Tachycardia and Ivabradine

Other conditions
1

I am a 25 years old female. I've been dealing with tachycardia for the past two years.

I had several ecgs done, 24 hours Holter monitoring, and echocardiography which ruled out any heart condition. I am otherwise healthy.

My resting rate is constantly 90-115 bpm. It spikes up to 130-140 during my walks.

Cardiologist prescribed me ivabradine 5mg/2 times a day. I've been taking it for 5 days and heart resting rate has lowered at around 80 bpm on average, and 60 bpm while sleeping, which is good.

However, I feel like stopping it because I started having this feeling of breathlessness, dyspnea, mainly at rest.

Is it possible in any way that I am not used to a lower HR, hence 'needing less hair' hence the dyspnea?

I am used to palpitations and high resting rate so, I feel like I could live with it; question is, can I live with it? If so, should I limit physical activity in any way?

Thanks in advance to anyone who might have a clue.

2

When taking any medicine, one should feel comfortable. If not so, it is always better to get back to the Doc and give him the feed back. He may reduce the dose earlier prescribed or suggest any thing else.

3

Thank you for the answer. I will surely get back to him and try for a different dosage.