I want to know is there any side effect of a drug?what is real duration of a drug? My wife effected left. Side PL effusion ( Tuberculosis ) on dt 22/04/2010 then I admit in hospital & doctors take following steps:- Pleural tapping Lt. sided done under full A/S medsures on 23/04/2010 & 26/04/2010 for diagnosis & theurapetic. Mycurit-4 tab 2 month , (empty Stomach) Syp Aloliv 1 month t. Compicare 1 month T. Perdon –DSR 1 month Syp. Iron XT 1 month T. Wysolone 40 mg 1*1 10day T. Wysolone 30 mg 1*1 10day T. Wysolone 20 mg 1*1 10day T. Wysolone 10 mg 1*1 10day T. Wysolone 5 mg 1*1 10day After two month (22/06/2010) R-Cinex (600/300) till date (empty Stomach) tab. Perfit till date Doctor prescribed my wife R-cinex last seven month daily at morning (empty Stomach). I want to know is there any side effect of a drug?what is real duration of a drug?