OTC

H2 Blocker (Antacid/Acid Reducer)

Cimetidine

Last reviewed April 2026

Who is this for?

What is this drug?

Cimetidine is a medicine that reduces the amount of acid your stomach produces, helping to heal and prevent ulcers and relieve heartburn.

What is it used for?

Stomach ulcerheartburnacid reflux (when stomach acid comes up your throat)indigestionexcess stomach acid (hyperacidity)

Available Over The Counter

Available at pharmacies without a prescription. Rules may vary by country.

Quick Interaction Check

Is Cimetidine safe to take with another drug?

Check with multiple drugs →