Black Health
ACE inhibitor Hypertension Heart failure Post-MI Diabetic kidney disease

Lisinopril (Prinivil, Zestril, Qbrelis) and Black patients

Brand names: Prinivil, Zestril, Qbrelis

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What Lisinopril does

Lisinopril is an angiotensin-converting enzyme (ACE) inhibitor used to lower blood pressure, treat heart failure, protect the kidneys in people with diabetes, and improve survival after a heart attack. It works by blocking the enzyme that makes angiotensin II, a hormone that narrows blood vessels. When that enzyme is blocked, blood vessels relax and blood pressure drops.

Lisinopril is taken once a day by mouth and is one of the most commonly prescribed blood-pressure medications in the United States.

What the evidence says for Black patients

The 2017 ACC/AHA hypertension guideline (Whelton et al., Hypertension 2018;71:e13–e115) recommends that Black adults without chronic kidney disease be started on a thiazide diuretic or a calcium-channel blocker rather than an ACE inhibitor when treating hypertension. This recommendation rests on two pillars of evidence:

  • Reduced blood-pressure-lowering effect. Multiple randomized trials and meta-analyses show that ACE inhibitors lower systolic blood pressure roughly 4–5 mm Hg less in Black patients than in white patients when used as monotherapy. The Wright et al. analysis of the AASK trial (JAMA 2002;288:2421–31, PMID 12435255) and Flack et al. (Hypertension 2010;56:780–800) summarize the gap.
  • Higher risk of angioedema. Black patients experience ACE-inhibitor angioedema at roughly 2–4 times the rate of non-Black patients. Brown et al. (JAMA Intern Med 1996;156:1937–42) and the ONTARGET/TRANSCEND safety data confirm this. Angioedema can cause life-threatening airway swelling and is the single most important race-specific safety signal for this drug class.

The guideline carves out an important exception: when a Black patient has chronic kidney disease with proteinuria, or heart failure with reduced ejection fraction, an ACE inhibitor (or an ARB) is still first-line because the kidney- and heart-protective effects outweigh the smaller BP-lowering effect. The AASK trial (African American Study of Kidney Disease and Hypertension; Agodoa et al., JAMA 2001;285:2719–28, PMID 11386927) established ramipril as superior to amlodipine for slowing CKD progression in Black adults with hypertensive kidney disease, and that result generalizes to lisinopril.

Common alternatives

For Black adults with uncomplicated hypertension, guideline-preferred first-line agents are:

  • Thiazide-type diuretics — chlorthalidone or indapamide, with strong outcome data in Black participants from the ALLHAT trial (JAMA 2002;288:2981–97, PMID 12479763).
  • Calcium-channel blockers — amlodipine is the best-studied; also strongly supported by ALLHAT.
  • Angiotensin-receptor blockers (ARBs) such as losartan can be used if an ACE inhibitor is otherwise indicated but has caused cough or angioedema. ARB-associated angioedema is less common than with ACE inhibitors, but not zero, and cross-reactivity has been reported.

Side effects

  • Dry cough (5–20 percent; mechanism is bradykinin accumulation)
  • Elevated potassium — check a metabolic panel within 2–4 weeks of starting
  • Rise in creatinine (a small rise is expected; a large rise suggests renal-artery stenosis)
  • Dizziness or low blood pressure, especially with the first dose
  • Angioedema — rapid swelling of lips, tongue, face, or throat. Seek emergency care. Stop the drug permanently if this happens.
  • Fetal toxicity — never use in pregnancy (Category D / contraindicated)

Factors that affect adherence

Cough is the most common reason Black patients discontinue ACE inhibitors. If a patient is already tolerating lisinopril well, switching is rarely necessary. If a cough develops, an ARB (losartan, valsartan) is usually tolerated without it. Generic lisinopril is on the $4 list at most large pharmacies and is covered with minimal copay by virtually every Medicaid program and Medicare Part D plan — cost is not usually a barrier.

Questions to ask your doctor

Bring this list to your next appointment.

  • Given my race, kidney function, and other conditions, is lisinopril still the right first-line choice for me, or should we consider a thiazide or a CCB?
  • What's my target blood pressure, and how will we decide if this medication is working?
  • When will I come back for a potassium and creatinine check?
  • If I develop a cough, what will we switch to?
  • What are the specific signs of angioedema you want me to watch for?

References

  1. Whelton PK, Carey RM, Aronow WS, et al. 2017 ACC/AHA/AAPA/ABC/ACPM/AGS/APhA/ASH/ASPC/NMA/PCNA Guideline for the Prevention, Detection, Evaluation, and Management of High Blood Pressure in Adults. Hypertension. 2018;71:e13–e115. DOI: 10.1161/HYP.0000000000000065.
  2. Wright JT Jr, Dunn JK, Cutler JA, et al. Outcomes in hypertensive black and nonblack patients treated with chlorthalidone, amlodipine, and lisinopril. JAMA. 2005;293:1595–1608. PMID 15811979.
  3. ALLHAT Officers. Major outcomes in high-risk hypertensive patients randomized to angiotensin-converting enzyme inhibitor or calcium channel blocker vs diuretic. JAMA. 2002;288:2981–2997. PMID 12479763.
  4. Wright JT Jr, Bakris G, Greene T, et al. Effect of blood pressure lowering and antihypertensive drug class on progression of hypertensive kidney disease (AASK). JAMA. 2002;288:2421–2431. PMID 12435255.
  5. Brown NJ, Ray WA, Snowden M, Griffin MR. Black Americans have an increased rate of angiotensin converting enzyme inhibitor-associated angioedema. JAMA Intern Med. 1996;156:1937–1942.
  6. U.S. Food and Drug Administration. Prinivil (lisinopril) label. https://www.accessdata.fda.gov/drugsatfda_docs/label/2014/019777s061lbl.pdf

Medical disclaimer

This page is patient education, not prescribing guidance. It summarizes the published evidence about how this medication has been studied in Black patients — it is not a substitute for the judgment of your personal clinician. Never start, stop, or change a prescription based on something you read here. If you have questions about your medication, call your prescriber or pharmacist. For emergencies, call 911.

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