If you take a blood pressure pill like lisinopril, there’s a rare reaction that can happen with no warning — even years after you started

by Adrienne Erin

Did you know that a daily pill meant to protect your heart could potentially trigger a rare but life-threatening reaction in your airway? It sounds like the plot of a medical thriller, but as a doctor, I have seen this scenario unfold in real life. It is something I treat with absolute seriousness because the outcome can be fatal if the warning signs are ignored. Today, we are talking about a condition called angioedema—a swelling of the deeper layers of skin and tissue that can become a true medical emergency.

When we manage high blood pressure, or hypertension, we often reach for ACE inhibitors. These medications are effective, widely pre