Product image of Karvea (Irbesartan) supplied by GNH India

Karvea

Active Ingredient:
Irbesartan
Origin:
EU

Karvea (Irbesartan)

Irbesartan, the active ingredient in Karvea, is an angiotensin II receptor blocker (ARB) presented as an oral tablet for oral use. It is employed to treat hypertension and to protect kidney function in patients with diabetic nephropathy.
GNH India supplies Karvea as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.

Manufacturer / TM Owner

Sanofi Winthrop Industrie

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Indications & Clinical Uses

Irbesartan acts on the renin‑angiotensin‑aldosterone system to lower blood pressure and protect renal function.

  • Hypertension: reduces systolic and diastolic blood pressure in adults.
  • Diabetic nephropathy: slows progression of kidney damage in patients with type 2 diabetes.
  • Left ventricular hypertrophy: helps regress cardiac muscle thickening associated with long‑term high blood pressure.

How It Works

  • Irbesartan selectively blocks angiotensin II type 1 (AT1) receptors, preventing angiotensin II from binding and activating these receptors. This inhibition leads to vasodilation, reduced aldosterone secretion, decreased sodium and water retention, and ultimately lower systemic vascular resistance and blood pressure.

Side Effects

Common Side Effects

  • Dizziness: sensation of light‑headedness, especially after standing.
  • Headache: mild to moderate pain in the head region.
  • Fatigue: feeling unusually tired or weak.
  • Upper respiratory tract infection: cold‑like symptoms.

Serious or Rare Side Effects

  • Angioedema: swelling of the face, lips, tongue or throat that may impair breathing.
  • Hyperkalaemia: elevated blood potassium levels that can affect heart rhythm.
  • Acute kidney injury: sudden decline in renal function requiring medical attention.

Precautions & Warnings

Irbesartan should be used with careful monitoring in several clinical situations.

  • Renal function monitoring: check serum creatinine and eGFR before and during therapy.
  • Serum potassium monitoring: assess potassium levels regularly, especially if combined with potassium‑sparing agents.
  • Pregnancy avoidance: contraindicated in pregnancy due to risk of fetal toxicity.
  • Elderly caution: start at lower doses and monitor for hypotension.
  • Drug‑specific contraindication: do not co‑administer with aliskiren in diabetic patients.
  • Store at room temperature: keep in the original container, protect from moisture and direct sunlight.

Avoid Interactions

Irbesartan may interact with several medicines, requiring attention to dosage and monitoring.

Major Interactions (Avoid)

  • Aliskiren (in diabetic patients): increased risk of renal impairment and hyperkalaemia.
  • Potassium‑sparing diuretics or supplements: may cause dangerous hyperkalaemia.
  • ACE inhibitors: combined use can lead to excessive potassium rise and renal dysfunction.
  • Lithium: may increase lithium concentrations, risking toxicity.
  • NSAIDs (high dose or chronic use): can reduce antihypertensive effect and impair renal function.

Moderate Interactions (Monitor Closely)

  • Thiazide diuretics: may enhance antihypertensive effect, requiring blood pressure monitoring.
  • CYP450 inhibitors (e.g., fluconazole): can increase irbesartan plasma levels modestly.

Frequently Asked Questions

Karvea contains irbesartan, which is prescribed to lower high blood pressure (hypertension) and to slow the progression of kidney damage in adults with diabetic nephropathy. It may also be used to manage left ventricular hypertrophy associated with long‑term hypertension.

Irbesartan blocks the angiotensin II type 1 (AT1) receptors, preventing angiotensin II from causing blood vessels to constrict and from stimulating aldosterone release. This results in vasodilation, reduced sodium and water retention, and ultimately lower blood pressure and decreased stress on the kidneys.

The specific dose of Karvea is determined by the prescribing healthcare professional based on the individual’s medical condition, response to therapy, and other factors. Patients should follow the prescriber’s instructions and not adjust the dose on their own.

Karvea is classified as pregnancy category D, indicating evidence of risk to the fetus. It should be avoided during pregnancy. Limited data are available for breastfeeding, and the potential for drug transfer into breast milk exists, so use should be discussed with a healthcare provider.

To request Karvea, 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.

Karvea (irbesartan) belongs to the ARB class, which is often preferred over ACE inhibitors when patients experience cough or angioedema. Compared with calcium‑channel blockers, ARBs have a different mechanism focused on the renin‑angiotensin system, offering similar blood‑pressure control with a distinct side‑effect profile.

Karvea tablets should be stored at room temperature, below 25 °C, in the original packaging to protect them from moisture and light. Keep the container tightly closed and out of reach of children.

Karvea is taken orally, usually once daily, with or without food, as directed by the prescriber. Swallow the tablet whole with a glass of water; do not crush or chew unless specifically instructed.

Serious risks include angioedema (swelling of the face, lips, tongue or throat), hyperkalaemia (elevated potassium levels), and acute kidney injury. Patients should seek immediate medical attention if they notice swelling, difficulty breathing, sudden loss of kidney function, or abnormal blood‑test results.

Karvea should not be used by individuals who are pregnant, have known hypersensitivity to irbesartan or any ARB, or are taking aliskiren if they have diabetes. Caution is also advised for patients with severe renal impairment or high serum potassium levels.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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