Proton pump inhibitor · ATC A02BC01
Omeprazole
Prilosec in the US
The international (INN) name. Pharmacists everywhere recognize it, even when the local brand differs (e.g. Prilosec, Losec, Omep).
Sold for: heartburn, indigestion and gas.
OTC only at the 14-day short-course dose; higher/longer-term doses need a prescription.
Losec itself has never held a UK OTC licence and remains prescription-only; the branded OTC product is Pyrocalm Control 20mg, sold in pharmacies and supermarkets for a maximum 14-day course.
Sold OTC (pharmacy-only) at 20mg for a maximum 14-day course, with at least a 4-month gap before repeating; 40mg and longer-term use require a prescription.
Mopral 10 mg and 20 mg capsules are prescription-only (liste II); Mopralpro 20 mg is sold without a prescription.
Prescription only. Over-the-counter PPIs are uncommon in Japan.
Losec itself is Prescription Only (POM) in Singapore; Promesec 20 mg is registered in both a Pharmacy-Only (P) pack, dispensable without a prescription, and a prescription pack.