what are the side effects of janumet 50 1000?
['stuffy or runny nose and sore throat.', 'upper respiratory infection.', 'low blood sugar (hypoglycemia) when used in combination with certain medications, such as a sulfonylurea or insulin.', 'gas, upset stomach, indigestion.', 'weakness.', 'nausea and vomiting.', 'headache.', 'diarrhea.']