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.
Uncomplicated pyelonephritis (kidney infection) in adults: the recommended ciprofloxacin dosage is 500-750 mg twice daily for 7-14 days. Benefits. 1  Convenient twice daily dosing regimen. 2  Rapid bactericidal activity. 3  Broad spectrum of antimicrobial activity. 4  Does not cause a significant QT interval prolongation 14.iprofloxacin is a a fluoroquinolone antibiotic active against a broad range of bacteria. It is marketed by Bayer under the brand name CiproÂ®. Ciprofloxacin indicated uses include: 1  Urinary tract infections: urethritis, cystitis, pyelonephritis. 2  Acute uncomplicated cystitis in women. 3  Chronic bacterial prostatitis.