Prescription
Potassium-competitive acid blocker (stomach acid reducer)
Vonoprazan Fumarate
Last reviewed April 2026
Who is this for?
What is this drug?
Vonoprazan fumarate is a stomach acid-reducing drug that works by blocking the acid pump in your stomach more quickly and effectively than older acid-reducing medicines, helping to heal ulcers and reduce heartburn.
What is it used for?
Stomach ulcerheartburn (acid reflux)gastroesophageal reflux disease (GERD)ulcer caused by H. pylori bacteria infectiondamage to the stomach lining from painkillers like ibuprofen or diclofenac
Prescription Required
A doctor's prescription is required to obtain this drug legally.