Iperton (Enalapril Maleate, Hydrochlorothiazide)

Iperton is used to manage high blood pressure and related cardiovascular disorders by targeting the renin‑angiotensin system and promoting diuresis.

• Hypertension: lowers systolic and diastolic pressure in patients with primary hypertension.
• Essential hypertension: provides sustained blood pressure control when lifestyle measures are insufficient.
• Heart failure (adjunct therapy): assists in reducing preload and afterload, supporting standard heart‑failure regimens.

• Enalapril maleate inhibits angiotensin‑converting enzyme, decreasing formation of angiotensin II, which leads to vasodilation and reduced aldosterone secretion. Hydrochlorothiazide blocks NaCl reabsorption in the distal convoluted tubule, increasing urinary sodium and water excretion, thereby lowering plasma volume. The combined actions result in a synergistic reduction of systemic vascular resistance and blood volume, effectively lowering arterial pressure.

Iperton may cause a range of adverse reactions, from mild to severe.

Common Side Effects

• Cough: dry, persistent throat irritation.
• Dizziness or light‑headedness, especially when standing.
• Headache.
• Fatigue or weakness.
• Increased urination or electrolyte disturbances (e.g., low potassium).
• Mild gastrointestinal upset such as nausea.

Serious or Rare Side Effects

• Angioedema: swelling of face, lips, tongue, or throat.
• Severe hypotension: markedly low blood pressure.
• Acute kidney injury or worsening renal function.
• Hyperkalemia: elevated blood potassium levels.
• Severe electrolyte imbalance (e.g., hyponatremia).

Before initiating Iperton, consider patient‑specific factors and monitor appropriately.

• Renal function: assess baseline creatinine and eGFR, adjust if impaired.
• Electrolytes: monitor potassium and sodium levels regularly.
• Pregnancy: contraindicated in the second and third trimesters (Category D).
• Concomitant potassium‑sparing agents: avoid to reduce hyperkalemia risk.
• History of angioedema: discontinue if swelling occurs.
• Store at room temperature: keep below 25 °C, retain in original packaging, protect from moisture.

Iperton interacts with several medicines that can amplify or diminish its antihypertensive effect.

Major Interactions (Avoid)

• Angiotensin II receptor blockers (ARBs): combined use may cause excessive hypotension and renal dysfunction.
• Potassium‑sparing diuretics or supplements: risk of dangerous hyperkalemia.
• Lithium: enalapril can increase lithium concentrations, leading to toxicity.
• NSAIDs (e.g., ibuprofen, naproxen): may reduce antihypertensive efficacy and impair renal function.

Moderate Interactions (Monitor Closely)

• Beta‑blockers: additive blood‑pressure lowering effect.
• Antidiabetic agents: thiazide component may raise blood glucose.
• CYP450 inhibitors (e.g., ritonavir): may increase enalapril levels.
• Diuretics (other than thiazides): monitor electrolyte balance.
• Antacids containing aluminum or magnesium: may affect absorption of enalapril.