Blood pressure medications may affect your mood

Like all medications, blood pressure drugs sometimes cause unwanted side effects. While many are mild and short-lived, some are more worrisome, including mood changes such as depression. But contrary to what doctors have long assumed, blood pressure drugs may not raise the risk of depression. In fact, some appear to be linked to a lower risk, according to a recent study (see “Depression rates in people taking different blood pressure drugs”).

“The traditional view has been that blood pressure drugs that cross the blood-brain barrier are more likely to cause depression,” says Dr. Randall -Zusman, a cardiologist at Harvard-affiliated Massachusetts General Hospital. Depression has also been associated with drugs known as beta blockers. But beta blockers (which work in part by slowing the heart rate) can also make you feel tired and listless, which may dampen your mood, Dr. Zusman explains.

Depression rates in people taking different blood pressure drugsTo see if commonly prescribed blood pressure drugs might influence a person’s risk of developing depression, Danish researchers scrutinized a decade’s worth of data from their national health registry. Their findings, summarized below, were published in the September 2020 issue of Hypertension.Who: All 5.4 million people living in Denmark in 2005, except for those diagnosed with depression or prescribed an antidepressant medication.When: Researchers tracked the participants’ health from 2005 to 2015.What: Just over 3.7 million people received a prescription for a blood pressure drug during the 10-year study period. Researchers focused on 41 drugs from four different classes of blood pressure drugs. (Thirty-seven are approved in the United States.) Diuretics were the most commonly prescribed, followed by ACE inhibitors and ARBs, calcium-channel blockers, and beta blockers. (For a list of the different classes of blood pressure drugs and common examples, see In people taking the different medications, researchers assessed the rate of depression, which was determined by a diagnosis by a clinician or use of antidepressants.Key findings: None of the diuretics appeared to affect depression risk. In each of the other drug classes, at least two drugs were linked with a lower risk of depression: enalapril (Vasotec), ramipril (Altace), amlodipine (Norvasc), verapamil (Verelan and some combination drugs), propranolol (Inderal), atenolol (Tenormin), bisoprolol (Zebeta), and carvedilol (Coreg).

Individual experiences

In the new study, people who took certain beta blockers as well as some other blood pressure drugs that cross the blood-brain barrier were less likely to develop depression. That’s somewhat surprising, says Dr. Zusman. But remember that large-scale trends don’t necessarily apply to an individual person’s experience, he says.

“High blood pressure is probably 25 different conditions that all cause the same physiological response — a measurable rise in blood pressure,” says Dr. Zusman. Some people are salt-sensitive, so their blood pressure drops when they cut back on salt. But other people are insensitive to salt. Still others are sensitive to weight gain or loss. And people have very diverse responses to medications, all of which have different mechanisms of action, he notes.

Because there are so many different blood pressure medications to choose from, there’s absolutely no need to tolerate side effects — especially depression, which can be very debilitating. “With my patients, my goal is always to create a medication regimen that controls blood pressure without any adverse side effects,” says Dr. Zusman. Early in his career, he had a patient whose blood pressure was well controlled on a beta blocker. “But at one visit, the man admitted that he’d been depressed for the past year, ever since he started taking the drug. He didn’t mention it earlier because he didn’t think his symptoms could possibly be related to his medication.”

The take-home message

Don’t hesitate to tell your doctor if you notice mood changes or other unpleasant side effects after starting a new medication, says Dr. Zusman. With blood pressure drugs, symptoms such as feeling tired or lightheaded are not unusual during the first week or so, but they often resolve once your body adjusts.

Depression might develop soon after you start a new drug, or possibly months later. It’s worth asking your doctor about switching to one of the medications linked to a lower risk of depression if you’re not on one of them already. But never stop taking any blood pressure drug abruptly. You can develop rebound hypertension, which raises your risk of a heart attack or stroke, Dr. Zusman stresses. Always make any changes gradually and under your doctor’s guidance.

Bible verses for today’s meditation and inspiration: Matthew E. McLaren

“If you, then, though you are evil, know how to give good gifts to your children, how much more will your Father in heaven give good gifts to those who ask him!” – Matthew 7:11

 “A cheerful heart is good medicine, but a crushed spirit dries up the bones.” – Proverbs 17:22

 “Do not be anxious about anything, but in every situation, by prayer and petition, with thanksgiving, present your requests to God.” – Philippians 4:6

 “Above all else, guard your heart, for everything you do flows from it.” – Proverbs 4:23

 “For God has not given us a spirit of fear, but of power and of love and of a sound mind.” – 2 Timothy 1:7

 “Consider it pure joy, my brothers and sisters,[a] whenever you face trials of many kinds, because you know that the testing of your faith produces perseverance.” – James 1:2-3

 “In all your ways acknowledge him, and he will make straight your paths.” – Proverbs 3:6

 “Commit your actions to the LORD, and your plans will succeed.”- Proverbs 16:3

 “Consider the ravens: They do not sow or reap, they have no storeroom or barn; yet God feeds them. And how much more valuable you are than birds!” Luke 12:24 – Luke 12:24

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