Glucophage

Glucophage (Metformin) 500 mg, 850 mg & 1000 mg — IR & ER, Uses, Price & Buy Online

Metformin is an oral diabetes medication that helps control blood sugar levels in patients with type 2 diabetes. Glucophage is the brand name under which metformin salt medications are sold. The right dose of metformin helps regulate blood sugar and helps your body use insulin effectively. 

Doses of 500 mg, 850 mg, and 1000 mg are sold in the USA. You can buy metformin online under different Glucophage brand variations and find more information at RxCroma. 

Prescription Required: Glucophage and Metformin are prescription medications. Order and take only the dose and type prescribed by your physician or healthcare provider.

What Is Glucophage (Metformin)?

Glucophage is the brand name for Metformin Hydrochloride, used to treat type 2 diabetes among adults and children. Metformin is used with diet and exercise to improve blood sugar control in adults with type 2 diabetes mellitus. 

Metformin decreases the amount of glucose the liver produces and releases. It helps the body's cells respond better to insulin and take up glucose from the blood. According to the U.S. Food & Drug Administration, metformin rarely causes low blood sugar (hypoglycemia) when taken alone. 

What Does Metformin Treat? (Uses)

Glucophage (generic name: metformin) is prescribed to treat type 2 diabetes in adults by improving blood sugar control. 

Primary prescribed uses of Metformin are: 

• Type 2 Diabetes (First-line Treatment): Physicians prescribe this medicine along with diet and exercise to lower high blood sugar levels. 

• Combination Therapy: It can be combined with other diabetes medication, including insulin or sulfonylureas. 

Doctors may also prescribe Metformin for other healthcare uses such as: 

• PCOS (Polycystic Ovary Syndrome): To increase insulin sensitivity and regulate the menstrual cycle.

• Gestational Diabetes: To control blood sugar levels during pregnancy.

• Obesity/Pre-Diabetes: To decrease the likelihood of contracting type 2 diabetes.

The proper dose of Metformin is chosen based on the patient’s condition and medical history. This drug cannot be used in cases of life-threatening complications like lactic acidosis, or because the medication will not work for their condition. 

Metformin IR vs. ER — Which One Did Your Doctor Prescribe?

When discussing diabetes pills like Metformin, terms like IR and ER describe how the drug will be released into the body. Doctors prescribe Metformin IR (Immediate-Release) and Metformin ER (Extended-Release) based on dosing convenience, side-effect tolerance, and age. 

Metformin IR (Immediate Release): 500 mg, 850 mg & 1000 mg

Available doses of Metformin IR are 500 mg, 850 mg, and 1000 mg. All Metformin IR doses work in the same way; however, their impact may vary by strength. 

• Typical action of Metformin IR: It enters the bloodstream quickly and lasts about 6 hours. 

• Dosing: Take 2-3 times a day with meals. 

• Max Daily Dose: Up to 2,550 mg for adults.

• Age Limit: Approved for adults; with proper clinical diagnosis and supervision, it can be prescribed for children. 

• Cost: Typically less expensive and widely available as a low-cost generic. 

Metformin ER (Extended Release): 500 mg, 750 mg & 1000 mg

Available Metformin ER doses are 500 mg, 750 mg, and 1000 mg. All Metformin ER doses work in the same way; however, their impact may vary by strength. 

• Typical working process of Metformin IR doses: A slow-release formula designed to last about 12 to 24 hours. 

• Dosing: Taken once daily, usually with the evening meal. 

• Max Daily Dose: Up to 2,000 mg for adults. 

• Age Limit: Restricted to adults (18 and older). 

• Stomach Effects: Usually causes fewer GI adverse reactions, such as nausea or diarrhea, because it avoids sharp spikes in peak concentration for some patients, although studies show comparable overall efficacy.

 Why Doctors Switch Patients from IR to ER

Neither Version of Metformin is considered better overall. Both Metformin IR and ER are approved to treat type 2 diabetes. The best fit depends on individual medical condition, age, preference, and tolerance. 

When comparing metformin IR vs. ER, some people choose metformin ER because it is taken once a day and causes fewer gastrointestinal side effects. Nonetheless, it is worth noting that metformin IR is the only type that has been approved for use by people aged 10 years and above. 

How to Take Glucophage (Metformin)

Take Glucophage (Metformin) as prescribed by your doctor. Follow all prescription instructions carefully and read all medication guidelines. If your doctor changes your dose, follow the changed set of dosage instructions. 

Never change the dose yourself; do not increase or decrease without consulting your doctor. Do not discontinue therapy, as sudden disruption can cause adverse effects. 

Best Time to Take Metformin

The ideal time to take Glucophage (Metformin) is the time your doctor prescribed. 

Take Metformin with meals (such as breakfast and dinner) to reduce stomach upset. Metformin IR is ideally taken twice daily with breakfast and dinner. Metformin ER is usually taken once daily with the evening meal. 

Taking Metformin With Food (Reduces Stomach Upset)

Taking Metformin with meals is one of the most effective ways to lower the risk of gastrointestinal side effects such as nausea, stomach cramps, gas buildup, and diarrhea. 

Taking metformin on an empty stomach increases the risk of digestive irritation, which food helps protect against. Proper meals balance medicine absorption. Stay consistent with your medication, as most mild stomach upset subsides within a few weeks as your body adjusts.

Glucophage Ingredients

The active ingredient (salt composition) is Metformin Hydrochloride. Metformin is an antihyperglycemic agent that improves glucose tolerance in patients with type 2 diabetes, lowering both basal and postprandial plasma glucose. Metformin decreases hepatic glucose production, reduces intestinal glucose absorption, and improves insulin sensitivity by increasing peripheral glucose uptake and utilization.

Metformin and Weight Loss

Metformin causes gradual weight loss, typically about 2% to 3% of body weight (or roughly 4 to 7 pounds) over the first year. Once insulin sensitivity improves, your appetite will decrease. It can increase satiety hormones like GLP-1 and stimulate the release of Lac-Phe (an anti-hunger molecule) to curb cravings. 

Metformin is FDA-Approved and mostly prescribed by doctors to treat type 2 diabetes. However, doctors may also prescribe it off-label for weight management, prediabetes, Polycystic Ovary Syndrome (PCOS), or weight gain linked to antipsychotic drugs.

Metformin Side Effects 

Glucophage (Metformin) commonly causes stomach and digestive side effects,  which usually improve after your body adjusts to the medication. In many cases, side effects can result from the wrong dose, improper use, or other existing medical conditions. In other cases, with proper dose, duration, and consumption, common side effects involve: 

Common Side Effects 

• Diarrhea: The most common side effect, occurring in up to 50 percent of those using the immediate-release tablets.

• Nausea and vomiting: Occurs when first beginning the drug or during dosage increase.

• Bloating: An excess of gas within the digestive tract.

• Abdominal pain and cramping: Slight abdominal pain.

• Metallic taste: An abnormal or bitter taste in the mouth.

• Weight loss: Small decreases in body weight.

Metformin and Vitamin B12 Deficiency — Long-Term Use 

Long-Term use of Metformin and Vitamin B12 deficiency can be linked after a significant tenure of use. Metformin interferes with calcium-dependent absorption of vitamin B12 in the final part of the small intestine (the ileum) via the cubilin receptor. 

Age 65 or older, strict vegan or vegetarian diets, prior weight-loss or gastrointestinal surgery, and concurrent use of acid-reducing medications (like proton pump inhibitors) further elevate the risk.

Serious Side Effects — Seek Help Immediately 

Lactic Acidosis (Boxed Warning) is one of the most serious side effects of Metformin. It is a rare but potentially fatal buildup of lactic acid in the blood. Watch for trouble breathing (fast or shallow), extreme tiredness or weakness, unusual muscle pain, severe stomach pain, feeling cold (especially in the arms or legs), dizziness, or a slow/irregular heartbeat.

Metformin Interactions — What to Avoid

When taking metformin, avoid substances, medications, and foods that can increase the risk of dangerous side effects like lactic acidosis (a rare but life-threatening buildup of lactic acid in the blood) or cause severe drops or spikes in blood sugar. 

Here’s what to mainly avoid: 

• Alcohol: Heavy or chronic drinking, as well as binge drinking,g drastically increases the risk of lactic acidosis and can cause unpredictable high or low blood sugar swings.

• Intravenous Contrast Dye: If you are scheduled for a CT scan or X-ray using iodine-containing contrast dye, doctors usually require you to stop taking metformin to protect your kidneys temporarily.

• Certain Surgeries or Procedures: You will typically be instructed to pause metformin temporarily before major surgeries or during acute illnesses involving severe dehydration. 

Metformin and Alcohol

The combination of metformin and alcohol leads to a high-stakes biochemical battle within your body. While having the occasional single drink may be alright for some diabetic patients under control, the mixture of metformin and excessive alcohol consumption will lead to dangerous health complications.   

Metformin and Contrast Dye (Before Imaging/Scans)

Metformin and IV contrast dye, which is basically iodine used in CT scans, angiography, or X-ray imaging, do not directly react. Instead, it is an indirect risk factor that can affect your kidneys and may cause lactic acidosis. 

This is an important, often overlooked safety point: patients need to tell radiology staff they take metformin before an iodine contrast scan. 

Other Drug Interactions

Apart from alcohol and contrast dye, metformin can interact with other drugs like:

1. Insulin & Sulfonylureas (e.g., Glipizide, Glimepiride): Severely crashes blood sugar (hypoglycemia).

2. Alcohol: Drastically increases the risk of a rare, life-threatening acid buildup (lactic acidosis).

3. Topiramate (Topamax): Increases acid levels in the blood, heightening lactic acidosis risk.

4. Cimetidine (Tagamet): Blocks your kidneys from flushing out metformin, risking toxic buildup.

5. Prednisone (Steroids): Heavily spikes blood sugar, counteracting how metformin works.

Storage Instructions

Store Glucophage (Metformin) as per instructions present in the product label and as instructed by your pharmacist or healthcare provider. It should be stored at room temperature, between between 68 F and 77 F (20 C and 25 C). It can be exposed to temperatures between 59°F and 86°F (15°C and 30°C) for shorter periods, such as during transport. Store in a cool, dry place.

Glucophage vs. Generic Metformin — Is There a Difference?

Glucophage is the brand-name version of the generic medication metformin, so it contains the same active pharmaceutical ingredient (metformin hydrochloride) and works the same way in the body. 

Core Similarities

• Active Ingredient: Both medications use metformin, which regulates blood sugar levels by inhibiting the production of glucose in the liver, limiting glucose absorption in the intestines, and increasing sensitivity to insulin.

• Medical Effectiveness: There is no difference between generic metformin and branded Glucophage, as both medications provide equal amounts of the drug in the body and equal regulation of blood sugar levels.

• Side Effects: Both medications have the same side effects, and these include gastrointestinal disorders such as nausea and diarrhea.

Buy Glucophage (Metformin) Online — Price by Strength and Form

RxCroma offers prescription medication information and online ordering services.

A valid prescription is mandatory to acquire prescription-only rosuvastatin. Only the prescribed strength of this medication must be ordered.

The price of Glucophage (Metformin) may differ depending on the strength, quantity, brand name/generic form, manufacturer, availability, and pharmacy pricing.

Brand Glucophage vs. Generic Metformin — Price Comparison

Glucophage is the brand name for Metformin. The generic name for Metformin is the same medication, just with different branding and at the same strength.

The cost difference between Glucophage and generic metformin may be based on the pharmacy, manufacturer, amount of medication, and available discounts.

If the prescription allows for generic substitution, the pharmacist can help determine if the generic is right for you.

Important Safety Information 

Glucophage is a prescription drug. The content on this page is meant for educational use only and cannot replace the recommendation of a doctor or pharmacist.

Do not use Glucophage if you have been told by a doctor that you should not take metformin, if you suffer from acute liver failure or decompensated cirrhosis, or if you have a known allergy to metformin or to any component of the product.

Inform your physician if you are pregnant, plan to become pregnant, breastfeed, have liver or kidney issues, or are using any other drugs, either prescription, over-the-counter, vitamin, or supplement.

Report to your healthcare provider immediately if you develop unexplained muscle pain, tenderness, or weakness, especially if it is accompanied by fever or excessive fatigue.

Take Glucophage exactly as prescribed, according to the latest medication guide and prescribing information.