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|Miglitol

MIGLITOL (Systemic)†

Some commonly used brand names are:

In the U.S.—

• Glyset

† Not commercially available in Canada.

Category

• Antidiabetic agent

Description

Miglitol (MIG-le-tall)is used to treat high blood sugar levels that are caused by type 2 diabetes mellitus. Normally, after you eat, your pancreas releases insulin to help your body store excess sugar for later use. This process occurs during normal digestion of food. In type 2 diabetes, your body does not work properly to store the excess sugar and the sugar remains in your bloodstream. Having high blood sugar can lead to serious health problems in the future. Proper diet is the first step in managing type 2 diabetes but often medicines are needed to help your body. Miglitol is a medicine that slows the digestion of sugars so your body has time to store extra sugar. Sometimes another medicine called sulfonylurea can be used in combination with miglitol to help your body store more sugar.

This medicine is available only with your doctor"s prescription, in the following dosage form:

• Oral
• Tablets (U.S.)

Before Using This Medicine

In deciding to use a medicine, the risks of taking the medicine must be weighed against the good it will do. This is a decision you and your doctor will make. For miglitol, the following should be considered:

Allergies—Tell your doctor if you have ever had any unusual or allergic reaction to miglitol. Also, tell your health care professional if you are allergic to any other substances, such as foods, preservatives, or dyes.

Pregnancy—Miglitol has not been studied in pregnant women. However, studies in animals have shown that miglitol causes birth defects or other problems. Before taking this medicine, make sure your doctor knows if you are pregnant or if you may become pregnant.

Breast-feeding—Although a very small amount of this medicine passes into human breast milk, it has not been shown to cause problems in nursing babies. Miglitol is not recommended for a nursing woman. Mothers who are taking this medicine and who wish to breast-feed should discuss this with their doctor.

Children—Studies on this medicine have been done only in adult patients, and there is no specific information comparing use of miglitol in children with use in other age groups.

Older adults—This medicine has been tested and has not been shown to cause different side effects or problems in older people than it does in younger adults.

Other medicines—Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. When you are taking miglitol, it is especially important that your health care professional know if you are taking any of the following:

• Digestive enzymes (e.g., Pancrease, Viokase, etc.) or
• Activated charcoal (e.g., Insta-Char, Liqui-Char)— Miglitol may not work as well when taken with these medicines

• Propranolol (e.g., Inderal) or
• Ranitidine (e.g., Zantac)—These medicines may not work as well when taken with miglitol.

Other medical problems—The presence of other medical problems may affect the use of miglitol. Make sure you tell your doctor if you have any other medical problems, especially:

• Digestion problems or
• Inflammatory bowel disease or
• Intestinal blockage or
• Other intestinal problems—Miglitol should not be used

• Kidney disease—Higher levels of miglitol may result and a smaller dose may be needed

Proper Use of This Medicine

Follow carefully the special meal plan you doctor gave you. This is the most important part of controlling your condition, and is necessary if the medicine is to work properly. Also, exercise regularly and test for sugar in your blood or urine as directed.

For this medicine to work properly it should be taken with the first bite of each main meal.

Dosing—The dose of miglitol will be different for different patients. Follow your doctor"s orders or the directions on the label . The following information includes only the average doses of miglitol. If your dose is different, do not change it unless your doctor tells you to do so.

• For oral dosage form (tablets):
  • For type 2 diabetes:
    • Adults—At first the dose is 25 milligrams (mg) three times a day, at the start (with the first bite) of each main meal. After four to eight weeks, your doctor may increase your dose to 50 mg three times a day. Then, after an additional twelve weeks, if necessary, your doctor may increase your dose to 100 mg three times a day.
    • Children—Use and dose must be determined by your doctor.

Missed dose—If you missed a dose and have completed your meal, skip the missed dose. Take the next dose with the next meal; do not double doses.

Storage—To store this medicine:

• Keep out of the reach of children.
• Do not store in the bathroom, near the kitchen sink, or in other damp places. Heat or moisture may cause the medicine to break down.
• Keep the medicine from freezing. Do not refrigerate.
• Do not keep outdated medicine or medicine no longer needed. Ask your health care professional how you should dispose of any medicine you do not use. Be sure that any discarded medicine is out of the reach of children.

Precautions While Using This Medicine

Your doctor will want to check your progress at regular visits , especially during the first few weeks that you take this medicine.

It is very important to follow carefully any instructions from your health care team about:

• Alcohol—Drinking alcohol may cause severe low blood sugar. Discuss this with your health care team.
• Other medicines—Do not take other medicines during the time you are taking miglitol unless they have been discussed with your doctor. This especially includes nonprescription medicines such as aspirin, and medicines for appetite control, asthma, colds, cough, hay fever, or sinus problems.
• Counseling—Other family members need to learn how to prevent side effects or help with side effects if they occur. Also, patients with diabetes may need special counseling about diabetes medicine dosing changes that might occur because of lifestyle changes, such as changes in exercise and diet. Furthermore, counseling on contraception and pregnancy may be needed because of the problems that can occur in patients with diabetes during pregnancy.
• Travel—Keep a recent prescription and your medical history with you. Be prepared for an emergency as you would normally. Make allowances for changing time zones and keep your meal times as close as possible to your usual meal times.

In case of emergency—There may be a time when you need emergency help for a problem caused by your diabetes. You need to be prepared for these emergencies. It is a good idea to wear a medical identification (ID) bracelet or neck chain at all times. Also, carry an ID card in your wallet or purse that says that you have diabetes and a list of all your medicines.

Symptoms of hypoglycemia (low blood sugar) include anxiety; behavior change similar to being drunk; blurred vision; cold sweats; confusion; cool, pale skin; difficulty in thinking; drowsiness; excessive hunger; fast heartbeat; headache (continuing); nausea; nervousness; nightmares; restless sleep; shakiness; slurred speech; or unusual tiredness or weakness.

Miglitol does not cause low blood sugar. However, it can occur if you delay or miss a meal or snack, drink alcohol, exercise more than usual, cannot eat because of nausea or vomiting, or take miglitol with another type of diabetes medicine. Symptoms of low blood sugar must be treated before they lead to unconsciousness (passing out). Different people feel different symptoms of low blood sugar. It is important that you learn which symptoms of low blood sugar you usually have so that you can treat it quickly.

If symptoms of low blood sugar occur, eat glucose tablets or gel or honey, or drink fruit juice to relieve the symptoms. Table sugar (sucrose) or regular (nondiet) soft drinks will not work . Also, check your blood for low blood sugar. Glucagon is used in emergency situations when severe symptoms such as seizures (convulsions) or unconsciousness occur. Have a glucagon kit available, along with a syringe or needle, and know how to use it. Members of your household also should know how to use it.

Symptoms of hyperglycemia (high blood sugar) include blurred vision; drowsiness; dry mouth; flushed, dry skin; fruit-like breath odor; increased urination; ketones in urine; loss of appetite; stomachache, nausea, or vomiting; tiredness; troubled breathing (rapid and deep); unconsciousness; or unusual thirst.

High blood sugar may occur if you do not exercise as much as usual, have a fever or infection, do not take enough or skip a dose of your diabetes medicine, or overeat or do not follow your meal plan.

If symptoms of high blood sugar occur, check your blood sugar level and then call your health care professional for instructions .

Side Effects of This Medicine

Other side effects not listed above may also occur in some patients. If you notice any other effects, check with your doctor.

Developed: 11/09/2000

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