Should I lower my beta-blocker dose if my heart rate stays in the 40s or 50s?

[Paul86]

I’ve been on a beta-blocker for my hypertension for about a year, and lately I’ve noticed my resting heart rate dipping into the low 50s, sometimes even the high 40s, which makes me feel a bit sluggish. My cardiologist said it’s an expected effect of the medication, but I’m wondering if others have experienced this and at what point they discussed adjusting their dosage with their doctor.

[Edward_L]

I’ve been on a beta blocker for hypertension about the same length as you. My resting heart rate started sitting in the low 50s and a few days it slipped into the high 40s. I felt a little sluggish in the afternoons and a bit foggy after meals. My cardiologist said this is a common effect and not to panic, but it did worry me. After a couple of visits we tweaked the dose slightly and asked me to monitor energy levels and HR for a couple of weeks. It helped a little, but I still don't feel like my old self.

[StellaW]

I started keeping a simple log—time, number on the chest, how I felt. The numbers were consistently in the 50s, sometimes 48, and there wasn’t a dramatic drop during activity, which was reassuring. We did a small dose adjustment and then watched for a month. Energy improved a touch, but the baseline felt slower than before.

[Aubrey9]

Did anyone else end up changing medications or adding something else to counter the slowdown?

[George87]

Sometimes I wonder if the worry is bigger than the problem. I know the number is lower, but maybe fatigue, sleep, or other meds are playing a bigger role. Still, the HR reading keeps pinging in that range and it’s hard not to think about it when you’re trying to stay active.