If a joint return has been filed for a tax year, the spouses may file separate returns before the due date of the original return, determined without regard to any extensions. Husband and wife file a joint return on 3/15/13; they may change to married filing separate no later than 4/15/13.
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.
The typical dose of Tagamet for treating gastric ulcers is either 800 mg at bedtime or 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.