Indications
Olmesartan is indicated for the treatment of mild to moderate essential hypertension. Olmesartan may be used alone or in combination with thiazide diuretic.
Therapeutic Class
Angiotensin-ll receptor blocker
Pharmacology
Olmesartan medoxomil is a potent, orally active, selective angiotensin II receptor (type AT1) antagonist. It is expected to block all actions of angiotensin II mediated by the AT1 receptor, regardless of the source or route of synthesis of angiotensin II. The selective antagonism of the angiotensin II (AT1) receptors results in increases in plasma renin levels and angiotensin I and II concentrations, and some decrease in plasma aldosterone concentrations. Angiotensin II is the primary vasoactive hormone of the renin-angiotensin- aldosterone system (RAAS) and plays a significant role in the pathophysiology of hypertension via the type 1 (AT1) receptor.
Dosage & Administration
Adult:Â Dosage must be individualized. The usual initial dose is 10 mg once daily. In patients whose blood pressure is not adequately controlled at this dose, the dose may be increased to 20 mg once daily as the optimal dose. For patients requiring further reduction in blood pressure after 2 weeks of therapy, the dose of Olmesartan may be increased to 40 mg. Doses above 40 mg do not appear to have greater effect.Pediatric Use: Safety and effectiveness in pediatric patients have not been established.
Geriatric Use: Of the total number of hypertensive patients receiving Olmesartan Medoxomil in clinical studies, more than 20% were 65 years of age and over, while more than 5% were 75 years of age and older. No overall differences in effectiveness or safety were observed between elderly patients and younger patients.
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