Lisinopril nursing considerations
Lisinopril's nursing considerations are to monitor potassium and kidney function, watch the blood pressure after the first dose, and know the two teaching red flags: a dry hacking cough (bothersome, report it) and facial or tongue swelling (angioedema, an airway emergency). Avoid potassium salt substitutes and do not use it in pregnancy.
What lisinopril does, and why the NCLEX tests it
Lisinopril is an ACE inhibitor (suffix -pril). It blocks the enzyme that converts angiotensin I into angiotensin II, so blood vessels relax and the body holds onto less sodium and water. That lowers blood pressure and protects the heart and kidneys, which is why it is used in hypertension, heart failure, and diabetic kidney disease. The exam tests the cough, angioedema, and high potassium.
Key nursing considerations for lisinopril
Swelling of the face, lips, tongue, or throat can close the airway. Stop the drug and notify immediately.
A persistent dry, hacking cough from bradykinin is common and harmless but bothersome, and it is a reason to switch to an ARB.
ACE inhibitors raise potassium. Monitor the level and avoid potassium-based salt substitutes.
Blood pressure can drop with the first dose. Monitor it and have the patient rise slowly.
ACE inhibitors are teratogenic and contraindicated in pregnancy.
How the NCLEX turns lisinopril into a question
Report facial or tongue swelling as the priority (angioedema); a persistent dry cough means call the provider.
Priority for angioedema, stop the drug, protect the airway, and notify the provider.
Lab potassium (watch for hyperkalemia) and kidney function; blood pressure for first-dose hypotension.
Teach a dry cough can happen and is worth reporting, report any facial or tongue swelling right away, avoid salt substitutes, and do not use it if you might be pregnant.
New facial or tongue swelling with trouble breathing, or a potassium of 5.8 on lisinopril. Recognize angioedema or hyperkalemia and act.
Quick answers
Why does lisinopril cause a cough?
It increases bradykinin, which triggers a dry, hacking cough. The cough is harmless but bothersome, and it is a common reason to switch to an ARB such as losartan.
What is the most dangerous side effect of lisinopril?
Angioedema, which is swelling of the face, lips, tongue, or throat. It can block the airway, so stop the drug and notify the provider immediately.
Which labs do you monitor with lisinopril?
Potassium, because ACE inhibitors can cause hyperkalemia, and kidney function (BUN and creatinine).
Keep studying
These pages build on each other. Work through the related classes, then pressure-test yourself against the free cheat sheet and the full guide.
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