So in March I asked my doctor for Phentermine (an amphetamine like diet pill). I have had it before and it never bothered me. I took this pill, this time, and thought I was going to die. It was even the lowest dose. I got off that and I asked my doc if there could be changes in how I did on a drug at an older age and she said yes. I didn't think much of it.

But then I went on another drug that didn't work the same. I found myself after a few weeks with bothersome symptoms. Wet stools and diarrhea and heart palpitations. I got off the pill. Somethings did improve but I still had soft stools and diarrhea and heart palpitations.

I didn't get on to this until this week when I had a second cup of coffee (normally not a problem at all) and ended up with 6 hours of palpitations.

I decided I had solved the problem and decided just not to have the second cup of coffee. But yesterday I had a large extra soda (caffeinated) and lunch and suffered 2 hours of palpitations.

Today I decided to really cut back on the caffeine. I had only 1/2 my cup of coffee this morning. And that is it. A caffeine free soda and water. And I have had a palp free day.

It seems like someplace along the line, rather quickly, my body has become super sensitive to caffeine. I might have thought it was the second drug I was taking but I remember having that bad reaction to phentermine in march. Has anyone else had this or got more sensitive to caffeine as they age?