Cystic calculi are commonly seen in lizards (green iguanas have an unusually high incidence) fed unbalanced diets (deficiencies in vitamins A and D and calcium; excess of dietary protein or oxalates) but dehydration and cystitis may be involved. A commonly associated disease is renal failure. | Cystic calculi are commonly seen in lizards (green iguanas have an unusually high incidence) fed unbalanced diets (deficiencies in vitamins A and D and calcium; excess of dietary protein or oxalates) but dehydration and cystitis may be involved. A commonly associated disease is renal failure. |