How are urinary calculi formed?

Urethral stones are caused by metabolic abnormalities, urethral obstruction, overdose, etc. The following are specific:

urethral stones usually indicate different types of metabolic abnormalities in the body, common stone components include calcium, oxalic acid, uric acid, cystine, etc. Secondly, if the patient has urinary tract infection or congenital urethral dysplasia, urethral obstruction may indirectly lead to the accumulation of metabolites, thus increasing the probability of inducing urethral stones. In addition, excessive use of vitamins, glucocorticoids and sulfonamides can also lead to metabolic abnormalities and induce urethral stones.