Fortamet; Glucophage; Glucophage XR; Glumetza; Riomet
ACT-Metformin; Apo-Metformin; Auro-Metformin; Dom-Metformin; ECL-Metformin; Glucophage; Glumetza; Glycon; JAMP-Metformin; JAMP-Metformin Blackberry; Mar-Metformin; Metformin FC; Mint-Metformin; Mylan-Metformin; PHL-Metformin; PMS-Metformin; PRO-Metformin; RAN-Metformin; ratio-Metformin; Riva-Metformin; Sandoz-Metformin FC; Septa-Metformin; Teva-Metformin
- Rarely, metformin may cause an acid health problem in the blood (lactic acidosis). The risk of lactic acidosis is higher in people with kidney problems and in people who take certain other drugs like topiramate. The risk is also higher in people with liver problems or heart failure, in older people (65 or older), or with alcohol use. If lactic acidosis happens, it can lead to other health problems and can be deadly. Lab tests to check the kidneys may be done while taking this drug. Talk with the doctor.
- Call the doctor right away if your child has signs of too much lactic acid in the blood (lactic acidosis) like fast breathing, fast heartbeat, a heartbeat that does not feel normal, very bad upset stomach or throwing up, feeling very sleepy, shortness of breath, feeling very tired or weak, very bad dizziness, feeling cold, or muscle pain or cramps.
- Do not give this drug to your child if your child has a very bad infection, low oxygen, or a lot of fluid loss.
- If your child has liver disease, talk with the doctor.
- Alcohol may interact with this drug. Be sure your child does not drink alcohol.
- If your child is having an x-ray or scan with dye, talk with the doctor.
- Tell all of your child’s health care providers that your child is taking this drug. This includes your child’s doctors, nurses, pharmacists, and dentists.
- It is used to lower blood sugar in patients with high blood sugar (diabetes).
- If your child has an allergy to this drug or any part of this drug.
- If your child is allergic to any drugs like this one or any other drugs, foods, or other substances. Tell the doctor about the allergy and what signs your child had, like rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other signs.
- If your child has any of these health problems: Acidic blood problem, kidney disease, or liver disease.
- If your child has had a recent heart attack or stroke.
- If your child is old enough to drive, do not let your child drive if his/her blood sugar has been low. There is a greater chance of having a crash.
- Have your child’s blood sugar checked as you have been told by your child’s doctor.
- Have your child’s blood work checked often. Talk with your child’s doctor.
- It may be harder to control your child’s blood sugar during times of stress like when your child has a fever, an infection, an injury, or surgery. A change in level of physical activity or exercise and a change in diet may also affect your child’s blood sugar. Talk with the doctor.
- Have your child be careful in hot weather or while your child is being active. Have your child drink lots of fluids to stop fluid loss.
- If your child has been taking this drug for a long time or at high doses, it may not work as well and your child may need higher doses to get the same effect. This is known as tolerance. Call the doctor if this drug stops working well. Do not give more than ordered.
If your child is pregnant or breast-feeding a baby:
- Talk with the doctor if your child is pregnant, becomes pregnant, or is breast-feeding a baby. You will need to talk about the benefits and risks of using this drug.
- You may see the tablet shell in your child’s stool. This is normal and not a cause for concern.
- Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
- Low blood sugar can happen. The chance of low blood sugar may be raised when this drug is used with other drugs for high blood sugar (diabetes). Signs may be dizziness, headache, feeling sleepy, feeling weak, shaking, a fast heartbeat, confusion, hunger, or sweating. Call the doctor right away if your child has any of these signs. Follow what you have been told to do if your child gets low blood sugar. This may include giving your child glucose tablets, liquid glucose, or some fruit juices.
- Very bad belly pain.
- It is common to have stomach problems like upset stomach, throwing up, or loose stools (diarrhea) when starting this drug. If your child has stomach problems later during care, call the doctor right away. This may be a sign of an acid health problem in the blood (lactic acidosis).
- Loose stools (diarrhea).
- Upset stomach or throwing up.
- Feeling tired or weak.
- This drug may be used alone or with other high blood sugar (diabetes) drugs.
- Keep giving this drug to your child as you have been told by your child’s doctor or other health care provider, even if your child feels well.
- To gain the most benefit, do not miss giving your child doses.
- Have your child follow the diet and workout plan your child’s doctor told you about.
- Give this drug with dinner.
- Have your child swallow whole. Do not let your child chew, break, or crush.
All other products:
- Give this drug with meals.
- Measure liquid doses carefully. Use the measuring device that comes with this drug. If there is none, ask the pharmacist for a device to measure this drug.
- Give a missed dose as soon as you think about it.
- If it is close to the time for your child’s next dose, skip the missed dose and go back to your child’s normal time.
- Do not give 2 doses at the same time or extra doses.
- Store at room temperature.
- Store in a dry place. Do not store in a bathroom.
- Keep all drugs in a safe place. Keep all drugs out of the reach of children and pets.
- Check with your pharmacist about how to throw out unused drugs.
- If your child’s symptoms or health problems do not get better or if they become worse, call your child’s doctor.
- Do not share your child’s drug with others and do not give anyone else’s drug to your child.
- Keep a list of all your child’s drugs (prescription, natural products, vitamins, OTC) with you. Give this list to your child’s doctor.
- Talk with your child’s doctor before giving your child any new drug, including prescription or OTC, natural products, or vitamins.
- Some drugs may have another patient information leaflet. If you have any questions about this drug, please talk with your child’s doctor, nurse, pharmacist, or other health care provider.
- If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.