I had a silent heart attack after taking only two Lifludomide tablets for RA. I only knew that I had a heart attack because I couldn't stop vomiting and was so ill, I was rushed to A&E. It was there they discovered it had affected my heart.
No-one could have predicted that.
You take your chance with medication, weighing up the pros and cons in the hope you will be OK and that you will benefit from it.
Twice I've had to stop different biologics, due to severe side effects.
Unfortunately I have had a number of scares like that, but have no choice, but to try.