Gastrointestinal Pharmacology Section 1- Histamine-2 (H2) Blockers Next TOPICS: H2 blockers, cimetidine, ranitidine, famotidine, nizatidine, parietal cells, camp, peptic ulcers, gastritis, gerd, antiandrogenic effects, cytochrome p450, confusion, dizziness, headaches, creatinine, adverse effects Go Back Upgrade Now For Full AccessJoin Now