What side effects can this medication cause?

You should know the symptoms of low and high blood sugar and what to do if you have them.

You may experience hypoglycemia (low blood sugar) while you are taking this medication. Your doctor will tell you what you should do if you develop hypoglycemia. He or she may tell you to check your blood sugar, eat or drink a food or beverage that contains sugar, such as hard candy or fruit juice, or get medical care. Follow these directions carefully if you have any of the following symptoms of hypoglycemia:

• shakiness
• dizziness or lightheadedness
• sweating
• nervousness or irritability
• sudden changes in behavior or mood
• headache
• numbness or tingling around the mouth
• weakness
• pale skin
• hunger
• clumsy or jerky movements

If hypoglycemia is not treated, severe symptoms may develop. Be sure that your family, friends, and other people who spend time with you know that if you have any of the following symptoms, they should get medical treatment for you immediately.

• confusion
• seizures
• loss of consciousness

Call your doctor immediately if you have any of the following symptoms of hyperglycemia (high blood sugar):

• extreme thirst
• frequent urination
• extreme hunger
• weakness
• blurred vision

If high blood sugar is not treated, a serious, life-threatening condition called diabetic ketoacidosis could develop. Call your doctor immediately if you have any of the these symptoms:

• dry mouth
• upset stomach and vomiting
• shortness of breath
• breath that smells fruity
• decreased consciousness

Acetohexamide may cause side effects. If you experience any of the following symptoms, call your doctor immediately:

• skin rash
• itching or redness
• exaggerated sunburn
• yellowing of the skin or eyes
• light-colored stools
• dark urine
• unusual bleeding or bruising
• fever
• sore throat

If you experience a serious side effect, you or your doctor may send a report to the Food and Drug Administration's (FDA) MedWatch Adverse Event Reporting program online at http://www.fda.gov/MedWatch/report.htm or by phone 1-800-332-1088.