Product image of Metformin Zentiva (Metformin Hydrochloride) supplied by GNH India

Metformin Zentiva

Active Ingredient:
Metformin Hydrochloride
Origin:
EU

Metformin Zentiva (Metformin Hydrochloride)

Metformin Hydrochloride, the active ingredient in Metformin Zentiva, is a Biguanide presented as an oral tablet for oral use. It is indicated for the management of type 2 diabetes mellitus in adult patients.

GNH India supplies Metformin Zentiva as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.

Manufacturer / TM Owner

Zentiva, K.S.

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Indications & Clinical Uses

Metformin Zentiva belongs to the biguanide class and is used to improve glycaemic control in patients with type 2 diabetes mellitus.

  • Type 2 diabetes mellitus: lowers fasting and post‑prandial blood glucose levels, helping achieve target HbA1c values.

How It Works

  • Metformin Hydrochloride reduces hepatic gluconeogenesis and increases peripheral glucose uptake by enhancing insulin sensitivity in muscle and adipose tissue. It activates AMP‑activated protein kinase (AMPK), which modulates key enzymes involved in carbohydrate and lipid metabolism, resulting in decreased circulating glucose without stimulating insulin secretion.

Side Effects

Metformin may cause a range of adverse reactions, most of which are related to the gastrointestinal tract, while rare events can be serious.

Common Side Effects

  • Nausea: mild to moderate upset stomach.
  • Diarrhea: loose stools, often transient.
  • Abdominal discomfort: cramping or bloating.
  • Metallic taste: transient alteration of taste perception.
  • Loss of appetite: reduced desire to eat.
  • Flatulence: increased intestinal gas.

Serious or Rare Side Effects

  • Lactic acidosis: a rare but life‑threatening metabolic disturbance.
  • Severe skin reactions: such as Stevens‑Johnson syndrome.
  • Hepatotoxicity: abnormal liver function tests.
  • Hypoglycaemia: when combined with other glucose‑lowering agents.
  • Vitamin B12 deficiency: may develop with long‑term use.
  • Pancreatitis: inflammation of the pancreas.

Precautions & Warnings

Metformin should be used with careful clinical monitoring to minimise risks.

  • Renal function monitoring: assess creatinine clearance before initiation and periodically thereafter.
  • Hepatic assessment: evaluate liver enzymes in patients with known liver disease.
  • Lactic acidosis risk: avoid in patients with conditions predisposing to hypoxia or severe infection.
  • Concomitant medication review: consider interactions that may increase metformin exposure.
  • Dose adjustment in elderly: start at lower dose and titrate cautiously.
  • Store at room temperature: keep in the original container, protect from moisture and heat.

Avoid Interactions

Metformin may interact with several medicines, requiring attention to avoid reduced efficacy or increased toxicity.

Major Interactions (Avoid)

  • Iodinated contrast agents: can precipitate acute renal failure and lactic acidosis.
  • Cimetidine: may increase metformin plasma concentrations.
  • Alcohol: potentiates risk of lactic acidosis.

Moderate Interactions (Monitor Closely)

  • Beta‑blockers: may mask hypoglycaemia symptoms.
  • Diuretics: can affect renal clearance of metformin.

Frequently Asked Questions

Metformin Zentiva is prescribed to improve blood glucose control in adults with type 2 diabetes mellitus. By lowering fasting and post‑prandial glucose levels, it helps patients achieve target HbA1c values as part of a comprehensive diabetes management plan that includes diet and exercise.

Metformin Hydrochloride works primarily by inhibiting hepatic glucose production and enhancing peripheral insulin sensitivity. It activates the enzyme AMP‑activated protein kinase (AMPK), which regulates carbohydrate and lipid metabolism, leading to reduced circulating glucose without stimulating insulin secretion.

The appropriate dose of Metformin Zentiva is determined by the prescribing healthcare professional based on individual patient factors such as renal function, age, and glycaemic response. Dosage adjustments are made during treatment to achieve optimal blood glucose control while minimizing side effects.

Safety of Metformin Zentiva in pregnancy or while breastfeeding should be evaluated by a qualified clinician. Current guidelines suggest it may be continued in certain cases of gestational diabetes, but the decision must weigh potential benefits against any possible risks to the fetus or infant.

To place an order, submit an enquiry on the product page at gnhindia.com specifying the required quantity. GNH India works with hospitals, pharmacies and procurement teams worldwide, verifies trade or institutional credentials, and then provides pricing, availability, shipping details and any necessary import documentation.

Metformin is a first‑line therapy for type 2 diabetes and differs from sulfonylureas, DPP‑4 inhibitors or SGLT2 inhibitors in its mechanism, safety profile, and lack of weight gain. It is generally well‑tolerated, inexpensive, and does not cause hypoglycaemia when used alone, making it a preferred initial option.

Metformin Zentiva should be stored at room temperature, below 25 °C, in its original packaging to protect it from moisture and light. Keep the product out of reach of children and avoid storing it in bathrooms or other humid environments.

Metformin Zentiva is taken orally, usually with meals to reduce gastrointestinal discomfort. Tablets should be swallowed whole with a full glass of water and not crushed or chewed unless specifically instructed by a healthcare professional.

The most serious risk is lactic acidosis, a rare but potentially fatal condition that can occur in patients with severe renal impairment, hepatic disease, or conditions causing hypoxia. Prompt medical attention is required if symptoms such as unexplained fatigue, rapid breathing, or abdominal pain develop.

Metformin Zentiva is contraindicated in patients with severe renal impairment (eGFR < 30 mL/min/1.73 m²), acute or chronic metabolic acidosis, known hypersensitivity to metformin, or those receiving radiographic contrast studies without adequate renal protection.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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