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Amoxicillin / Clavulanate

Antibiotic

Brand names:

Augmentin®

Other names:

Amoxicillin and Clavulanic Acid

Often used for:

Infections

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What is amoxicillin / clavulanate?

Amoxicillin / Clavulanate (Augmentin®) is an antibiotic. It works to kill bacteria that cause infections. This medicine is in the penicillin family of antibiotics.

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May be taken as a chewable tablet by mouth

 
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May be taken as a tablet by mouth

 
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May be taken as a liquid by mouth

 
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Possible side effects

Symptoms of an allergic reaction include: rash, hives, itching, chills, fever, headache, muscle ache, shortness of breath, coughing, tightness in the throat, swelling of the face or neck

Not all patients who take amoxicillin / clavulanate will experience these side effects. Common side effects are in bold, but there may be others. Please report all suspected side effects to your doctor or pharmacist.

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Tips for families

Be sure to discuss these and other recommendations with your doctor or pharmacist.

  • Let a doctor know if the patient has severe diarrhea while on this medicine.
  • This medicine may affect some lab tests, especially in patients with high blood sugar (diabetes). Talk to a doctor or pharmacist about how to use and read urine glucose test strips.
  • This medicine may affect the way other medicines work. Talk to a doctor or pharmacist about all medicines, especially if the patient is taking methotrexate or probenecid.
  • Patients should tell their doctor if they are pregnant or breastfeeding.
  • This medicine may make birth control pills and other hormone-based birth control methods less effective. Sexually active patients should use another form of birth control, like condoms, to prevent pregnancy while taking this medicine. 
  • Finish all doses of the medicine as instructed by a doctor or pharmacist.

Amoxicillin / Clavulanate at home:

  • Take the medicine at the same time each day.
  • Extended-release tablets: Swallow whole. Do not crush or chew before swallowing. Take extended-release tablets with food.
  • Other forms can be taken with or without food. Take with food if stomach upset occurs.
  • Liquid medicine: Shake well, and use the measuring device that comes with the medicine. The liquid medicine may be mixed with milk, formula, or juice. Take immediately.
  • Chewable tablets: Chew or crush before swallowing.
  • Give a missed dose as soon as possible. If it is near the time for the next dose, skip the dose. Do not give 2 doses at the same time.
  • Store tablets at room temperature.
  • Store liquid medicine in the refrigerator. Throw away remaining medicine after 10 days.
  • Do not use the medicine past the expiration date.
  • Follow instructions for safe storage and disposal.

Learn more about amoxicillin / clavulanate

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Always check the medication label. Many medicines look the same. Do not take any new medicine, including over-the counter medicines or supplements, without checking with your doctor or pharmacist. Talk to your doctor or pharmacist about what to do in the case of a missed dose, allergic reaction, or medical emergency. 

This information is not intended to be a complete guide and is not a substitute for talking with your provider. Medicine names, appearance, formulas, or availability may vary by clinic location. Always follow the instructions given by your care team.