We want to evaluate the effect of Allium noeanum Reut. ex Regel (Bonsor) known (traditional medicine agent) in calcium oxalate stones in kidney. 36 male rats were divided into 6 groups. I: healthy model + water, II: negative model + 1% ethylene glycol in water, III: 750 mg/kg of total extract +1% of ethylene glycol in water(Prevention), IV: 250 mg/kg flavonoid extract +1% of ethylene glycol in water (Prevention), V: 1500 mg/kg of total extract from 15th day+ 1% of ethylene glycol in water

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... ment), VI: 500 mg/kg of flavonoid extract from 15th of the study + 1% of ethylene glycol in water (Treatment).24-hour urine and blood samples were collected in 30th day for analysis. Pathology of kidneys was checked. Serum urea, uric acid, creatinine and urine calcium and oxalate were significantly increased, urine citrate was decreased in group II Vs I. (P < .05). Extract administration significantly decreased serum creatinine, urea and uric acid. Urine calcium and oxalate significantly decreased in treated groups. Urine calcium levels were significantly decreased in treated rats, but urine citrate levels were increased Vs group II. (P < .05). No crystal accumulation and tubular cast were observed in prevention groups. Hydroalcholic extract of Allium noeanum was able to reduce urine oxalate.