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.
On the days that you take Chemet (DMSA), finish taking any minerals by 3PM. Repeat blood work and provocation test every two months. Steps of oral chelation. DMSA (Chemet) is the main chelating agent that you will use. Take it 3x/week at least 2 hours after dinner (Monday, Wednesday and Friday nights before bedtime). The usual dose is 10mg/kg/dose or 30mg/kg/day (1lb=0.45kg; 1kg=2.2lbs). To minimize side effects, start with 100mg at night and gradually increase to a full dose over a 2-3 week time frame. The most common side effects are gastrointestinal: nausea, diarrhea, loss of appetite, loose stools and/or metallic taste in mouth.