Repaglinide is used alone or with other medications to control high blood sugar along with a proper diet and exercise program. It is used in people with type 2 diabetes. Controlling high blood sugar helps prevent kidney damage, blindness, nerve problems, loss of limbs, and sexual function problems.

Some common side effects of repaglinide are runny or stuffy nose, sneezing, cough, cold or flu symptoms; diarrhea, nausea; back pain, headache; dizziness; blurred vision; joint pain; or temporary hair loss.