Olmesartan/Amlodipino/Hidroclorotiazida Lacer (Olmesartan Medoxomil, Amlodipine, Hydrochlorothiazide)

Olmesartan/Amlodipino/Hidroclorotiazida Lacer is indicated for hypertension and related cardiovascular risk management.

• Hypertension: provides additional blood pressure reduction when monotherapy is insufficient.
• Hypertensive heart disease: helps lower cardiac after‑load and improve ventricular function.
• Chronic kidney disease with hypertension: assists in slowing progression of renal impairment associated with high blood pressure.

• The combination product works through three complementary mechanisms: olmesartan medoxomil blocks the angiotensin II type 1 receptor, preventing vasoconstriction and aldosterone release; amlodipine inhibits calcium influx into vascular smooth‑muscle cells, producing arterial vasodilation; and hydrochlorothiazide promotes renal excretion of sodium and water, reducing plasma volume. Together these actions lower systemic vascular resistance and cardiac output, resulting in a sustained decrease in blood pressure.

Adverse reactions may vary in frequency and severity.

Common Side Effects

• Headache: mild to moderate intensity.
• Peripheral edema: swelling of the lower limbs.
• Dizziness or light‑headedness, especially on standing.
• Flushing: transient warmth or redness of the skin.
• Fatigue: general feeling of tiredness.
• Increased urination: due to the diuretic component.

Serious or Rare Side Effects

• Angio‑edema: swelling of the face, lips, tongue or airway.
• Severe hypotension: marked drop in blood pressure causing fainting.
• Electrolyte disturbances: significant changes in potassium or sodium levels.
• Acute kidney injury: sudden reduction in renal function.
• Hepatic dysfunction: abnormal liver enzyme elevations.
• Blood dyscrasias: rare blood cell abnormalities.

When prescribing this combination, clinicians should consider several safety aspects.

• Renal function monitoring: assess baseline creatinine and eGFR before initiation and periodically thereafter.
• Electrolyte balance: check serum potassium and sodium, especially when combined with other diuretics.
• Pregnancy contraindication: avoid use in pregnancy due to fetal toxicity.
• Elderly patients: start at lower dose and monitor for orthostatic hypotension.
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