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Prescription requiredBal Pharma LtdAntidiabetic

Diamet 850 mg Tablet

Metformin hydrochloride 850 mg

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Diamet 850 mg Tablet is used for type 2 diabetes mellitus (to control blood glucose), prediabetes/insulin resistance (as prescribed), polycystic ovary syndrome (PCOS) (off-label, as prescribed).

Medically reviewed by Dr. Balaji Krishnan, MBBS · Updated September 2026

Licensed pharmacyPharmacist-verified order

Key details

Salt: Metformin hydrochloride 850 mg
Available variants: tablet 850 mg 15`S
Best price: ₹23 (₹1.54 per tablet)
MRP: ₹24
Prescription: Required
Manufacturer: BAL PHARMA LTD

Ordering notes

Delivery details are shown when the medicine is back in stock.
Returns & refunds: orders can be cancelled before dispatch; after dispatch, returns depend on the item category. Read the full policy

Composition of Diamet 850 mg Tablet

Diamet 850 mg Tablet contains Metformin hydrochloride 850 mg. It belongs to the Biguanide class of medicines.

Uses of Diamet 850 mg Tablet

  • Type 2 diabetes mellitus (to control blood glucose)
  • prediabetes/insulin resistance (as prescribed)
  • polycystic ovary syndrome (PCOS) (off-label
  • as prescribed)

Key benefits

  • Lowers fasting and post-meal blood glucose
  • Improves insulin sensitivity
  • Helps reduce HbA1c over time
  • Weight-neutral or modest weight benefit
  • May improve insulin resistance in PCOS (as prescribed)

How Diamet 850 mg Tablet works

Metformin decreases glucose production in the liver and improves the body’s sensitivity to insulin, helping cells use glucose better. It also reduces absorption of glucose from the intestine, leading to lower blood sugar levels.

How to take Diamet 850 mg Tablet

Oral tablet. Take exactly as prescribed, usually with or after meals to reduce stomach upset. Swallow with water; do not crush unless advised. Dose is individualized based on blood sugar and kidney function; regular monitoring is needed.

Take it exactly as your doctor prescribed. Do not change the dose or stop early on your own.

Missed dose and overdose

If you miss a dose

Take it as soon as you remember. If your next dose is almost due, skip the one you missed — never take two doses together to catch up.

If you take too much

An overdose of this medicine can cause a dangerous build-up of acid in the blood, with vomiting, severe weakness and laboured breathing. Do not wait for symptoms to appear — go to the nearest emergency department and take the pack or strip with you.

Side effects of Diamet 850 mg Tablet

Most side effects of Diamet are mild and settle as the body adjusts. Reported side effects include:

  • Nausea
  • vomiting
  • diarrhoea
  • abdominal pain
  • loss of appetite
  • metallic taste
  • gas/bloating
  • headache

Stop the medicine and seek help immediately for a rash, swelling of the face or lips, wheezing or difficulty breathing. Tell your doctor about any side effect that persists or worries you.

Safety advice for Diamet 850 mg Tablet

PregnancyConsult doctor
BreastfeedingConsult your doctor before using this while breastfeeding.
AlcoholAvoid
DrivingNot expected to affect your ability to drive.
KidneyConsult your doctor if you have kidney disease.
LiverConsult your doctor if you have liver disease.
Habit formingNo

Warnings and precautions

Use with caution in kidney disease; periodic renal function monitoring is required. Rare risk of lactic acidosis—seek urgent care for fast/deep breathing, severe weakness, muscle pain, abdominal pain, or unusual sleepiness. Temporarily stop metformin before/after iodinated contrast imaging and major surgery as advised. Use caution in liver disease, dehydration, severe infection, or heavy alcohol use. Long-term use may reduce vitamin B12 levels; monitoring may be needed.

Do not take Diamet if

Not for anyone with a known allergy to this medicine or to any ingredient in the pack. Not for people with severe kidney disease, severe liver disease, or an acute illness causing dehydration. Not for people who have had diabetic ketoacidosis.

Interactions with other medicines

Alcohol (increases lactic acidosis risk), iodinated contrast media, cimetidine, carbonic anhydrase inhibitors (e.g., topiramate, acetazolamide), diuretics, corticosteroids, thyroid hormones, beta-agonists, antipsychotics (may raise glucose), insulin/sulfonylureas (increased hypoglycaemia risk when combined)

How to store Diamet 850 mg Tablet

Store below 25°C in a cool, dry place. Protect from moisture and direct light. Keep out of reach of children.

Expert advice for Diamet 850 mg Tablet

Take it with or just after food to reduce stomach upset. Keep taking it even when your sugar readings look normal — that is the medicine working. Continue your diet and physical activity; this medicine works alongside them, not instead of them.

Manufacturer and class

Manufacturer:
BAL PHARMA LTD
Therapeutic class:
Antidiabetic
Drug class:
Biguanide

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Diamet 850 mg Tablet FAQs

What is Diamet 850 mg Tablet used for?
Diamet 850 mg Tablet is commonly used for Type 2 diabetes mellitus (to control blood glucose), prediabetes/insulin resistance (as prescribed), polycystic ovary syndrome (PCOS) (off-label, as prescribed). Always follow your doctor's advice, this information is for educational purposes and not a substitute for professional medical guidance.
What is the salt in Diamet 850 mg Tablet?
Diamet 850 mg Tablet contains Metformin hydrochloride 850 mg. If you are allergic to any of these active ingredients or excipients, do not take this medicine and speak to your doctor first.
How should I take Diamet 850 mg Tablet?
Oral tablet. Take it exactly as prescribed; do not change the dose or stop early without talking to your doctor.
How does Diamet 850 mg Tablet work?
Metformin decreases glucose production in the liver and improves the body’s sensitivity to insulin, helping cells use glucose better.
Is Diamet 850 mg Tablet a prescription medicine?
Yes. Diamet 850 mg Tablet is a prescription-only (Rx) medicine. Upload a valid prescription from a registered medical practitioner during checkout. We cannot dispense it without a valid Rx.
What are the common side effects of Diamet 850 mg Tablet?
The side effects reported most often with Diamet are Nausea, vomiting, diarrhoea, abdominal pain, loss of appetite. Most are mild and settle as the body adjusts; tell your doctor if any of them persist or worry you, and stop the medicine and seek help at once for a rash, swelling of the face or lips, or difficulty breathing.
Can Diamet 850 mg Tablet be taken during pregnancy?
Consult doctor Always tell your doctor if you are pregnant, planning a pregnancy or breastfeeding before starting Diamet.
Can I drink alcohol while taking Diamet 850 mg Tablet?
Avoid
What if I miss a dose of Diamet 850 mg Tablet?
Take it as soon as you remember.
Is Diamet 850 mg Tablet habit forming?
No. Diamet 850 mg Tablet is not known to be habit forming when taken as prescribed.
How much does Diamet 850 mg Tablet cost on PingMeDoc Pharmacy?
Diamet 850 mg Tablet starts at ₹23 (MRP ₹24) on PingMeDoc Pharmacy. Available in tablet 850 mg 15`S. Final price is confirmed at checkout and may vary by variant and location.
Who manufactures Diamet 850 mg Tablet?
Diamet 850 mg Tablet is manufactured by BAL PHARMA LTD. PingMeDoc Pharmacy sources medicines only from licensed manufacturers and distributors.
How is Diamet 850 mg Tablet delivered?
Diamet 850 mg Tablet is delivered across India via our licensed pharmacy partners. Standard delivery timelines are confirmed at checkout. Chennai customers can opt for chargeable same-city express delivery.

Diamet 850 mg Tablet, Quick facts

Salt
Metformin hydrochloride 850 mg
Form
tablet
Best price
₹23 (₹1.54 per tablet)
MRP
₹24
Prescription
Required (Rx)
Schedule
Schedule H
Brand
BAL PHARMA LTD
Manufacturer
BAL PHARMA LTD
Therapeutic class
Antidiabetic
Drug class
Biguanide
Habit forming
No
Variants
tablet 850 mg 15`S
Delivery
Standard across India

References

The information on Diamet 850 mg Tablet is compiled from the manufacturer's prescribing information and the sources below, and is reviewed by a registered medical practitioner. It does not replace advice from your own doctor.

  1. Manufacturer labeling/pack information, established medical literature on metformin, standard treatment guidelines for type 2 diabetes, drug interaction references
  2. Central Drugs Standard Control Organisation (CDSCO), Ministry of Health & Family Welfare, Government of India, approved drug and schedule listings.
  3. National List of Essential Medicines (NLEM) 2022, Government of India.
  4. Manufacturer's package insert / prescribing information for Diamet 850 mg Tablet.
  5. World Health Organization, ATC/DDD classification and Model Formulary for the active ingredient.

Next steps

Safety disclaimer

Product information is for general awareness and does not replace professional medical advice. Always follow a clinician's guidance and upload a valid prescription when required.