Nitrofurantoin unmasking peripheral neuropathy in a type 2 diabetic patient.

• It is well documented that patients with preexisting renal dysfunction are at increased risk of having nitrofurantoin-induced peripheral neuropathy develop. A diabetic patient whose condition was controlled by diet alone had peripheral neuropathy develop four days after starting nitrofurantoin therapy for the treatment of a urinary tract infection. ( Arch Intern Med 1984;144:821)