Duodenal ulcer
Child: 20-40 mg/kg IV or PO qd in divided doses.
Adult: 800 mg PO hs for max of 8 wk. Or 400 mg PO bid or 300 mg PO qid with meals and hs. When healing occurs, stop treatment or give hs dose only. Parenteral treatment, 300 mg dil to 20 ml by IV push over 5 min q 6 h. Or 300 mg dil in 50 ml by IV infusion over 15-20 min q 6-8 h. Or 300 mg IM q 6-8 h (no dil needed). Max 2,400 mg/day.
Heartburn, acid indigestion, sour stomach
Child = 12 yr, adult: 200 mg (Tagamet HB only) PO qd-bid × 2 wk. Max 400 mg/day.
Duodenal ulcer prophylaxis
Adult: 400 mg PO hs.
Gastric ulcer
Child: 20-40 mg/kg IV or PO qd in divided doses.
Adult: 800 mg PO hs, or 300 mg qid with meals and hs for up to 8 wk. |