Product image of Karbicombi (Hydrochlorothiazide, Candesartan Cilexetil) supplied by GNH India

Karbicombi

Active Ingredient:
Hydrochlorothiazide, Candesartan Cilexetil
Origin:
EU

Karbicombi (Hydrochlorothiazide, Candesartan Cilexetil)

Hydrochlorothiazide and Candesartan cilexetil, the active ingredients in Karbicombi, are a thiazide diuretic and an angiotensin II receptor blocker presented as an oral tablet for oral use. They treat hypertension in adult patients by reducing blood pressure through combined diuretic and vasodilatory effects. The combination is indicated for the management of high blood pressure and is often used when monotherapy does not achieve target levels.

GNH India supplies Karbicombi as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide, providing reliable sourcing and regulatory support for global health programs.

Manufacturer / TM Owner

Krka, D.D., Novo Mesto

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Indications & Clinical Uses

Karbicombi is used to lower elevated blood pressure by acting on the renin‑angiotensin system and promoting diuresis.

  • Essential hypertension: reduces systolic and diastolic pressure in patients with primary high blood pressure.
  • Stage 1 hypertension: helps achieve target blood pressure when lifestyle measures are insufficient.
  • Stage 2 hypertension: provides additional control for patients requiring more than one antihypertensive agent.

How It Works

  • Hydrochlorothiazide inhibits sodium‑chloride reabsorption in the distal convoluted tubule, increasing urinary sodium and water excretion. Candesartan cilexetil is an angiotensin II type 1 (AT₁) receptor antagonist that blocks the vasoconstrictive and aldosterone‑secreting effects of angiotensin II. The combined actions produce vasodilation, reduced plasma volume, and lower systemic vascular resistance, resulting in a synergistic decrease in arterial blood pressure.

Side Effects

Like all antihypertensive agents, Karbicombi may cause adverse reactions that vary in frequency and severity.

Common Side Effects

  • Dizziness: light‑headedness especially after standing.
  • Headache: mild to moderate intensity.
  • Increased urination: due to diuretic effect.
  • Electrolyte imbalance: such as low potassium or sodium.
  • Fatigue: general tiredness.
  • Mild gastrointestinal discomfort: nausea or abdominal pain.

Serious or Rare Side Effects

  • Severe dehydration: marked fluid loss requiring medical attention.
  • Hyperkalemia: elevated potassium levels that can affect heart rhythm.
  • Angioedema: swelling of face, lips, tongue or throat.
  • Acute kidney injury: sudden decline in renal function.
  • Severe hypotension: dangerously low blood pressure.
  • Pancreatitis: inflammation of the pancreas.

Precautions & Warnings

When prescribing Karbicombi, clinicians should consider several safety precautions to minimize risk.

  • Monitor electrolytes: check sodium and potassium levels regularly.
  • Assess renal function: evaluate creatinine and eGFR before and during therapy.
  • Use caution in elderly: increased sensitivity to blood pressure changes.
  • Avoid abrupt discontinuation: taper to prevent rebound hypertension.
  • Contraindicated in severe renal impairment: do not use in patients with markedly reduced kidney function.
  • Store at room temperature: keep in the original packaging, protect from moisture and light.

Avoid Interactions

Karbicombi can interact with other medicines, altering its efficacy or safety profile.

Major Interactions (Avoid)

  • ACE inhibitors or other ARBs: combined use may cause excessive potassium rise and renal dysfunction.
  • Aliskiren: concurrent use increases risk of hypotension and kidney injury.
  • Potassium‑sparing diuretics or supplements: may lead to dangerous hyperkalemia.

Moderate Interactions (Monitor Closely)

  • NSAIDs: can reduce antihypertensive effect and affect kidney function.
  • Other antihypertensives: may enhance blood pressure lowering, requiring dose adjustment.

Frequently Asked Questions

Karbicombi is prescribed to treat hypertension, helping to lower elevated systolic and diastolic blood pressure in adult patients. It combines a thiazide diuretic with an angiotensin II receptor blocker to provide a synergistic antihypertensive effect, especially when single‑agent therapy does not achieve target blood pressure levels.

Hydrochlorothiazide reduces blood volume by blocking sodium‑chloride reabsorption in the distal tubule, promoting diuresis. Candesartan cilexetil blocks AT₁ receptors, preventing angiotensin II‑mediated vasoconstriction and aldosterone release. Together they decrease peripheral resistance and plasma volume, producing a combined reduction in arterial pressure.

The dose of Karbicombi is individualized by the prescribing clinician based on the patient’s blood pressure, renal function, electrolyte status, and response to therapy. No fixed regimen is provided here; the prescriber will select the appropriate strength and dosing schedule according to clinical guidelines.

Safety data for Karbicombi in pregnancy and lactation are limited. Candesartan is generally contraindicated in the second and third trimesters, and thiazide diuretics are used with caution. Women who are pregnant, planning pregnancy, or breastfeeding should discuss alternatives with their healthcare professional.

To request Karbicombi, 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 (including any cold‑chain requirements) and necessary import documentation.

Karbicombi offers a fixed‑dose combination of a thiazide diuretic and an ARB, which can simplify regimens and improve adherence compared with taking separate agents. Compared with ACE inhibitors, it avoids cough and angioedema risk, while providing similar blood‑pressure control. It may be preferred when a patient needs both diuretic and renin‑angiotensin blockade.

Karbicombi tablets should be stored at room temperature, below 25 °C, in the original container to protect them from moisture and light. Do not store in areas of high humidity or near heat sources, and keep out of reach of children.

Karbicombi is taken orally, usually once daily, with or without food as directed by the prescriber. The tablet should be swallowed whole with a full glass of water. Patients should follow the dosing schedule provided by their healthcare professional and not alter the regimen without medical advice.

Serious adverse events include severe dehydration, hyperkalemia, angioedema, acute kidney injury, and profound hypotension. These conditions require immediate medical attention. Regular monitoring of electrolytes, renal function, and blood pressure helps mitigate these risks.

Karbicombi should be avoided in patients with severe renal impairment, known hypersensitivity to either component, or those taking contraindicated medications such as aliskiren in combination with an ARB. Caution is also advised for individuals with a history of angioedema, hyperkalemia, or significant electrolyte disturbances.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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