About amoxicillin
Penicillin antibiotic
Used for
- Bacterial ear, nose, and throat infections
- Chest and lung infections
- Urinary tract infections
- Dental infections
Usual adult dose
Commonly 250–500 mg every 8 hours, depending on infection.
Usual dose in children
Usually 20–90 mg/kg daily in divided doses, depending on infection and age.
Common side effects
- Nausea or vomiting
- Diarrhea
- Skin rash
- Allergic reactions
Important warnings
- Does not treat viral infections such as colds or flu.
- Serious allergy can occur, especially with previous penicillin allergy.
- Antibiotic-associated severe diarrhea may occur during or after treatment.
- Dose adjustments may be needed with kidney problems.
Pregnancy
Generally considered suitable when clinically needed; available evidence has not shown increased risk of birth defects.
Breastfeeding
Usually compatible; small amounts enter milk and may rarely cause infant diarrhea or rash.
Interactions
- Warfarin and other anticoagulants: may alter clotting tests.
- Methotrexate: may increase methotrexate effects or toxicity.
- Probenecid: may increase amoxicillin levels.
- Allopurinol: may increase the chance of skin rash.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.