Precautions

Drug information provided by: Merative, Micromedex®

If your or your child's symptoms do not improve within a few days, or if they become worse, check with your doctor.

This medicine may cause a serious allergic reaction called anaphylaxis, which can be life-threatening and require immediate medical attention. Call your doctor right away if you or your child have itching, hives, hoarseness, trouble breathing, trouble swallowing, or any swelling of your hands, face, or mouth after taking this medicine.

Serious skin reactions, including Stevens-Johnson syndrome, toxic epidermal necrolysis, acute generalized exanthematous pustulosis (AGEP), or drug reaction with eosinophilia and systemic symptoms (DRESS) can occur with this medicine. Check with your doctor right away if you or your child have black, tarry stools, blistering, peeling, or loosening of the skin, chest pain, chills, cough, diarrhea, fever, itching, joint or muscle pain, painful or difficult urination, red irritated eyes, red skin lesions, sore throat, sores, ulcers, or white spots in the mouth or on the lips, swollen glands, unusual bleeding or bruising, or unusual tiredness or weakness while you are receiving this medicine.

This medicine may cause stomach or bowel problems, including drug-induced enterocolitis syndrome (DIES). It may occur 1 to 4 hours after taking this medicine. Check with your doctor right away if you have blurred vision, cold clammy skin, confusion, dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position, fever, pale skin, stomach pain, cramps, or tenderness, sweating, unusual drowsiness, dullness, tiredness, weakness or feeling of sluggish, unusual tiredness or weakness, or watery or bloody diarrhea.

Amoxicillin may cause diarrhea, and in some cases it can be severe. It may occur 2 months or more after you stop taking this medicine. Do not take any medicine or give medicine to your child to treat diarrhea without first checking with your doctor. Diarrhea medicines may make the diarrhea worse or make it last longer. If you have any questions about this, or if the diarrhea gets worse, check with your doctor.

Before you have any medical tests, tell the provider that you or your child are taking this medicine. The results of some tests may be affected by this medicine.

In some young patients, tooth discoloration may occur while using this medicine. The teeth may appear to have brown, yellow, or gray stains. To help prevent this, brush and floss your teeth regularly. Visit your dentist for regular teeth cleanings.

Birth control pills may not work while you are using this medicine. To keep from getting pregnant, use another form of birth control along with your birth control pills. Other forms include a condom, a diaphragm, or a contraceptive foam or jelly.

Do not take other medicines unless they have been discussed with your doctor. This includes prescription or nonprescription (over-the-counter [OTC]) medicines and herbal or vitamin supplements.

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Portions of this document last updated: June 01, 2024

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