Amoxicillin + Clavulanic Acid
Also known as: Co-amoxiclav
System: AllopathyClass: Penicillin With Beta Lactamase InhibitorComposition: Amoxicillin + Potassium ClavulanatePrescription: Prescription Only (Schedule H)Essential medicine (NLEM): Yes
This combination extends amoxicillin against bacteria that resist it.
Common brands
- Augmentin
- Clavam
- Moxclav
Dosage forms
- Tablet
- Syrup
- Injection
Uses
- Sinusitis
- Pneumonia
- Skin and soft tissue infections
- Dental abscess
- Urinary infections
How it works
Clavulanic acid blocks bacterial enzymes that destroy amoxicillin.
How to take
Take at the start of a meal; complete the course.
Common side effects
- Diarrhoea
- Nausea
- Vaginal thrush
Serious side effects — get medical help
- Liver injury
- Severe allergy
- C. difficile colitis
Who should not take it
- Penicillin allergy
- Previous liver problems with this drug
Interactions
- Warfarin
- Methotrexate
Pregnancy & breastfeeding
Use when prescribed.
Alcohol & driving
Avoid alcohol.
Storage
Store below 25°C.
Used for these conditions
Prescribed by
Brands available in India
Frequently asked questions
What is Amoxicillin + Clavulanic Acid used for?
Sinusitis, Pneumonia, Skin and soft tissue infections, Dental abscess, Urinary infections
What are the side effects of Amoxicillin + Clavulanic Acid?
Diarrhoea, Nausea, Vaginal thrush
How should I take Amoxicillin + Clavulanic Acid?
Take at the start of a meal; complete the course.
Who should not take Amoxicillin + Clavulanic Acid?
Penicillin allergy, Previous liver problems with this drug
Medically reviewed by
Medical review pending
Last updated
9 October 2026
Sources
- National List of Essential Medicines (NLEM) 2022, MoHFW
- National Formulary of India, Indian Pharmacopoeia Commission
- CDSCO approved drug information
This information is for general awareness and does not replace advice from a qualified doctor. Do not start, stop or change any medicine without medical advice.