Flu o rosis was induced by the oral administration of Sodium Fluoride (10mg/kg) for 30 days. On 30th day the Flurosis was confirmed by studying the level of fluorine in serum and urine. Treatment was started from 30th day to 60th day by ingesting Hibiscus Sabdariffa calyxethanolic extract 200 mg/kg and 400mg/kg. The treatment was continued for 30 days on the 60th day serum calcium, alkaline Phosphopate, Urine calcium, magnesium, Phosphorus, Fluorine, SGOT, SGPT of serum, WBC Count, hemoglobin and PCV of Plasma were estimated. It was found that serum calcium, WBC, Hemoglobin, PCV were decreased in positive control rat. Decrease levels inclined in treatment group dose dependently. The level of serum ALP, Urinary calcium, Phosphates , magnesium , Phosphorus, Fluorine, SGOT, SGPT were increased in positive control group and enhanced parameters were declined in treatment group dose dependently. On 60th day rats of all groups were sacrificed and histopathological parameters of kidney and liver were studied where we found the improvement in epithelium which was damaged by sodium fluoride. Less damage was seen in the treatment group. Histopathological studies of bone confirmed the increase of young cells in treatment group. Thus by assessing all the parameters we concluded that Hibiscus Sabdariffa calyxethanolic extract can be used to treat fluorosis dose dependently.