic arthritis facts
- What is psoriatic arthritis?
- What causes psoriatic arthritis?
- What are psoriatic arthritis symptoms and signs?
- How does the doctor diagnose psoriatic arthritis?
- What is the treatment for psoriatic arthritis?
- Disease-modifying medications
- What is the outlook (prognosis) for patients with psoriatic arthritis?
- Can psoriatic arthritis be prevented?
- What does the future hold for patients with psoriatic arthritis?
Relapsing Polychondritis Relapsing polychondritis is an uncommon, chronic disorder of the cartilage that is characterized by recurrent episodes of...learn more »
In This Article
Relapsing Polychondritis Article
- Relapsing polychondritis facts
- What is relapsing polychondritis?
- What causes relapsing polychondritis?
- What are symptoms and signs of relapsing polychondritis?
- How is relapsing polychondritis diagnosed?
- Can relapsing polychondritis be associated with other diseases?
- What medications are used to treat relapsing polychondritis?
- What is the long-term outlook (prognosis) for patients with relapsing polychondritis?
Rheumatoid Arthritis Rheumatoid arthritis is an autoimmune disease that causes chronic inflammation of the joints, the tissue around the joints, as...learn more »
In This Article
Rheumatoid Arthritis Article
- Rheumatoid arthritis (RA) facts
- What is rheumatoid arthritis (RA)?
- What are causes and risk factors of rheumatoid arthritis?
- What are rheumatoid arthritis symptoms and signs?
- What are complications of rheumatoid disease?
- How is rheumatoid arthritis diagnosed?
- What is the treatment for rheumatoid arthritis?
- "First-line" rheumatoid arthritis medications
- "Second-line" or "slow-acting" rheumatoid arthritis drugs
- What are newer treatments for rheumatoid arthritis?
- What about rheumatoid arthritis and pregnancy?
- Rheumatoid arthritis diet and other treatments
- What is the prognosis (outlook) for patients with rheumatoid arthritis?
- Can rheumatoid arthritis be prevented?
- What research is being done on rheumatoid arthritis?
- Where can people get additional information on rheumatoid arthritis?
Rocky Mountain Spotted Fever Rocky Mountain spotted fever (RMSF) is an infectious disease that's transmitted by the bite of a tick infected with the...learn more »
In This Article
Rocky Mountain Spotted Fever Article
- Rocky Mountain spotted fever (RMSF) facts
- What is Rocky Mountain spotted fever?
- Where do most cases of RMSF occur in the U.S.?
- What is the history of Rocky Mountain spotted fever?
- What causes Rocky Mountain spotted fever?
- What are risk factors for Rocky Mountain spotted fever?
- What are symptoms and signs of Rocky Mountain spotted fever in children and adults?
- How is Rocky Mountain spotted fever diagnosed?
- What is the treatment for Rocky Mountain spotted fever in children and adults?
- What are complications of Rocky Mountain spotted fever?
- What is the prognosis of Rocky Mountain spotted fever in children and adults?
- How can people safely remove a tick?
- Can Rocky Mountain spotted fever be prevented?
- Where can people find more information on Rocky Mountain spotted fever?
Scarlet Fever Scarlet fever is an infectious disease caused by the bacteria group A Streptococcus. Symptoms and signs include a rash, sore...learn more »
In This Article
Scarlet Fever Article
- Scarlet fever facts
- What is scarlet fever?
- What is the history of scarlet fever?
- What causes scarlet fever?
- What are scarlet fever symptoms and signs?
- How long is scarlet fever contagious?
- How is scarlet fever diagnosed?
- What is the treatment for scarlet fever?
- Can scarlet fever be prevented?
- What is the prognosis for scarlet fever?
Sexually Transmitted Diseases in Men (STDs in Men) Sexually transmitted diseases, or STDs, are infections that are transmitted during any type of sexual exposure, including...learn more »
In This Article
Sexually Transmitted Diseases in Men (STDs in Men) Article
- Sexually transmitted diseases (STDs) in men facts
- What are STDs and how can their spread be prevented?
- Diseases associated with genital lesions
- Chancroid
- Genital herpes
- Lymphogranuloma venereum (LGV)
- Syphilis
- Human papillomavirus (HPV)
- Diseases associated with urethritis
- Urethritis
- Chlamydia
- Gonorrhea
- Systemic STDs
- Human immunodeficiency virus (HIV)
- Hepatitis B
- Hepatitis C
- Human herpes virus 8 (HHV-8)
- Ectoparasitic infections
Sick Building Syndrome Multiple chemical sensitivity (MCS) or also referred to as sick building syndrome or environmental illness is the name given by...learn more »
In This Article
Sick Building Syndrome Article
- What is sick building syndrome, or multiple chemical sensitivity?
- Why is sick building syndrome controversial?
- How common is sick building syndrome?
- What causes sick building syndrome?
- How is sick building syndrome diagnosed and treated?
- Sick building syndrome and working with a doctor
Sleep Apnea Sleep apnea is defined as a reduction or cessation of breathing during sleep. The three types of sleep apnea are central apnea,...learn more »
In This Article
Sleep Apnea Article
- Sleep apnea facts
- What is sleep apnea?
- What are the types of sleep apnea?
- What is central sleep apnea and what causes it?
- What is obstructive sleep apnea and what causes it?
- How common is obstructive sleep apnea?
- What are obstructive sleep apnea symptoms?
- What are some of the complications of sleep apnea?
- How is obstructive sleep apnea diagnosed and evaluated?
- What are the nonsurgical treatments for obstructive sleep apnea?
- What are the surgical treatments for obstructive sleep apnea?
- Why is it important to treat obstructive sleep apnea?
Stress Stress occurs when forces from the outside world impinge on the individual. Stress is a normal part of life. However,...learn more »
In This Article
Stress Article
- What is stress?
- A brief history of stress
- What are the signs and symptoms of poorly managed stress?
- Who is most vulnerable to stress?
- Teen stress
- What is the healthy response to stress?
- How does the response to stress work?
- What is the role of the hypothalamus-pituitary-adrenal (HPA) axis (grouping) in stress?
- What is the role of the locus coeruleus in stress?
- How do the connections in the brain work in stress?
- What do we know about using (activating) and overusing our internal systems that respond to stress?
- What are the effects of stress on medical and psychological conditions?
- Conclusions about the effects of stress
- How can we manage stress?
- What's in the future for stress?
- Stress At A Glance
Swine Flu Novel H1N1 influenza A virus infection (swine flu) is an infection that generally is transferred from an infected pig to a human,...learn more »
In This Article
Swine Flu Article
- Swine flu (H1N1 influenza virus) facts
- What is the swine flu (novel H1N1 influenza A swine flu)?
- What causes swine flu (H1N1)?
- Why is swine flu (H1N1) now infecting humans?
- What are the symptoms of swine flu (H1N1)?
- How is swine flu (H1N1) diagnosed?
- What is the treatment for swine flu (H1N1)?
- What is the history of swine flu (H1N1)?
- What are the risk factors for swine flu (H1N1)?
- Can novel H1N1 swine flu be prevented with a vaccine?
- Can H1N1 be prevented if the H1N1 flu vaccine (or other flu strain vaccine) is not readily available?
- Is swine flu (H1N1) a cause of an epidemic or pandemic in the 2009-2010 flu season?
- What is the prognosis (outlook) and complications for patients who get swine flu (H1N1)?
- Where can I find more information about swine flu (H1N1)?
Tension Headache A tension headache is a headache previously thought to be caused by contraction of the muscles in the back of the neck, on the...learn more »
In This Article
Tension Headache Article
- What is a tension headache?
- What causes tension headaches?
- What are the symptoms of tension headache?
- How are tension headaches diagnosed?
- What is the treatment for tension headache?
- Are home remedies effective for tension headache?
- Can tension headaches be prevented?
Thymoma Thymoma is an uncommon cancer of the thymus gland. Many thymomas are asymptomatic. When symptoms do occur, they include chest...learn more »
In This Article
Thymoma Article
- Thymoma facts
- What is thymoma?
- What causes thymoma, and what are risk factors for thymoma?
- What are signs and symptoms of thymoma?
- What other medical conditions are associated with thymoma?
- How is thymoma diagnosed?
- What are the stages of thymoma?
- What is the treatment for thymoma?
- What is the prognosis for thymoma?
- Can thymoma be prevented?
Tuberculosis Tuberculosis (TB) is an infectious disease caused by Mycobacterium tuberculosis bacteria. Symptoms include weakness, fever,...learn more »
In This Article
Tuberculosis Article
- Tuberculosis facts
- What is tuberculosis?
- How does a person get TB?
- What happens to the body when a person gets TB?
- How common is TB, and who gets it?
- What are the symptoms and signs of tuberculosis?
- How does a doctor diagnose tuberculosis?
- Is there a vaccine against tuberculosis?
- What is the treatment for tuberculosis?
- What is drug-resistant TB?
- What's in the future for TB?
Vasculitis Vasculitis is a general term for a group of uncommon diseases which feature inflammation of the blood vessels. Each form of...learn more »
In This Article
Vasculitis Article
- What is vasculitis?
- What causes vasculitis and what are examples of diseases with vasculitis?
- How is vasculitis diagnosed?
- How is vasculitis treated?
- Vasculitis At A Glance
- Related vasculitis article
  Vasculitis - on eMedicineHealth