Glycomet Tablet: Uses, Benefits, Dosage & Side Effects

Glycomet Tablet is a prescription medicine that contains metformin hydrochloride. Doctors commonly prescribe it to lower high blood glucose in people with type 2 diabetes. Many people informally call it a Glycomet sugar tablet because it supports blood sugar management. However, it does not replace a balanced diet, physical activity or regular monitoring.

Understanding Glycomet Tablet uses, correct dosing and possible side effects can help you take the medicine more safely. Always use the exact strength and formulation prescribed for you. Do not start, stop or change the dose on your own.

What Is Glycomet Tablet?

Glycomet Tablet belongs to a group of medicines called biguanides. It is mainly used for Type 2 Diabetes Control when diet and exercise alone are not enough. It may be used alone or with other diabetes medicines, including insulin.

Glycomet is available in different strengths and formulations. These include standard tablets and sustained-release, or SR, tablets. The strength and release type are printed on the pack. They are not always interchangeable.

Metformin Hydrochloride Composition

The active ingredient in Glycomet Tablet is metformin hydrochloride. A commonly available standard Glycomet Tablet contains 500 mg of metformin, although other strengths and SR formulations are also available.

Metformin lowers blood glucose without directly forcing your pancreas to release more insulin. This is why it carries a low risk of hypoglycaemia when taken alone.

How Glycomet Tablet Works

Glycomet Tablet supports blood glucose control in three main ways:

• It reduces the amount of glucose released by your liver.
• It improves your body's response to insulin, so cells can use glucose more effectively.
• It reduces some glucose absorption from your digestive tract.

These actions can lower fasting and after-meal glucose levels. The medicine works best alongside a suitable eating plan, regular activity, adequate sleep and consistent follow-up.

Uses of Glycomet Tablet

Your doctor may prescribe Glycomet Tablet for:

• Managing type 2 diabetes
• Improving insulin resistance
• Supporting selected people with prediabetes
• Managing metabolic concerns linked with Polycystic Ovary Syndrome
• Managing pregnancy-related high blood glucose in selected cases under specialist care
• Combining with other glucose-lowering medicines when one medicine is not enough

Type 2 Diabetes Control

For Type 2 Diabetes Control, Glycomet Tablet helps lower high blood glucose and improve insulin sensitivity. Better long-term glucose control can reduce the risk of complications affecting your kidneys, eyes, nerves, heart and blood vessels.

Glycomet does not cure diabetes. You still need to follow your treatment plan, attend regular reviews and monitor your blood glucose and HbA1c.

Polycystic Ovary Syndrome (PCOS)

Doctors may use metformin for Polycystic Ovary Syndrome when insulin resistance or metabolic risk is a concern. It may improve glucose handling and support more regular ovulation or menstrual cycles in some people.

Metformin is not a dedicated weight-loss medicine or a complete treatment for PCOS. Your doctor will consider your symptoms, body weight, glucose levels, fertility plans and other treatment options before prescribing it.

Prediabetes and Gestational Diabetes

For prediabetes, lifestyle changes remain central. Metformin may be considered for people at higher risk of progressing to type 2 diabetes. This may include younger adults with a higher body mass index or those with a previous history of Gestational Diabetes.

Metformin may also be used for Gestational Diabetes in selected situations. However, insulin is often preferred during pregnancy, and metformin crosses the placenta. Your obstetrician or diabetes specialist should decide what is safest for you and your baby. Do not take Glycomet during pregnancy without medical supervision.

Benefits of Glycomet Tablet

When it is suitable for you and taken correctly, Glycomet Tablet may offer the following benefits:

• Lowers fasting and after-meal blood glucose
• Improves insulin sensitivity
• Supports Type 2 Diabetes Control with a low risk of hypoglycaemia when used alone
• Usually does not cause weight gain and may support modest weight reduction in some people
• Can be combined with other diabetes medicines when needed
• May support metabolic management in PCOS
• May delay progression from prediabetes to type 2 diabetes in selected high-risk people

Your response will depend on your condition, dose, kidney function, diet, activity and other medicines.

Glycomet Dosage and How to Take It

The correct dose is individualised. It depends on your blood glucose, HbA1c, kidney function, formulation, tolerance and other medicines. The table below gives general information only.

Side Effects of Glycomet Tablet

Most side effects are digestive and may improve as your body adjusts. Common effects include:

• Diarrhoea
• Nausea or vomiting
• Abdominal discomfort or stomach pain
• Gas or indigestion
• Reduced appetite
• Metallic taste
• Headache
• Weakness

Contact your doctor if symptoms are severe, last for several days or affect your food and fluid intake.

Common Digestive Effects: Nausea, Diarrhoea and Abdominal Discomfort

Nausea may improve when you take the tablet with food.

Diarrhoea is common when starting metformin or after a dose increase. Drink enough fluids and speak to your doctor if it persists.

Abdominal discomfort may settle as your body adapts. A slower dose increase or an SR formulation may help, but only your doctor should make this change.

Severe vomiting or diarrhoea can cause dehydration. Contact your doctor promptly if you cannot keep fluids down.

Rare but Serious Side Effect

Metformin can very rarely cause lactic acidosis, which is a dangerous build-up of lactic acid in the blood. The risk is higher with severe kidney problems, dehydration, serious infection, low oxygen states, heavy alcohol intake or significant liver disease.

Seek urgent medical care if you develop unusual severe weakness, persistent vomiting, severe abdominal pain, muscle pain, breathing difficulty, marked drowsiness, dizziness or an unusually slow or irregular heartbeat.

Precautions and Warnings

Tell your doctor before taking Glycomet Tablet if you:

• Have kidney disease or reduced kidney function
• Have liver disease
• Have diabetic ketoacidosis or another metabolic acidosis
• Have severe heart failure, breathing problems or a recent heart attack
• Are dehydrated because of fever, vomiting or diarrhoea
• Drink alcohol frequently or binge drink
• Are pregnant, planning pregnancy or breastfeeding
• Are scheduled for major surgery
• Are having a scan or procedure using iodinated contrast dye
• Have anaemia, low vitamin B12 or symptoms such as numbness, tingling, tiredness or a sore tongue

Metformin is generally not started when kidney function is significantly reduced, and it should not be used in severe kidney impairment. Your doctor will use your estimated glomerular filtration rate, or eGFR, to decide whether it is appropriate.

Glycomet Drug Interactions

Some medicines and substances can change the effect or safety of Glycomet Tablet. Tell your doctor about prescription medicines, over-the-counter products and supplements, especially:

• Insulin or sulfonylureas, which can increase the risk of low blood sugar when combined with metformin
• Iodinated contrast dye used for some scans and procedures
• Topiramate, acetazolamide and similar medicines that can affect the body's acid balance
• Cimetidine, dolutegravir, ranolazine or vandetanib, which may increase metformin exposure
• Steroids, some diuretics, hormonal medicines and certain asthma medicines, which can affect glucose control
• Alcohol, particularly heavy or binge drinking

Do not stop a regular medicine yourself. Your doctor may adjust doses, arrange closer monitoring or temporarily pause metformin around certain procedures.

Blood Sugar Tests to Monitor on Glycomet

Regular testing shows whether treatment is working and helps identify safety concerns early.

Your target values and testing schedule should be personalised by your doctor.

When to Contact Your Doctor

Speak to your doctor if:

• Digestive effects do not settle
• Your glucose remains consistently high or becomes too low
• You develop numbness, tingling, unusual tiredness or pale skin
• You become dehydrated or develop a serious infection
• You are planning pregnancy
• You are due for surgery or a contrast scan
• You accidentally take more than prescribed

Seek emergency care for symptoms that may suggest lactic acidosis or severe hypoglycaemia.

Frequently Asked Questions

Should Glycomet Be Taken Before or After Food?

Take Glycomet with food or just after a meal unless your doctor gives different instructions. This can reduce nausea, diarrhoea and stomach discomfort. SR tablets are commonly taken with the evening meal.

Can Glycomet Help With Weight Loss in PCOS?

Glycomet may support modest weight reduction in some people with PCOS by improving insulin sensitivity, but the effect varies. It is not a weight-loss tablet. Nutrition, physical activity, sleep and a personalised PCOS treatment plan remain important.

Is Glycomet Safe During Pregnancy?

Metformin is used during pregnancy in some circumstances, including selected cases of Gestational Diabetes. However, it crosses the placenta and is not the first-line medicine in every guideline or situation. Use it only when prescribed by your obstetrician or diabetes specialist.

Do not stop a prescribed medicine suddenly after discovering you are pregnant. Contact your doctor promptly.

Does Glycomet Cause Vitamin B12 Deficiency?

Long-term metformin use can lower vitamin B12 levels in some people. The risk may be higher with a vegan or restricted diet, existing low B12, digestive disorders, anaemia or previous bariatric surgery. Your doctor may request a vitamin B12 test if you have risk factors or symptoms.

Can Glycomet Be Taken With Other Diabetes Medicines?

Yes. Doctors may combine Glycomet with other tablets, injectable medicines or insulin when required. Combination treatment can increase the risk of low blood sugar depending on the added medicine, so doses and monitoring may need adjustment.

Conclusion

Glycomet Tablet is a widely used metformin medicine for managing high blood glucose. It can support type 2 diabetes, selected high-risk glucose states and the metabolic features of PCOS. Safe use depends on the correct dose, kidney function checks, regular glucose monitoring and prompt attention to persistent side effects.

Along with healthy habits, preventive testing can help you stay informed about important health markers. Metropolis Healthcare offers more than 4,000 tests, including HbA1c, fasting and post-meal glucose, kidney function and vitamin B12 tests, as well as full body checkups. Its network includes NABL and CAP-accredited laboratories, expert pathologists and convenient home sample collection. You can book through the website, app, call or WhatsApp and receive timely, reliable reports for ongoing health monitoring.

References

1. DailyMed. Metformin Hydrochloride Tablets: Full Prescribing Information. US National Library of Medicine. Revised July 2025.
2. American Diabetes Association Professional Practice Committee. Prevention or delay of diabetes and associated comorbidities: Standards of Care in Diabetes 2026. Diabetes Care. 2026;49(Suppl 1):S50-S60.
3. American Diabetes Association Professional Practice Committee. Management of diabetes in pregnancy: Standards of Care in Diabetes 2026. Diabetes Care. 2026;49(Suppl 1):S321-S338.
4. International Evidence-based Guideline Development Group. International Evidence-based Guideline for the Assessment and Management of Polycystic Ovary Syndrome 2023: Summary. Monash University; 2023.
5. National Institute for Health and Care Excellence. Vitamin B12 Deficiency in Over 16s: Diagnosis and Management. NICE Guideline NG239. 2024.
6. American Diabetes Association Professional Practice Committee. Glycaemic goals, hypoglycaemia and hyperglycaemic crises: Standards of Care in Diabetes 2026. Diabetes Care. 2026;49(Suppl 1):S132-S149.