Amoxicillin 500mg: Uses, Dosage and Side Effects
Amoxicillin (Capsule, Penicillin antibiotic) - A penicillin antibiotic for bacterial infections. Prescription only; finish the course.
Overview
Amoxicillin is a penicillin-type antibiotic used for many bacterial infections such as chest, ear, throat and dental infections. It does not work against viruses like colds or flu. Unnecessary antibiotic use drives antimicrobial resistance, a major WHO priority.
How It Works
It stops bacteria from building their cell walls, causing them to die.
Uses (Indications)
- Chest infections and pneumonia
- Ear, nose and throat infections
- Dental infections
- H. pylori (in combination)
- Some urinary infections
Dosage: General Label Information
Contraindications: Who Should Not Take It
- Penicillin allergy
- Glandular fever (rash risk)
Side Effects
- Diarrhoea and nausea
- Rash
- Thrush
- Rarely severe allergic reaction
Interactions
- Methotrexate
- Warfarin (monitor INR)
Storage
Store below 25°C. Liquid forms often need refrigeration after mixing.
Patient Counselling Tips
- Take at evenly spaced times
- Complete the prescribed course
- Never share antibiotics
When to See a Doctor
- Swelling of face, lips or throat, or breathing difficulty - emergency
- Severe watery or bloody diarrhoea
| Generic name | Amoxicillin |
|---|---|
| Medicine class | Penicillin antibiotic |
| Form | Capsule |
| Main uses | Chest infections and pneumonia, Ear, nose and throat infections, Dental infections |
Before You Take Amoxicillin 500mg
Tell your doctor or pharmacist if you are pregnant or breastfeeding, have kidney, liver or heart problems, have had an allergic reaction to any medicine, or take other prescription medicines, herbal remedies or supplements. Bring a list of everything you take to every appointment.
Missed Doses and Finishing the Course
If you miss a dose of Amoxicillin 500mg, take it when you remember unless the next dose is nearly due, then continue as normal. Never take a double dose. Finish the course exactly as prescribed, even if you feel better, and never keep leftover antibiotics for later. This helps prevent antimicrobial resistance.
Frequently Asked Questions
Does amoxicillin treat colds?
No, colds are viral.
What if I miss a dose?
Take it when you remember unless the next dose is due soon; do not double.
Is amoxicillin a penicillin?
Yes.
This Amoxicillin 500mg guide is educational, based on official labelling and public guidance, and reviewed by the ghkh.site editorial team. Always read the leaflet in your pack and ask your pharmacist.
Sources
We summarise these sources in our own words. Mention of an organisation does not imply endorsement.