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 systemic use. They are used to lower elevated blood pressure in adults.

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

Manufacturer / TM Owner

Krka-Farma D.O.O.

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Indications & Clinical Uses

Karbicombi combines a thiazide diuretic and an angiotensin II receptor blocker to treat hypertension.

  • Essential hypertension: helps achieve target systolic and diastolic blood pressure levels.
  • Secondary hypertension: provides additional blood‑pressure control when underlying causes are addressed.
  • Hypertension in patients with diabetes: offers effective pressure reduction while minimizing metabolic side effects.

How It Works

  • Hydrochlorothiazide blocks Na⁺/Cl⁻ reabsorption in the distal convoluted tubule, increasing urinary sodium and water excretion, which reduces plasma volume. Candesartan cilexetil is converted to candesartan, an AT₁‑receptor antagonist that prevents angiotensin II‑mediated vasoconstriction and aldosterone release. The dual action lowers peripheral resistance and cardiac preload, producing a synergistic antihypertensive effect.

Side Effects

Common Side Effects

  • Dizziness or light‑headedness
  • Headache
  • Increased urination
  • Electrolyte disturbances (e.g., low potassium, low sodium)
  • Fatigue
  • Mild cough

Serious or Rare Side Effects

  • Severe dehydration or electrolyte imbalance
  • Acute kidney injury
  • Hyperkalemia
  • Angioedema (swelling of face, lips, tongue)
  • Hepatic dysfunction
  • Severe hypotension

Precautions & Warnings

Karbicombi should be used with clinical monitoring and awareness of patient‑specific factors.

  • Electrolyte monitoring: check potassium and sodium levels regularly.
  • Renal function: assess creatinine and eGFR before and during therapy.
  • Hepatic impairment: use with caution in patients with severe liver disease.
  • Gout: thiazide component may increase serum uric acid; monitor gout patients.
  • Pregnancy and lactation: consult a physician before use.
  • Store at room temperature: keep in the original container, protect from moisture and direct sunlight.

Avoid Interactions

Karbicombi may interact with several medicines; some require avoidance while others need close monitoring.

Major Interactions (Avoid)

  • Potassium supplements or potassium‑sparing diuretics: risk of hyperkalemia.
  • ACE inhibitors or other ARBs: additive effect on potassium and renal function.
  • Lithium: increased lithium levels and toxicity.

Moderate Interactions (Monitor Closely)

  • NSAIDs: may reduce antihypertensive efficacy and affect renal function.
  • Beta‑blockers: may enhance blood‑pressure lowering effect, requiring dose adjustment.

Frequently Asked Questions

Karbicombi is prescribed to lower elevated blood pressure in adults. It combines a thiazide diuretic with an angiotensin II receptor blocker, providing complementary mechanisms that help achieve target blood‑pressure goals in patients with essential or secondary hypertension.

Hydrochlorothiazide inhibits sodium and chloride reabsorption in the distal convoluted tubule of the kidney, promoting diuresis. The resulting loss of fluid reduces plasma volume, which contributes to a decrease in blood pressure when used together with the ARB component.

The specific dose of Karbicombi is determined by the prescribing clinician based on the patient’s blood‑pressure readings, renal function, and overall health status. Dosage adjustments are made individually; patients should follow the prescriber’s instructions and not alter the dose on their own.

Safety of Karbicombi in pregnancy or while breastfeeding has not been fully established. Women who are pregnant, planning pregnancy, or nursing should discuss potential risks and benefits with their healthcare provider before starting or continuing therapy.

To order 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 and any necessary import documentation.

Karbicombi offers a dual mechanism by pairing a thiazide diuretic with an ARB, which can provide more consistent blood‑pressure control than monotherapy with either class alone. Compared with ACE inhibitors, ARBs have a lower incidence of cough, and the thiazide component adds diuretic benefit without the metabolic effects of some other diuretics.

Karbicombi tablets should be stored at room temperature, below 25 °C. Keep them in the original packaging, protect from moisture and direct sunlight, and ensure they are out of reach of children.

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

Serious risks include severe dehydration, electrolyte imbalances such as hyperkalemia, acute kidney injury, angioedema, and marked hypotension. Patients should be educated to recognize symptoms like swelling of the face or throat, sudden dizziness, or drastic drops in blood pressure and seek medical attention promptly.

Karbicombi is contraindicated in patients with known hypersensitivity to either component, severe renal impairment, severe hepatic disease, or in those taking other potassium‑sparing agents that could cause dangerous hyperkalemia. It should also be used with caution in individuals with a history of gout or electrolyte disorders.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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