Side Effects

Get emergency medical help if you have any of these symptoms of lactic acidosis: weakness, increasing sleepiness, slow heart rate, cold feeling, muscle pain, shortness of breath, stomach pain, feeling light-headed, and fainting. Stop using Glucovance and get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have any of these serious side effects:

• feeling short of breath, even with mild exertion; or

• swelling or rapid weight gain.

Other less serious side effects may be more likely to occur, such as:

• sneezing, runny nose, cough or other signs of a cold;

• headache;

• dizziness; or

• mild nausea, vomiting, diarrhea, stomach pain.

Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome.