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August 13
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MyHeartDiseaseTeam

Is a resting heart rate below 50 bpm normal when taking carvedilol?

Carvedilol is a beta-blocker, and one of its main jobs is to slow the heart rate. So seeing a lower heart rate while on it isn't unusual β€” but dipping below 50 bpm (called bradycardia) is worth paying attention to. Heart rate naturally tends to be at its Show Full Answer

Is a resting heart rate below 50 bpm normal when taking carvedilol?

Carvedilol is a beta-blocker, and one of its main jobs is to slow the heart rate. So seeing a lower heart rate while on it isn't unusual β€” but dipping below 50 bpm (called bradycardia) is worth paying attention to. Heart rate naturally tends to be at its lowest during sleep or late at night, which may explain why it's happening around midnight. However, consistently dropping below 50 bpm can sometimes cause symptoms like:

- Dizziness or lightheadedness
- Fatigue or weakness
- Shortness of breath
- Fainting or near-fainting

Even on a small dose, everyone responds to beta-blockers differently.

It's a good idea to let a doctor know about this pattern, especially if any of those symptoms are present. They may want to monitor it more closely or adjust the timing or dosage. Never stop or change the medication without checking with a doctor first β€” that can be risky with heart medications.

August 13
A MyHeartDiseaseTeam Member

Hi Peggy - That was part of my issue on Carvedilol, although my heart rate didn't go quite that low. You need to quickly get some help, either from advice nurses or your cardiologist, so that you don't fall and have a larger problem and/or experience reduced blood flow to your brain. Sometimes medical personnel can make you feel like you are imagining things, but you have strong data to disprove that, so go with it!

I am currently taking a Carvedilol "microdose" - 1.5625 mg = 1/2 of a 3.125 mg tablet. As we age, the bodily processes slow, we are women (as opposed to the middle-aged men this was tested on), sometimes we have different comorbidities, weigh less, have less protein, and/or are just sensitive to meds whether because we were "drug naive" prior to being diagnosed, or that's just the way our bodies are.

Praying you can quickly get the help you need to find a dose with less unbound (active) drug that your body can cope with!

August 26

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