Trusted, medically reviewed health information • Not a substitute for medical advice
Medically Verified MonographRxClass: Penicillin Antibiotic

Amoxicillin

Generic Name: Amoxicillin

Common Brand Names: Amoxil
Dosage Form:Capsule
Route:Oral
Pregnancy Category:B
Last Reviewed:9/6/2026

Seek Urgent Medical Attention If:

Difficulty breathing, swelling of the lips, tongue, or throat, dizziness, sudden widespread hives (signs of life-threatening anaphylaxis).

Uses & Medical Indications

Treat bacterial infections

Medical Conditions Treated:

Otitis media, strep throat, pneumonia

Dosage & Administration Guidelines

Adult Dosage

500 mg every 8 hours or 875 mg every 12 hours

Pediatric Dosage

20-40 mg/kg/day in divided doses

Elderly / Geriatric Considerations

Adjust for renal function

Maximum Dose Limit

1750 mg/day

Renal Impairment:

Reduce dose in severe impairment

Hepatic Impairment:

N/A

Side Effects & Safety Warnings

Common Side Effects

Diarrhea, nausea

Serious Adverse Reactions

Anaphylaxis, C. diff diarrhea

Contraindications:

Penicillin allergy

Important Warnings & Precautions:

Risk of severe allergic reaction

Interactions (Drugs, Food & Alcohol)

Drug-Drug Interactions:

Probenecid, Oral contraceptives

Food & Dietary Interactions:

N/A

Alcohol Interaction Warning:

N/A

Pregnancy & Breastfeeding Safety

Pregnancy Safety

Generally considered safe

Breastfeeding / Lactation

Compatible

Patient Counseling & Practical Advice

How to Take:

Complete full course

What to Do if You Miss a Dose:

Take as soon as remembered, do not double dose

Recommended Monitoring & Lab Tests:

Resolution of infection

Frequently Asked Questions

Trustworthy Sources & Medical Review

Content for Amoxicillin was synthesized and fact-checked against standardized regulatory monographs, official pharmacopoeias, and national health authorities:

  • Infectious Diseases Society of America (IDSA)IDSA Guidelines on Community-Acquired Pneumonia
  • American Academy of Pediatrics (AAP)Clinical Practice Guideline: Acute Otitis Media
Reviewer Credentials: PharmD, Clinical PharmacologistLast Reviewed Date: 9/6/2026

The information provided on this website is for educational purposes only and is not intended as a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of a qualified healthcare provider with any questions you may have regarding a medical condition.