Advertisement
Cleveland Clinic is a non-profit academic medical center. Advertising on our site helps support our mission. We do not endorse non-Cleveland Clinic products or services. Policy
ACARBOSE (AY car bose) treats type 2 diabetes. It works by slowing down the breakdown of carbohydrates from the food you eat. This helps reduce your blood sugar (glucose). Changes to diet and exercise are often combined with this medication.
Advertisement
Cleveland Clinic is a non-profit academic medical center. Advertising on our site helps support our mission. We do not endorse non-Cleveland Clinic products or services. Policy
This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.
COMMON BRAND NAME(S): Precose
They need to know if you have any of these conditions:
Take this medication by mouth with a glass of water. Take it as directed on the prescription label. Take it at the start of a main meal. Keep taking it unless your care team tells you to stop.
If you develop severe vomiting or severe diarrhea that prevents you from eating meals, call your care team for advice.
Talk to your care team about the use of this medication in children. Special care may be needed.
Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.
NOTE: This medicine is only for you. Do not share this medicine with others.
If you forgot your dose at the start of your meal and you are still eating that meal, take your dose while you are still eating. Otherwise, skip the missed dose. This medication is not effective if not taken during a meal. Wait for your next dose at your next main meal, and take only that dose. Do not take double or extra doses.
Advertisement
Some medications may affect your blood sugar levels or hide the symptoms of low blood sugar (hypoglycemia). Talk with your care team about all of the medications you take. They may suggest changes to your insulin dose or checking your blood sugar levels more often.
Medications that may affect your blood sugar levels include:
Medications that may mask symptoms of low blood sugar include:
This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.
Visit your care team for regular checks on your progress.
You may need blood work done while you are taking this medication. Your care team will monitor your HbA1C (A1C). This test shows what your average blood sugar (glucose) level was over the past 2 to 3 months.
Know the symptoms of low blood sugar and know how to treat it. Always carry a source of quick sugar with you. Examples include hard sugar candy or glucose tablets. Make sure others know that you can choke if you eat or drink if your blood sugar is too low and you are unable to care for yourself. Get medical help at once.
Tell your care team if you have high blood sugar. Your medication dose may change if your body is under stress. Some types of stress that may affect your blood sugar include fever, infection, and surgery.
It is important to follow the prescribed diet while taking this medication. This may help reduce side effects such as diarrhea, bloating, and gas. If you are following the diet and you still have severe symptoms, contact your care team.
Wear a medical ID bracelet or chain. Carry a card that describes your condition. List the medications and doses you take on the card.
Side effects that you should report to your care team as soon as possible:
Advertisement
Side effects that usually do not require medical attention (report to your care team if they continue or are bothersome):
This list may not describe all possible side effects. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
Keep out of the reach of children and pets.
Store at room temperature below 25 degrees C (77 degrees F). Protect from moisture. Keep container tightly closed. Get rid of any unused medication after the expiration date.
To get rid of medications that are no longer needed or have expired:
Advertisement
NOTE: This sheet is a summary. It may not cover all possible information. If you have questions about this medicine, talk to your doctor, pharmacist, or health care provider.
Advertisement
Copyright ©2025 Elsevier Inc. All Rights Reserved.
Note: Introduction and Additional Common Questions written and medically approved by Cleveland Clinic professionals.