What Causes Chest Pain And Excessive Weight Gain?

In July I went to the dr. with chess pains. Got a lot of persc. and tests done. I asked the dr. to check three things...heart, Check for chemical burn from chemicals at work (I m the only one not wearing PPE in some areas because I am only in the area for 5 minutes or less) Or maybe with my diet I needed the Purple pill which I now am taking. Heart is ok, No respiratory problems, Purple pill may helped. All is good except from the end of July until the middle of Oct. I have gained 25 lbs...We bought a Bowflex trad climber and I m into my second week of 20 minute workouts in the am. The only other Dr. appointment that I am scheduled is next week for Sleep Disorder. I m checking all the pills that I am now taking to see if any of the side effects could be Wt. gain. Could it be your pill ( I don t think so, I ve been on it for 5 years? But maybe, I am over Wt.