Noun: histamine blocker
- A medicine used to treat the gastric effects of histamine in cases of peptic ulcers and gastritis and gastroesophageal reflux; works by blocking the effects of histamine on the receptor site known as H₂
"The doctor prescribed a histamine blocker to reduce stomach acid"
Derived forms: histamine blockers
Type of: med [informal], medicament, medication, medicinal drug, medicine