I am the one cited by @kilh who went to the ER with afib during the first few weeks of Tymlos. There is no proof whatsoever that Tymlos caused this. I end up in the ER with dramatic afib and tachycardia once a year and this was on schedule.

I met with no less than three cardiologists and three endocrinologists to decide between going back on Tymlos or trying Evenity. I chose retrying Tymlos because I can follow it with Evenity, but not vice-versa.

Instead of starting at a full or half dose, I started with two out of 8 clicks. I have been on 7 clicks (sometimes 6) for 9 months. Doc says 6 is fine but I do 7.

I have had zero heart issues this way. My body adjusted with the slow taper. I do have fatigue at times, but that's about it. Headache, dizziness and other side effects went away for me (and others) in the first weeks.

I had intolerable light-headedness, shortness of breath and fast heartbeat with Forteo. Probably because you can only take a full dose.

@sue225 I am not familiar with your issues and am not going to suggest strongly what to do, but just want to say that the ability to start Tymlos at a low dose and let my body adjust, was a major benefit for me with my heart arrythmia and tachycardia. No heart issues at all for me once I started low!