dosage for cimetidine for gastritis
Children â¥ 40 kg may receive adult doses. Below that weight, the oral dosage is ranitidine 2 mg/kg q 12 h and cimetidine 10 mg/kg q 12 h. For GERD, H 2 blockers are now mostly used for pain management. Gastritis heals with famotidine or ranitidine given bid for 8 to 12 wk.uration of action is proportional to dose and ranges from 6 to 20 h. Doses should often be reduced in elderly patients. For duodenal ulcers, once daily oral administration of cimetidine 800 mg, ranitidine 300 mg, famotidine 40 mg, or nizatidine 300 mg given at bedtime or after dinner for 6 to 8 wk is effective.
Dose of Tagamet for Gastric Ulcers. The recommended Tagamet dose for gastric ulcers (stomach ulcers) is either Tagamet 800 mg at bedtime or Tagamet 300 mg four times daily (with meals and at bedtime).owever, your healthcare provider may recommend a lower dose (Tagamet 400 mg at bedtime) or a higher dose (Tagamet 1600 mg at bedtime). Other optional dosages are Tagamet 300 mg four times daily (with meals and at bedtime) or Tagamet 400 mg twice daily.