Irbesartan And Hydrochlorothiazide Bristol

Irbesartan, the active ingredient in Irbesartan And Hydrochlorothiazide Bristol, is an angiotensin II receptor blocker presented as an oral tablet for oral use. It works to lower blood pressure in adults with hypertension, often combined with the thiazide diuretic hydrochlorothiazide for enhanced effect. The combination is indicated for patients who require both vasodilation and diuresis to achieve target blood pressure levels.

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Irbesartan/hydrochlorothiazide is used in the management of hypertension, acting on the renin‑angiotensin system and renal sodium handling.

Hypertension: lowers blood pressure in adults with essential hypertension, often when monotherapy is insufficient. Fluid retention associated with hypertension: provides a diuretic effect to reduce excess fluid volume, enhancing blood pressure control. Renal protection in hypertensive patients: helps reduce proteinuria by lowering intraglomerular pressure.

Common Side Effects: - Dizziness or light‑headedness - Headache - Fatigue or weakness - Increased urination - Muscle cramps or weakness - Dry mouth

Serious or Rare Side Effects: - Severe hypotension - Hyperkalemia or electrolyte imbalance - Acute renal impairment or rise in serum creatinine - Angioedema or severe allergic reaction - Blood dyscrasias such as agranulocytosis

Before initiating therapy, consider the following precautions: - Monitor blood pressure: check regularly to avoid excessive lowering. - Assess renal function: evaluate serum creatinine and eGFR prior to and during treatment. - Check electrolytes: especially potassium and sodium levels. - Use with caution in severe hepatic impairment: dose adjustment may be required. - Pregnancy and lactation: safety not established; avoid unless benefits outweigh risks. - Store at ambient temperature: keep below 25°C, retain in original container, protect from moisture.

Irbesartan/hydrochlorothiazide may interact with several medicines.

Major Interactions (Avoid): - Potassium‑sparing diuretics or supplements: risk of hyperkalemia. - ACE inhibitors or aliskiren in diabetic patients: increased risk of renal dysfunction. - Lithium: may raise lithium concentrations. - NSAIDs: can blunt antihypertensive effect and affect renal function.

Moderate Interactions (Monitor Closely): - Other antihypertensives: additive blood‑pressure lowering. - CYP2C9 inhibitors (e.g., fluconazole): may increase irbesartan levels. - Concurrent thiazide diuretics: heightened electrolyte disturbances.