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Metformin 500mg SR Tablet
Medically Reviewed by – Poppy Saunders, RD
Last Updated on 8 July 2026

Metformin 500mg SR Tablet

$0.28 $0.34
Metformin 500mg SR Tablets are a prescription medicine used to manage high blood sugar in people with type 2 diabetes. “SR” means slow release, so the medicine works gradually throughout the day. It belongs to a group called biguanides. This lower strength is often used when starting treatment.
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Categories: DiabetesTag: Pills

What is Metformin 500mg SR Tablets?

Metformin 500mg SR Tablets are a prescription medicine used to manage high blood sugar in people with type 2 diabetes. “SR” means slow release, so the medicine works gradually throughout the day. It belongs to a group called biguanides. This lower strength is often used when starting treatment.

How to Use Metformin 500mg SR Tablets?

Use Metformin 500mg SR Tablets exactly as prescribed.

Key instructions:

  • Swallow the tablet whole with water
  • Take with or after food
  • Do not crush or chew
  • Take at the same time daily

Taking it with meals helps reduce stomach side effects. Consistent use is important for stable blood sugar control.

Who Can Use Metformin 500mg SR Tablets?

Metformin 500mg SR Tablets are suitable for many adults with type 2 diabetes.

Suitable for:

  • Adults with high blood sugar
  • Patients starting diabetes treatment

Not suitable for:

  • Severe kidney or liver disease
  • Allergy to Metformin
  • Certain serious health conditions

A doctor will decide if it is appropriate for your condition.

Dosage Information

The dosage depends on your response and medical needs.

General guidance:

  • Often started at 500mg once daily
  • Increased gradually if needed
  • Taken with meals

Do not change your dose without medical advice. Regular monitoring helps ensure safe and effective treatment.

How Long Does Metformin 500mg SR Tablets Take to Work?

Metformin 500mg SR Tablets begin working within a few days.

  • Initial effect: 2 to 3 days
  • Full benefit: 1 to 2 weeks

The slow-release form provides steady control. Regular use is important for consistent blood sugar management.

Side Effects of Metformin 500mg SR Tablets

Some side effects may occur, especially at the start.

Common side effects:

  • Nausea
  • Diarrhoea
  • Stomach discomfort
  • Loss of appetite

Rare but serious:

  • Lactic acidosis
  • Weakness or breathing problems

Most mild symptoms improve over time. Seek medical help if serious effects occur.

Warnings and Precautions

Use Metformin 500mg SR Tablets with care.

Important precautions:

  • Kidney or liver problems
  • Excess alcohol intake
  • Dehydration
  • Medical procedures or scans

Regular check-ups are needed. Always follow your doctor’s advice to reduce risks.

Drug Interactions

Metformin may interact with other medicines.

Common interactions:

  • Diuretics
  • Steroids
  • Blood pressure medicines
  • Contrast dyes

Always inform your doctor about all medicines and supplements you are taking.

Alternatives to Metformin 500mg SR Tablets

If Metformin is not suitable, other treatments may be used.

Alternatives include:

  • Sulfonylureas
  • DPP-4 inhibitors
  • SGLT2 inhibitors
  • Insulin

Your doctor will choose the best option based on your condition.

Lifestyle Advice for Diabetes

Lifestyle plays a key role in managing diabetes.

Helpful tips:

  • Eat a balanced diet
  • Control carbohydrate intake
  • Exercise regularly
  • Maintain a healthy weight
  • Monitor blood sugar

These habits improve treatment results and support long-term health.

FAQ's

When is the best time to take Metformin 500mg SR Tablets?

Metformin 500mg SR Tablets are usually taken once daily with a meal, often in the evening. Taking it with food helps reduce stomach upset. The key is consistency. Take it at the same time each day to maintain stable blood sugar levels and improve effectiveness.

Can I eat eggs while on Metformin 500mg SR Tablets?

Yes, eggs can be included in your diet while taking Metformin. They are a good source of protein and do not raise blood sugar significantly. However, maintain a balanced diet overall. Portion control and healthy cooking methods are important for managing diabetes effectively.

Does Metformin 500mg SR Tablets fatigue go away?

Some people may feel tired when starting Metformin. This is usually temporary and improves as the body adjusts. Fatigue may also be linked to blood sugar levels or vitamin B12 changes. If tiredness continues, speak with your doctor for further advice.

Can I Buy Metformin 500mg SR Tablets Online Over the Counter or Without Prescription?

Metformin 500mg SR Tablets are a prescription-only medicine in the UK. You cannot buy them over the counter. Online pharmacies may offer consultations, but a licensed prescriber must approve the medicine to ensure safe use.

Where Can I Buy Metformin 500mg SR Tablets Online in UK?

You can buy Metformin 500mg SR Tablets online for humans in UK from InternationalDrugMart. This trusted online pharmacy offers affordable rates, secure checkout, and reliable global shipping. Shop conveniently from home and get your treatment delivered to your doorstep. Save more on quality healthcare with InternationalDrugMart today.

Medical Disclaimer

This content is for informational purposes only. Always consult a doctor or pharmacist before using any medicine.

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