Glucophage XR
Glucophage XR lowers blood sugar. If you experience upset stomach, try taking medication with food.
Glucophage XR Overview
Glucophage XR is a prescription medication used to treat type 2 diabetes. Glucophage XR belongs to a group of drugs called biguanides, which work by helping your body respond better to the insulin it makes naturally, decreasing the amount of sugar your liver makes, and decreasing the amount of sugar your intestines absorb.
This medication comes in an extended-release tablet. It is typically taken once a day. Swallow Glucophage extended-release tablets whole.
Common side effects of Glucophage XR include diarrhea, nausea, and upset stomach.
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Glucophage XR Cautionary Labels
Uses of Glucophage XR
Glucophage XR is a prescription medication used to treat type 2 diabetes.
This medication may be prescribed for other uses. Ask your doctor or pharmacist for more information.
Manufacturer
Generic
Metformin
For more information on this medication choose from the list of selections below.
Glucophage XR Drug Class
Glucophage XR is part of the drug class:
Side Effects of Glucophage XR
Serious side effects have been reported including:
Lactic Acidosis. In rare cases, Glucophage XR can cause a serious side effect called lactic acidosis. This is caused by a buildup of lactic acid in your blood. This build-up can cause serious damage. Lactic acidosis caused by Glucophage XR is rare and has occurred mostly in people whose kidneys were not working normally. Lactic acidosis has been reported in about one in 33,000 patients taking Glucophage XR over the course of a year. Although rare, if lactic acidosis does occur, it can be fatal in up to half the people who develop it.
It is also important for your liver to be working normally when you take Glucophage XR. Your liver helps remove lactic acid from your blood.
Make sure you tell your doctor before you use Glucophage XR if you have kidney or liver problems. You should also stop using Glucophage XR and call your doctor right away if you have signs of lactic acidosis. Lactic acidosis is a medical emergency that must be treated in a hospital.
Signs of lactic acidosis:
- feeling very weak, tired, or uncomfortable
- unusual muscle pain
- trouble breathing
- unusual or unexpected stomach discomfort
- feeling cold
- feeling dizzy or lightheaded
- suddenly developing a slow or irregular heartbeat
If your medical condition suddenly changes, stop taking Glucophage XR and call your doctor right away. This may be a sign of lactic acidosis or another serious side effect.
Common side effects of Glucophage XR include:
- diarrhea
- nausea
- upset stomach
These side effects generally go away after you take the medicine for a while. Taking your medicine with meals can help reduce these side effects. Tell your doctor if the side effects bother you a lot, last for more than a few weeks, come back after they've gone away, or start later in therapy. You may need a lower dose or need to stop taking the medicine for a short period or for good.
About 3 out of every 100 people who take Glucophage XR have an unpleasant metallic taste when they start taking the medicine. It lasts for a short time.
Glucophage XR rarely causes hypoglycemia (low blood sugar). However, hypoglycemia can happen if you do not eat enough, if you drink alcohol, or if you take other medicines to lower blood sugar.
Glucophage XR Interactions
Tell your doctor about all the medicines you take including prescription and non-prescription medicines, vitamins, and herbal supplements. Especially tell your doctor if you take:
- beta-blockers
- cough and cold products containing decongestants
- calcium channel blockers
- cimetidine (Tagamet)
- corticosteroids
- digoxin (Lanoxin)
- diuretics such as furosemide (Lasix)
- estrogens
- insulins or other medicines for diabetes
- isoniazid (INH, Nydrazid)
- morphine
- niacin (nicotinic acid, Niaspan)
- nifedipine
- oral contraceptives
- oral steroids
- phenothiazines such as promethazine (Phenergan)
- phenytoin (Dilantin)
- procainamide
- quinidine
- quinine
- ranitidine
- thyroid medicines such as levothyroxine (Levothroid, Levoxyl, Synthroid, Tirosint)
- triamterene
- trimethoprim
- vancomycin
This is not a complete list of Glucophage XR drug interactions. Ask your doctor or pharmacist for more information.
Glucophage XR Precautions
A small number of people who have taken Glucophage XR have developed a serious condition called lactic acidosis. Lactic acidosis is caused by a buildup of lactic acid in the blood. This happens more often in people with kidney problems. Most people with kidney problems should not take Glucophage XR. See "Side Effects".
Some conditions increase your chance of getting lactic acidosis, or cause other problems if you take Glucophage XR. Most of the conditions listed below can increase your chance of getting lactic acidosis.
Do not take Glucophage XR if you:
- have kidney problems
- have liver problems
- have heart failure that is treated with medicines, such as Lanoxin (digoxin) or Lasix (furosemide)
- drink a lot of alcohol. This means you binge drink for short periods or drink all the time.
- are seriously dehydrated (have lost a lot of water from your body)
- are going to have an x-ray procedure with injection of dyes (contrast agents)
- are going to have surgery
- develop a serious condition, such as heart attack, severe infection, or a stroke
- are 80 years or older and you have NOT had your kidney function tested
Do not drink a lot of alcohol drinks while taking this medication. This means you should not binge drink for short periods, and you should not drink a lot of alcohol on a regular basis. Alcohol can increase the chance of getting lactic acidosis.
Glucophage XR Food Interactions
Follow dietary (food) recommendations made by your doctor and dietitian which should include a healthy diet. Skipping meals should be avoided as this can cause problems maintaining blood sugar control. There are no specific foods to avoid while using Glucophage XR.
Inform MD
Before receiving Glucophage XR, tell your doctor if you:
- have kidney problems
- have liver problems
- have heart failure that is treated with medicines, such as Lanoxin (digoxin) or Lasix (furosemide)
- drink a lot of alcohol. This means you binge drink for short periods or drink all the time.
- are seriously dehydrated (have lost a lot of water from your body)
- are going to have an x-ray procedure with injection of dyes (contrast agents)
- are going to have surgery
- develop a serious condition, such as heart attack, severe infection, or a stroke
- are 80 years or older and you have NOT had your kidney function tested
- are pregnant or breastfeeding
While taking Glucophage XR, tell your doctor if you
- have an illness that causes severe vomiting, diarrhea or fever, or if you drink a much lower amount of liquid than normal. These conditions can lead to severe dehydration (loss of water in your body). You may need to stop taking Glucophage XR for a short time.
- plan to have surgery or an x-ray procedure with injection of dye (contrast agent). You may need to stop taking Glucophage XR for a short time.
- start to take other medicines or change how you take a medicine. Glucophage XR can affect how well other drugs work, and some drugs can affect how well Glucophage XR works. Some medicines may cause high blood sugar.
Glucophage XR and Pregnancy
Tell your doctor if you are pregnant or plan to become pregnant. It is not known if Glucophage XR will harm your unborn baby.
Glucophage XR and Lactation
Tell your doctor if you are breastfeeding or plan to breastfeed. It is not known if Glucophage XR is excreted in human breastmilk or if it will harm your nursing baby.
Glucophage XR Usage
Glucophage XR is taken by mouth and is available as an extended-release tablet. It is taken typically once daily. Glucophage XR should be taken at the same time(s) each day. Glucophage XR tablets should not be chewed, split, or crushed. Swallow Glucophage XR tablets whole.
Your doctor will tell you how much medicine to take and when to take it. You will probably start out with a low dose of the medicine. Your doctor may slowly increase your dose until your blood sugar is better controlled. You should take Glucophage XR with meals.
Your doctor may have you take other medicines along with Glucophage XR to control your blood sugar. These medicines may include insulin shots. Taking Glucophage XR with insulin may help you better control your blood sugar while reducing the insulin dose.
Continue your exercise and diet program and test your blood sugar regularly while taking Glucophage XR.
Your doctor will monitor your diabetes and may perform blood tests on you from time to time to make sure your kidneys and your liver are functioning normally. There is no evidence that Glucophage XR causes harm to the liver or kidneys.
Glucophage XR Dosage
Take Glucophage XR exactly as prescribed by your doctor. Follow the directions on your prescription label carefully.
For the extended release form, Glucophage XR, the starting dose is 500 mg once daily, and the maximum dosing is 2000 mg once daily (or 1000 mg twice daily).
The maximum total daily dose of Glucophage XR for people taking insulin is 2000 mg.
Glucophage XR Overdose
If you take too much Glucophage XR, call your local Poison Control Center or seek emergency medical attention right away.
Other Requirements
- Store Glucophage XR at 20° to 25° C (68° to 77° F).
- Keep this and all medicines out of the reach of children.
Glucophage XR FDA Warning
WARNINGS
Lactic Acidosis:
Lactic acidosis is a rare, but serious, metabolic complication that can occur due to metformin accumulation during treatment with Glucophage XR; when it occurs, it is fatal in approximately 50% of cases. Lactic acidosis may also occur in association with a number of pathophysiologic conditions, including diabetes mellitus, and whenever there is significant tissue hypoperfusion and hypoxemia. Lactic acidosis is characterized by elevated blood lactate levels (>5 mmol/ L), decreased blood pH, electrolyte disturbances with an increased anion gap, and an increased lactate/pyruvate ratio. When Glucophage XR is implicated as the cause of lactic acidosis, Glucophage XR plasma levels >5 μg/mL are generally found.