"this is my second time taking paxil. for me, it is the only medication that has been effective in treating my anxiety. i&#039;ve taken just about every medication for anxiety over the past 10 years. in my early 20s, i took paxil for about 6 months and experienced sexual side effects but only gained about 5lbs. it was horrible to come off of paxil and i experienced dizziness, headaches, and nausea. i am currently 29 and i started taking paxil again about 5 months ago due to increased anxiety. while it has been effective in helping me to lead a normal life with minimal anxiety, it has caused horrible weight gain. i gained 15lbs in the past 3 months which is a lot for my petite frame at 5.1&#039;. due to the weight gain i am currently attempting stop"