Co-amoxiclav Drug Interactions
Co-amoxiclav can interact with prescription medications, over-the-counter products, supplements, and certain foods. Most interactions are manageable when your pharmacist knows your full medication list.
Common interaction categories to flag with your pharmacist
Other prescription medications
Bring a current list of every prescription you take when filling Co-amoxiclav. Common interactions involve blood thinners, antibiotics, antidepressants, and pain medications.
Over-the-counter products
OTC products like NSAIDs, antacids, cold/flu remedies, and sleep aids can interact with Co-amoxiclav. Confirm with your pharmacist before combining.
Supplements and herbal products
Common offenders include St John's wort, garlic, ginkgo, high-dose vitamins, and mineral supplements. Disclose all supplements when filling Co-amoxiclav.
Foods and beverages
Grapefruit, leafy greens (vitamin K), tyramine-rich foods, and others can interact with specific medications. Ask whether any apply to Co-amoxiclav.
Alcohol
Alcohol interacts with many medications, sometimes seriously. See our dedicated Co-amoxiclav and alcohol guide.
Caffeine and stimulants
Caffeine, energy drinks, and other stimulants can interact with some Co-amoxiclav use cases. Check with your pharmacist if you consume regularly.
How to check $Co-amoxiclav interactions safely
- Give your pharmacist a complete list of everything you take — prescription, OTC, supplements, herbal.
- Update your pharmacy profile whenever you start or stop a medication.
- Use a single pharmacy when possible — the pharmacist's system flags interactions automatically.
- Read the patient information leaflet that comes with Co-amoxiclav.
- Call your pharmacist before starting any new product — they're trained interaction specialists.
Symptoms that suggest an interaction
Unusual drowsiness, rapid heart rate, blood pressure changes, severe GI symptoms, unusual bleeding, or any reaction that feels new — call your pharmacist or prescriber immediately.
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Co-amoxiclav interactions: FAQs
What medications interact with Co-amoxiclav?
Co-amoxiclav can interact with many prescription medications, OTC products, supplements, and herbal remedies. Before starting Co-amoxiclav, give your pharmacist a complete list of everything you take — they'll flag any clinically significant interactions.
Can I take Co-amoxiclav with over-the-counter medications?
Some OTC medications interact with Co-amoxiclav and others don't. Common ones to ask about: NSAIDs, antacids, cold/flu products, and any sleep aids. Confirm with your pharmacist before combining.
Are there supplements I should avoid while taking Co-amoxiclav?
Supplements and herbal products can interact with Co-amoxiclav — common examples include St John's wort, grapefruit-related products, and high-dose vitamins. Always disclose supplements to your pharmacist.
What should I do if I've started a new medication and I'm on Co-amoxiclav?
Whenever you start any new prescription, OTC, or supplement, mention Co-amoxiclav to the prescriber or pharmacist. Most interactions are manageable with timing changes or dose adjustments.
Where do I find the lowest cash price for Co-amoxiclav?
Compare cash prices across local pharmacies before filling. ScriptUnlock surfaces the lowest available for Co-amoxiclav among participating pharmacies.