Product image of Irbesartan + Hidroclorotiazida Pharmakern (Hydrochlorothiazide, Irbesartan) supplied by GNH India

Irbesartan + Hidroclorotiazida Pharmakern

Active Ingredient:
Hydrochlorothiazide, Irbesartan
Origin:
EU

Irbesartan + Hidroclorotiazida Pharmakern (Hydrochlorothiazide, Irbesartan)

Irbesartan, the active ingredient in Irbesartan + Hydrochlorothiazide Pharmakern, is an angiotensin II receptor blocker presented as a combination tablet for oral use. It helps control high blood pressure in adult patients.

GNH India supplies Irbesartan + Hydrochlorothiazide Pharmakern as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.

Manufacturer / TM Owner

Pharmakern Portugal – Produtos Farmacêuticos, Sociedade Unipessoal, Lda.

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Indications & Clinical Uses

Irbesartan/Hydrochlorothiazide is used in the management of cardiovascular conditions related to elevated blood pressure.

  • Essential hypertension: lowers systolic and diastolic blood pressure.
  • Secondary hypertension due to renal disease: improves blood pressure control.
  • High‑risk cardiovascular patients with hypertension: reduces the risk of stroke and myocardial infarction.

How It Works

  • Irbesartan selectively blocks AT1 receptors, preventing angiotensin II‑mediated vasoconstriction and aldosterone release, which lowers systemic vascular resistance. Hydrochlorothiazide inhibits NaCl reabsorption in the distal convoluted tubule, promoting diuresis and reducing plasma volume. The combined actions result in a synergistic reduction of blood pressure.

Side Effects

Common Side Effects

  • Dizziness or light‑headedness.
  • Headache.
  • Increased urination or mild dehydration.
  • Electrolyte disturbances such as low potassium.

Serious or Rare Side Effects

  • Severe dehydration or electrolyte imbalance requiring medical attention.
  • Angioedema or severe allergic reaction.
  • Acute kidney injury or significant rise in serum creatinine.
  • Hepatic dysfunction or jaundice.
  • Life‑threatening hypotension.

Precautions & Warnings

Before initiating therapy, clinicians should consider several safety measures.

  • Blood pressure monitoring: check regularly to avoid excessive hypotension.
  • Electrolyte assessment: monitor potassium and sodium levels, especially with diuretic use.
  • Renal function: evaluate baseline creatinine and glomerular filtration rate.
  • Pregnancy: avoid unless benefits outweigh potential risks; discuss with a healthcare professional.
  • Drug interactions: review concomitant medications for additive effects.
  • Store at ambient temperature: keep in original packaging, protect from moisture and direct sunlight.

Avoid Interactions

Irbesartan/Hydrochlorothiazide may interact with several drug classes.

Major Interactions (Avoid)

  • Potassium‑sparing diuretics: risk of hyperkalemia.
  • Lithium: increased lithium toxicity.
  • ACE inhibitors or other ARBs: additive hypotension and renal impairment.
  • NSAIDs: may blunt antihypertensive effect.

Moderate Interactions (Monitor Closely)

  • Other antihypertensives (beta‑blockers, calcium channel blockers): additive blood pressure lowering.
  • CYP2C9 substrates (e.g., warfarin): possible alteration of metabolism.
  • Antidiabetic agents: may require dose adjustment due to changes in glucose control.

Frequently Asked Questions

Irbesartan + Hydrochlorothiazide is a fixed‑dose combination antihypertensive medication indicated for the treatment of hypertension. By lowering both vascular resistance and fluid volume, it helps achieve target blood‑pressure levels in adult patients.

Irbesartan selectively blocks the angiotensin II type 1 (AT1) receptor, preventing angiotensin II‑induced vasoconstriction and aldosterone secretion. This leads to reduced systemic vascular resistance and lower blood pressure.

The appropriate dose is determined by the prescribing clinician based on the patient’s blood‑pressure response, renal function, and overall clinical condition. Dosage adjustments are made according to therapeutic goals and tolerability.

Safety in pregnancy and lactation has not been established. The combination is generally avoided during pregnancy unless the potential benefit justifies the risk. Women who are breastfeeding should consult their healthcare provider before use.

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.

Compared with monotherapy agents such as irbesartan alone, the addition of hydrochlorothiazide provides a diuretic effect that often yields greater blood‑pressure reduction, especially in patients who need volume control. It is similar in efficacy to other ARB‑thiazide combinations like losartan/HCTZ.

Store the tablets at ambient temperature, preferably below 25 °C. Keep them in the original container, protect from moisture and direct sunlight, and ensure the package is tightly closed to maintain product stability.

The medication is taken orally as a tablet, usually once daily. It should be swallowed whole with a glass of water and can be taken with or without food, unless otherwise directed by a healthcare professional.

Serious risks include severe dehydration, marked electrolyte disturbances (especially low potassium), acute kidney injury, angioedema, and life‑threatening hypotension. Patients should seek immediate medical attention if they experience swelling of the face or throat, rapid weight loss, or fainting.

The combination should be avoided in patients with known hypersensitivity to irbesartan or hydrochlorothiazide, severe renal impairment, hyperkalemia, or those who are pregnant unless the benefits outweigh the risks. Clinicians should also assess for contraindications before initiating therapy.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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