Irbesartan

Irbesartan is a prescription blood pressure medicine belonging to the class of angiotensin II receptor antagonists. It relaxes blood vessels and lowers blood pressure, making it easier for the heart to pump. It is also used to protect kidney function in patients with type 2 diabetes and hypertension.

Price range: $62.99 through $69.58

Please note: a valid prescription is required for all prescription medication.

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Irbesartan works by blocking the action of angiotensin II at its receptor sites. Angiotensin II normally causes blood vessels to constrict and stimulates aldosterone release (retaining salt/water). By blocking this pathway, irbesartan relaxes blood vessels and reduces fluid retention, lowering blood pressure and reducing strain on organs.
It is often prescribed in:
  • Essential hypertension (high blood pressure)
  • Hypertensive patients with type 2 diabetes and kidney (renal) impairment, where kidney protection is desired
Combination tablets with hydrochlorothiazide add a mild diuretic effect to boost blood pressure reduction.

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What is Irbesartan used for? +
It is used to treat high blood pressure and to protect kidney function in hypertensive patients with type 2 diabetes.
Why use the combination with hydrochlorothiazide? +
Adding a low-dose diuretic (hydrochlorothiazide) can enhance blood pressure lowering when monotherapy is insufficient.
How soon does Irbesartan work? +
Effects on lowering blood pressure usually become apparent within a week; maximum benefit often needs 4–6 weeks.
Can I stop it if my blood pressure is normal? +
No — stopping treatment may lead to rebound hypertension. Always consult your physician before stopping.
Is monitoring needed? +
Yes — periodic checks of kidney function, potassium, and electrolytes are advised.
Can I take it during pregnancy? +
No, Irbesartan is contraindicated in the second and third trimesters of pregnancy due to risk to the fetus.
What should I do if I miss a dose? +
Take as soon as remembered unless it’s near the next scheduled dose. Don’t take two at once.
Are there interactions with potassium supplements? +
Yes — using potassium supplements concurrently can lead to dangerously high potassium. Monitoring is critical.
What if I feel dizzy when I stand up? +
That may be a sign of blood pressure drop. Get up slowly, and discuss with your doctor if it persists.
How can I buy Irbesartan online? +
You can buy any of the stocked formulations (150 mg, 300 mg, or combination with 12.5 mg HCT) online with a valid prescription.

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