I keep having kidney stones what is the cause and what can i do to have less thanks?

Analysis of stone: Important to know so dietary changes can be looked at. Are you hydrating enough?

Diet and fluid: Calcium oxalate is most common in adults; reasons: dehydration; excess calcium in urine; excess oxalate in urine; low citrate in urine. Diet: avoid spinach, rhubarb, strawberries, nuts, chocolate, tea, wheat bran, and all dry beans; drink OJ 8 oz 2x daily; add ReaLemon extract: 5 tblspns / day; increase fluid 4 liters/day; only 4 oz meat/day; low salt; 4-5 fruits/day; HCTZ (hydrochlorothiazide) 25 mg / day from doc.