A male aged 45 years diabeitic with Hb1 Ac -5.9, on medication Glemepride 2 mg and Metformin 1000 mg, Losartan 25 mg and Thyroxin 25 mg. Complaining of itching on lower limb, prominently on legs and ankle, no other symptoms, sugar is very much under control.
Is it side effect of Metformin?