Nigella sativa and honey effect on kidney stone

INTERVENTION: Intervention 1: Conrol group: Receive 8 glasses of water for one month each day. Intervention 2: Intervention group: Receive 8 glasses of water + 8 grams of product (po) for one month each day. CONDITION: kidney stone. ; Calculus of kidney PRIMARY OUTCOME: Excreted kidney stone number. Timepoint: Start of intervention and a month later. Method of measurement: Ultrasonography and blood and urine tests. INCLUSION CRITERIA: age>18 stone size> 8 mm Asymptomatic and without hydronephrosis No need to medication SECONDARY OUTCOME: BUN. Timepoint: Start of intervention and a month later. Method of measurement: Blood test by BT‐1500 autoanalyser. Calcium in urine 24 h. Timepoint: Start of intervention and a month later. Method of measurement: urine 24h test by Pars Azmoon kit. Citrate in urine 24 h. Timepoint: Start of intervention and a month later. Method of measurement: urine 24 h test by Darmankau kit. Creatinine in urine 24h. Timepoint: Start of intervention and a month later. Method of measurement: Urine 24h test by Pars Azmoon kit. Oxalate in urine 24 h. Timepoint: Start of intervention and a month later. Method of measurement: urine 24 h test by Darmankau kit. Serum calcium. Timepoint: Start of intervention and a month later. Method of measurement: Blood test by Pars Azmoon kit. Serum creatinine. Timepoint: Start of intervention and a month later. Method of measurement: Blood test by Pars Azmoon kit. Serum phosphorus. Timepoint: Start of intervention and a month later. Method of measurement: Blood test by BT‐1500 autoanalyser. Serum uric acid. Timepoint: Start of intervention and a month later. Method of measurement: Blood test by Pars Azmoon kit. Stone size. Timepoint: Start of intervention and a month later. Method of measurement: Sonography. Uric acid in urine 24 h. Timepoint: Start of intervention and a month later. Method of measurement: urine 24h test by Pars Azmoon kit. Urine Cystine. Timepoint: Start of intervention and a month later. Method of measurement: Urinalysis with Spectrophotometer. Urine pH. Timepoint: Start of intervention and a month later. Method of measurement: Urinalysis by BT‐1500 autoanalyser. Urine protein. Timepoint: Start of intervention and a month later. Method of measurement: Urinalysis by BT‐1500 autoanalyser. Urine specific gravity. Timepoint: Start of intervention and a month later. Method of measurement: Urinalysis by BT‐1500 autoanalyser. Urine volume 24 h. Timepoint: Start of intervention and a month later. Method of measurement: Urine 24 h test by BT‐1500 autoanalyser.