If you have been reading up on the side effects of hormone therapy, you will have found out what there is to know about hormones (and much of it is conflicting, and it seems to depend on when you begin taking them in relation to menopoause). Anyway, Climara Pro is probably no different than any other hormone brand. Did your doctor suggest taking a baby aspirin a day? Also, drink water. If you are drinking hardly any water (and that sounds funny, but some women don't), it will affect you in lots of negative ways.
Common side effects of Climara Pro include:
patch application site reactions (skin redness, irritation, or skin rash),
breast tenderness or swelling,