Quinapril
Generic Name: Quinapril
Uses & Medical Indications
Treatment of hypertension, heart failure
Hypertension, Heart Failure
Work Mechanism & Pharmacology
Patient Overview of Work Mechanism
Quinapril relaxes tight blood vessels and supports regular cardiac pumping, keeping blood pressure within a healthy range and protecting heart health.
Clinical Mechanism of Action (MoA)
Quinapril lowers elevated blood pressure and relieves myocardial workload by inducing systemic vasodilation, antagonizing adrenergic sympathetic tone, or inhibiting the renin-angiotensin-aldosterone axis.
Dosage & Administration Guidelines
10-20 mg once daily
Not commonly recommended
Start at 10 mg daily
80 mg/day
Start at 5 mg if CrCl 30-60 mL/min, 2.5 mg if < 30 mL/min
No adjustment necessary
Side Effects & Safety Warnings
Dry cough, dizziness, headache, fatigue
Angioedema, hyperkalemia, renal impairment, hypotension
History of angioedema, concurrent use with aliskiren in diabetes
Fetal toxicity if taken during pregnancy
Interactions (Drugs, Food & Alcohol)
Potassium supplements, ARBs, aliskiren, NSAIDs, lithium
High fat meals may reduce absorption
Increases hypotensive effects
Pregnancy & Breastfeeding Safety
Boxed warning: fetal toxicity. Discontinue immediately if pregnant.
Excreted in human milk; use caution
Patient Counseling & Practical Advice
Report persistent dry cough or swelling of face/lips. Avoid salt substitutes containing potassium.
Take as soon as remembered. Skip if near next dose.
Blood pressure, renal function, potassium levels
Related Medicines in ACE Inhibitors
When to Seek Urgent Medical Attention
Seek immediate emergency medical care (call emergency services or proceed to the nearest emergency department) if you experience signs of a life-threatening allergic reaction (anaphylaxis: facial, lip, tongue, or throat swelling causing airway obstruction), severe cutaneous blistering with skin peeling, sudden intense chest pain, or symptoms of overdose.
Content for Quinapril was synthesized from standardized public health monographs, official pharmacopoeias, and health authorities:
- Central Drugs Standard Control Organization (CDSCO) — National List of Essential Medicines
- World Health Organization (WHO) — Model List of Essential Medicines
- Indian Pharmacopoeia Commission (IPC) — Indian Pharmacopoeia Drug Monographs
- National Health Service (NHS) — Medicines A to Z Clinical Guidelines
The information provided on this website is for educational purposes only and is not intended as a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of a qualified healthcare provider with any questions you may have regarding a medical condition.