title: Urinary excretion of amantadine by the elderly.
abstract: The urinary excretion of single or multiple oral doses of amantadine hydrochloride by three elderly patients has been studied by gas chromatography. Steady state amounts in urine were about 230-240 mg per day. The half life of urinary excretion was approximately 34.17 hours. Urine collection from aged subjects is difficult.
mesh_terms: D000368:Aged; D000547:Amantadine / Q000008:administration & dosage / Q000652:urine*; D002849:Chromatography, Gas; D004334:Drug Administration Schedule; D006207:Half-Life; D006801:Humans; D007700:Kinetics; D008297:Male
chemical_list: D000547:Amantadine