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.
For the IV solution, the usual dose of ciprofloxacin is 6 mg to 10 mg per kg of body weight (about 2.7 mg to 4.5 mg per pound) every eight hours. The maximum oral dose in children is 750 mg per dose, and the maximum IV dose is 400 mg per dose. Treatment usually continues for 10 to 21 days.The usual dose of ciprofloxacin for treating anthrax exposure in children is 15 mg per kg of body weight (about 6.8 mg per pound) every 12 hours for oral ciprofloxacin and 10 mg per kg (about 4.5 mg per pound) every 12 hours for the IV solution.he maximum oral dose is 500 mg per dose, and the maximum IV dose is 400 mg per dose. The length of treatment is 60 days. Dosing of ciprofloxacin ear and eye products will be similar for adults and children.