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Cefadroxil Side Effects Center
Medical Editor: John P. Cunha, DO, FACOEP
Cefadroxil (cefadroxil hemihydrate) is a cephalosporin antibiotic used to treat infections of the urinary tract, skin and soft-tissue, throat, and tonsils caused by bacteria that are susceptible to its effects. It also is used for prevention of infection of the inner layer of the heart (endocarditis) due to surgical procedures. This medication is available in generic form. Common side effects include diarrhea, nausea, abdominal pain, vomiting, and rash.
The recommended adult dose of Cefadroxil depends on the infection being treated, and varies from 1 to 2 grams, taken once daily or in two divided doses. Pediatric dose is based on the child's weight. Cefadroxil may interact with some vaccines, reducing their effectiveness. Tell your doctor all medications and supplements you use and all vaccines you recently received. During pregnancy, Cefadroxil should be used only if prescribed. Cefadroxil passes into breast milk. Consult your doctor before breastfeeding.
Our Cefadroxil (cefadroxil hemihydrate) Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
What is Patient Information Overview?
A concise overview of the drug for the patient or caregiver from First DataBank.
Cefadroxil Overview - Patient Information: Side Effects
Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.
Tell your doctor immediately if any of these highly unlikely but very serious side effects occur: stomach/abdominal pain, persistent nausea/vomiting, yellowing eyes or skin, dark urine, new signs of infection (e.g., persistent sore throat or fever), easy bruising/bleeding, change in the amount of urine, mental/mood changes (such as confusion).
This medication may rarely cause a severe intestinal condition (Clostridium difficile-associated diarrhea) due to a type of resistant bacteria. This condition may occur during treatment or weeks to months after treatment has stopped. Do not use anti-diarrhea products or narcotic pain medications if you have any of the following symptoms because these products may make them worse. Tell your doctor immediately if you develop: persistent diarrhea, abdominal or stomach pain/cramping, blood/mucus in your stool.
Use of this medication for prolonged or repeated periods may result in oral thrush or a new vaginal yeast infection (oral or vaginal fungal infection). Contact your doctor if you notice white patches in your mouth, a change in vaginal discharge or other new symptoms.
A serious allergic reaction to this drug is unlikely, but seek immediate medical attention if it occurs. Symptoms of a serious allergic reaction include: rash, itching/swelling (especially of the face/tongue/throat), dizziness, trouble breathing.
This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.
In the US -
Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.
Read the entire patient information overview for Cefadroxil (Cefadroxil Hemihydrate)»
What is Prescribing information?
The FDA package insert formatted in easy-to-find categories for health professionals and clinicians.
Cefadroxil FDA Prescribing Information: Side Effects
Other reactions have included hepatic dysfunction including cholestasis and elevations in serum transaminase, genital pruritus, genital moniliasis, vaginitis, moderate transient neutropenia, fever. Agranulocytosis, thrombocytopenia,idiosyncratic hepatic failure, erythema multiforme, Stevens-Johnson syndrome, serum sickness, and arthralgia have been rarely reported.
In addition to the adverse reactions listed above which have been observed in patients treated with cefadroxil (cefadroxil (cefadroxil hemihydrate) hemihydrate) , the following adverse reactions and altered laboratory tests have been reported for cephalosporin-class antibiotics:
Toxic epidermal necrolysis, abdominal pain, superinfection, renal dysfunction, toxic nephropathy, hepatic dysfunction including cholestasis, aplastic anemia, hemolytic anemia, hemorrhage, prolonged prothrombin time, positive Coombs’ test, increased BUN, increased creatinine, elevated alkaline phosphatase, elevated aspartate aminotransferase (AST), elevated alanine aminotransferase (ALT), elevated bilirubin, elevated LDH, eosinophilia, pancytopenia, neutropenia.
Several cephalosporins have been implicated in triggering seizures, particularly in patients with renal impairment, when the dosage was not reduced (see DOSAGE AND ADMINISTRATION and OVERDOSAGE). If seizures associated with drug therapy occur, the drug should be discontinued. Anticonvulsant therapy can be given if clinically indicated.
Read the entire FDA prescribing information for Cefadroxil (Cefadroxil Hemihydrate) »
Additional Cefadroxil Information
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Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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