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.