METFORMIN (met FOR min) is used to treat type 2 diabetes. It helps to control blood sugar. Treatment is combined with diet and exercise. This medicine can be used alone or with other medicines for diabetes.
This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.
They need to know if you have any of these conditions:
frequently drink alcohol-containing beverages
become easily dehydrated
polycystic ovary syndrome
serious infection or injury
an unusual or allergic reaction to metformin, other medicines, foods, dyes, or preservatives
pregnant or trying to get pregnant
Take this medicine by mouth with a glass of water. Take it with meals. Swallow whole, do not crush or chew. Follow the directions on the prescription label. Take your medicine at regular intervals. Do not take your medicine more often than directed.
Talk to your pediatrician regarding the use of this medicine 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 miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.
Do not take this medicine with any of the following medications:
certain contrast medicines given before X-rays, CT scans, MRI, or other procedures
This medicine may also interact with the following medications:
female hormones, like estrogens or progestins and birth control pills
medicines for blood pressure, heart disease, irregular heart beat
phenothiazines like chlorpromazine, mesoridazine, prochlorperazine, thioridazine
steroid medicines like prednisone or cortisone
stimulant medicines for attention disorders, weight loss, or to stay awake
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 doctor or health care professional for regular checks on your progress.
A test called the HbA1C (A1C) will be monitored. This is a simple blood test. It measures your blood sugar control over the last 2 to 3 months. You will receive this test every 3 to 6 months.
Learn how to check your blood sugar. Learn the symptoms of low and high blood sugar and how to manage them. If you have low blood sugar, eat or drink something that has sugar. Make sure others know to get medical help quickly if you have serious symptoms of low blood sugar, like if you become unconscious or have a seizure.
The tablet shell for some brands of this medicine does not dissolve. This is normal. The tablet shell may appear whole in the stool. This is not a cause for concern.
If you need surgery or if you will need a procedure with contrast drugs, tell your doctor or health care professional that you are taking this medicine.
Wear a medical identification bracelet or chain to say you have diabetes, and carry a card that lists all your medications.
Side effects that you should report to your doctor or health care professional as soon as possible:
allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
feeling faint or lightheaded, falls
muscle aches or pains
signs and symptoms of low blood sugar such as feeling anxious, confusion, dizziness, increased hunger, unusually weak or tired, sweating, shakiness, cold, irritable, headache, blurred vision, fast heartbeat, loss of consciousness
slow or irregular heartbeat
unusual stomach pain or discomfort
unusually tired or weak
Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
metallic taste in mouth
stomach gas, upset
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.
Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Protect from light. Throw away any unused medicine after the expiration date.
heart failure that is treated with medications
Take this medicine by mouth. Follow the directions on the prescription label. Use a specially marked spoon or container to measure each dose. Ask your pharmacist if you do not have one. Household spoons are not accurate. Take with meals. Take your doses at regular intervals. Do not take your medicine more often than directed.
Talk to your pediatrician regarding the use of this medicine in children. While this drug may be prescribed for children as young as 10 years of age for selected conditions, precautions do apply.
Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Protect from moisture and light. Throw away any unused medicine after the expiration date.
Take this medicine by mouth. Take it with meals. Swallow the tablets with a drink of water. Follow the directions on the prescription label. Take your medicine at regular intervals. Do not take your medicine more often than directed.
Learn how to check your blood sugar. Learn the symptoms of low and high blood sugar and how to manage them.
If you have low blood sugar, eat or drink something that has sugar. Make sure others know to get medical help quickly if you have serious symptoms of low blood sugar, like if you become unconscious or have a seizure.