Iced tea leads to renal failure

Doctors suspect an excessive amount of oxalates may have led to the nephropathy.

The 56-year-old patient, who presented to hospital with a serum creatinine level of 400μmol/L along with weakness, fatigue and body aches, was found to have “abundant” urinary calcium oxalate crystal sediment despite having no proteinuria, personal or family history of kidney stones or kidney disease, and no malabsorptive symptoms or history of gastric surgery.

What’s more, while ultrasound showed the patient had normal kidney size, a renal biopsy also revealed oxalate crystals, interstitial