[Nephrotic syndrome and anasarca status, secondary to treatment with tiopronin in a case of cystinuria].

OBJECTIVE

To describe a case of cystinuria treated with tiopronin that produced the nephrotic syndrome.

RESULTS

A case of nephrotic syndrome with ascites and heart failure in a patient who had received tiopronin for the treatment of cystinuria is presented. Cystinuria as a rare cause of kidney stones is analyzed. The clinical features, diagnosis and the side effects of treatment with tiopronin are discussed. The patient recovered after withdrawal of the drug.

CONCLUSIONS

It must be emphasized that patients treated with tiopronin should be screened for proteinuria.