DRAP · MHRA · FDA · EMA All in one
Your friendly guide to every medicine.
Search 244,948 medicines, find cheaper brands with the same ingredient, and catch risky combinations before they reach the patient.
What you can do
Three superpowers for safer prescriptions
Check interactions
Add brands or ingredients. Curated clinical rules, DDInter pairs and FDA label text in one result.
Open checker → 02Find alternatives
Every registered brand with the same ingredient, grouped by form and country, with spelling variants merged.
Find alternatives → 03Browse ingredients
An A–Z directory of active ingredients and combinations, with how many products contain each.
Browse A–Z →Try it live
One tap, three sources.
Pick a combination and watch the checker work: severity, what happens and what to do.
Trusted data
Where the data comes from
ℹ️ For information only. Not a substitute for a pharmacist's or doctor's advice. “No interaction found” does not prove a combination is safe.
Got a prescription in hand?
Add every medicine on it and see the risky pairs on one colourful map.
Medicines
Search 244,948 medicines.
Interaction checker
Add two or more medicines, by brand name or ingredient. Up to 12.
Same-ingredient alternatives
Brands that contain the same active ingredient(s). Strength, release type and excipients can still differ, so confirm any switch with a pharmacist.