About amoxicillin as trihydrate
Penicillin antibiotic
Used for
- Bacterial ear, nose, throat, chest, and urinary infections
- Dental infections
- Skin infections
- H. pylori treatment with other medicines
Usual adult dose
Usually 250–500 mg by mouth every 8 hours, depending on infection and severity.
Usual dose in children
Usually 20–40 mg/kg daily in divided doses every 8 hours; dose depends on infection and age.
Common side effects
- Nausea or vomiting
- Diarrhea
- Skin rash
- Thrush
Important warnings
- Not effective for viral illnesses such as colds or flu.
- Avoid with serious penicillin allergy; cross-reactions with other beta-lactam antibiotics can occur.
- Seek urgent care for severe allergic reactions or severe, persistent diarrhea.
- Complete the prescribed course unless a clinician directs otherwise.
Pregnancy
Generally considered suitable when clinically needed; available evidence has not shown increased risk of birth defects.
Breastfeeding
Generally compatible; small amounts enter milk and may cause infant diarrhea, rash, or thrush.
Interactions
- Warfarin and other anticoagulants: may alter clotting tests.
- Methotrexate: amoxicillin may increase methotrexate effects.
- Allopurinol: may increase the chance of a skin rash.
- Probenecid: can raise amoxicillin levels.
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 It may be incomplete or out of date.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.