10.22376/ijpbs.2019.10.1.p1-12 Volume 4 Issue 3 2013 (July - September) lessThan i greaterThan Hibiscus rosa-sinensis lessThan /i greaterThan . Linn grown widely in tropical countries, recently known to have anti-hypertensive effect in the albino rats. This report has shown new dimension to one clinical use & paucity of data available in this regard, the present work is undertaken to study this effect scientifically. lessThan b greaterThan lessThan /b greaterThan Albino rats (100-200gms) deprived of food for 15hrs divided into seven groups of six in each and put in metabolic cages after hydration by normal saline for 24hrs. Aqueous extract of Hibiscus rosa-sinensis was administered in100,200,400 & 600 mg/kg doses per oral. Urinary volume, total Na lessThan sup greaterThan + lessThan /sup greaterThan , K lessThan sup greaterThan + lessThan /sup greaterThan , Cl lessThan sup greaterThan - lessThan /sup greaterThan conc. was estimated at 5 lessThan sup greaterThan th lessThan /sup greaterThan & 24 lessThan sup greaterThan th lessThan /sup greaterThan hr and compared with control group. Furosemide 25mg/kg PO was taken as the standard. lessThan b greaterThan lessThan /b greaterThan Aqueous extract of lessThan i greaterThan Hibiscus rosa-sinensis lessThan /i greaterThan lessThan b greaterThan ( lessThan /b greaterThan AEHR ) was found to increase the urinary volume of the 5 lessThan sup greaterThan th lessThan /sup greaterThan hr and 24 lessThan sup greaterThan th lessThan /sup greaterThan hr sample. Na lessThan sup greaterThan + lessThan /sup greaterThan & Cl lessThan sup greaterThan - lessThan /sup greaterThan excretion also significantly increased in 200&400 mg/kg doses. AEHR was found to possesses diuretic activity. MONALISA JENA, SWATI MISHRA AND SUDHANSHU SEKHAR MISHRA Hibiscus rosa-sinensis, Diuretic effect, Metabolic cages, Albino rats 304-309