Lisinopril vs Other Blood Pressure Drugs: A Detailed Comparison

Lisinopril vs Other BP Drugs Comparison Tool
Typical Dose: 10-40 mg once daily
Side Effects: Cough, high potassium, rare angioedema
Benefits: Effective BP control, heart failure treatment
Typical Dose: 50-100 mg once daily
Side Effects: Headache, elevated potassium (rare cough)
Benefits: Alternative for those with ACE-induced cough
Typical Dose: 5-10 mg once daily
Side Effects: Ankle swelling, flushing
Benefits: Good for angina patients
Typical Dose: 12.5-25 mg once daily
Side Effects: Frequent urination, low potassium
Benefits: Often combined with ACE inhibitors
Typical Dose: 5-20 mg twice daily
Side Effects: Dizziness, cough
Benefits: Shorter half-life alternative
Drug | Class | Typical Dose | Once-Daily? | Common Side Effects |
---|---|---|---|---|
Lisinopril | ACE inhibitor | 10-40 mg | Yes | Cough, high potassium, rare angioedema |
Enalapril | ACE inhibitor | 5-20 mg (BID) | No (usually BID) | Dizziness, cough |
Losartan | ARB | 50-100 mg | Yes | Headache, elevated potassium (less cough) |
Amlodipine | Calcium-channel blocker | 5-10 mg | Yes | Swelling of ankles, flushing |
Hydrochlorothiazide | Thiazide diuretic | 12.5-25 mg | Yes | Frequent urination, low potassium |
Key Considerations
- Cost: Generic Lisinopril and Hydrochlorothiazide are often the cheapest options
- Cough: If you experience a persistent dry cough, consider switching to Losartan (ARB)
- Convenience: Once-daily medications like Lisinopril, Losartan, or Amlodipine offer better compliance
- Pregnancy: Avoid ACE inhibitors and ARBs during pregnancy
- Renal Protection: Both ACE inhibitors and ARBs provide kidney benefits
Key Takeaways
- Lisinopril is an ACE inhibitor widely used for hypertension and heart failure.
- Its main alternatives fall into three groups: other ACE inhibitors, ARBs, and non‑ACE drugs like calcium‑channel blockers or diuretics.
- When choosing, consider dose frequency, side‑effect profile, cost, and any existing conditions.
- Most patients tolerate Lisinopril well, but cough and low potassium are common warnings.
- A side‑by‑side table helps spot the best fit for your health goals.
If you’ve ever wondered whether Lisinopril is the right pill for you, you’re not alone. Millions of people with high blood pressure (hypertension) face the same question every time a new prescription is written. Below you’ll get a clear picture of what Lisinopril does, how it stacks up against other popular options, and which factors should guide your choice.
What is Lisinopril?
Lisinopril is a prescription drug that belongs to the class of angiotensin‑converting enzyme (ACE) inhibitors. It was first approved by the FDA in 1987 and quickly became a go‑to for treating hypertension and chronic heart failure. By blocking the enzyme that narrows blood vessels, Lisinopril lets arteries stay relaxed, making it easier for the heart to pump blood.
How Lisinopril Works
The drug targets the renin‑angiotensin‑aldosterone system (RAAS). Normally, this system creates a hormone called angiotensin II, which tightens blood vessels and raises blood pressure. Lisinopril stops the conversion of angiotensin I to angiotensin II, so the vessels stay dilated and blood pressure drops. This mechanism also reduces the workload on the heart, which is why doctors often prescribe it after a heart attack.

Main Benefits and Typical Dosing
Most adults start with 10mg once daily, adjusting up to 40mg if needed. Because it’s taken once a day, compliance is high. Benefits include:
- Effective blood‑pressure control in up to 80% of patients.
- Reduced risk of stroke and kidney damage.
- Proven mortality benefit for heart‑failure patients.
Common Side Effects & Warnings
Like any medication, Lisinopril isn’t free of drawbacks. The most frequently reported issues are:
- A persistent dry cough (affects 5‑10% of users).
- Elevated blood potassium (hyper‑kalaemia), especially when combined with potassium‑saving diuretics.
- Rare but serious: angio‑edema, a swelling of lips or throat that can block breathing.
Pregnant women should avoid ACE inhibitors because they can harm the developing fetus. Always tell your doctor about other meds, especially NSAIDs or potassium supplements.
Other ACE Inhibitors: Close Relatives
If you like the idea of an ACE inhibitor but need a different dosage or cost option, several alternatives exist.
Enalapril is a half‑life shorter than Lisinopril, usually started at 5mg twice daily.
Ramipril offers a once‑daily regimen similar to Lisinopril but is sometimes preferred for its kidney‑protective data.
Benazepril is metabolized into an active form that lasts 24hours, making it another once‑daily choice.
Captopril was the first ACE inhibitor on the market; it requires multiple daily doses and is less convenient for most patients.

Non‑ACE Alternatives: Different Mechanisms
When ACE inhibitors aren’t tolerated (e.g., cough), doctors turn to other drug families.
Losartan belongs to the angiotensin‑II receptor blocker (ARB) class. It blocks the same hormone downstream instead of preventing its formation, so cough is rare.
Amlodipine is a calcium‑channel blocker that relaxes arterial smooth muscle, often used when patients also have angina.
Hydrochlorothiazide is a thiazide diuretic that lowers blood volume, frequently combined with an ACE inhibitor for additive effect.
Side‑by‑Side Comparison
Drug | Class | Typical Dose | Once‑Daily? | Common Side Effects |
---|---|---|---|---|
Lisinopril | ACE inhibitor | 10‑40mg | Yes | Cough, high potassium, rare angio‑edema |
Enalapril | ACE inhibitor | 5‑20mg (BID) | No (usually BID) | Dizziness, cough |
Losartan | ARB | 50‑100mg | Yes | Headache, elevated potassium (less cough) |
Amlodipine | Calcium‑channel blocker | 5‑10mg | Yes | Swelling of ankles, flushing |
Hydrochlorothiazide | Thiazide diuretic | 12.5‑25mg | Yes | Frequent urination, low potassium |
How to Choose the Right Medication
Think of drug selection as a checklist rather than a gamble. Ask yourself:
- Do I have any conditions that limit a class? For example, pregnancy rules out ACE inhibitors and ARBs.
- Can I tolerate a once‑daily pill? If you struggle with multiple doses, Lisinopril, Losartan, or Amlodipine are convenient.
- What side effects concern me most? If a dry cough would bother you, switch to an ARB like Losartan.
- Is cost a factor? Generic Lisinopril and Hydrochlorothiazide are often the cheapest options.
- Do I need extra protection for my kidneys? ACE inhibitors and ARBs both provide renal benefits, but ACE inhibitors have more data on heart‑failure outcomes.
Talk with your clinician about these points. Many doctors start with Lisinopril because of its proven track record, then adjust if you hit a snag.
Frequently Asked Questions
Can I take Lisinopril and a diuretic together?
Yes. Combining Lisinopril with a thiazide diuretic like Hydrochlorothiazide is a common strategy to achieve better blood‑pressure control. Your doctor will monitor potassium levels closely.
What should I do if I develop a persistent cough?
A dry cough is a classic ACE‑inhibitor side effect. Talk to your prescriber; they may switch you to an ARB such as Losartan, which rarely causes cough.
Is Lisinopril safe for older adults?
Generally yes, but kidney function tends to decline with age, so doctors usually start at a lower dose (5mg) and check blood work after a few weeks.
Can I use Lisinopril during pregnancy?
No. ACE inhibitors are linked to birth defects and low amniotic fluid. If you become pregnant, your doctor will switch you to a safer option, often a methyldopa or labetalol.
How quickly does Lisinopril lower blood pressure?
Most patients see a measurable drop within 2‑4 weeks of starting therapy, with the full effect appearing after about 6 weeks.
What are the cost differences between Lisinopril and its alternatives?
Generic Lisinopril typically costs $0.10‑$0.15 per tablet in the U.S. Generic Enalapril and Losartan are similar, while brand‑name versions can be $1‑$2 per tablet. Amlodipine and Hydrochlorothiazide are also inexpensive generics.
Armed with these facts, you can have a more informed conversation with your healthcare provider. Whether you stay on Lisinopril or switch to a cousin drug, the goal remains the same: keep your blood pressure in a healthy range and protect your heart for the long run.
Ian Banson
October 5, 2025 AT 18:29Look, the UK NICE guidelines actually suggest starting many patients on a thiazide before moving to an ACE inhibitor, yet the US market pushes Lisinopril like it’s the only answer. The data shows comparable BP reduction with far less cough incidence when you use a low‑dose thiazide combined with a potassium‑sparing agent. Plus the cost factor – a generic Lisinopril tablet still costs more than a bulk pack of Hydrochlorothiazide in most British pharmacies. If you’re aiming for renal protection, an ARB such as Losartan can give you the same benefits without the cough, and it’s just as cheap. So before you jump on the Lisinopril bandwagon, weigh the local formulary and patient tolerability profiles.