I had a pneumothorax in my left lung last year which was caused by a ruptured bleb or bollus. I had to under go an operation and since then my left lung has never given me any problem again. I used to have pains since I was about 13 (I'm 17 now) and it would normally alternate between my left and right side. I literally just started developing pains yesterday on my right side again which is probably because of the transition into winter. Normally laying down on my stomach or on the side that isn't paining helps me relive the pain. Arcoxia is the one medication that's really really helped me and hasn't had any side effects. I'm also a serious athlete hoping to go pro soon and take my fitness and health really seriously. I'm going to try out these 3 suggestions and report back if they help. I first hand know how painful and devastating it is to have a pneumothorax and I'll be the happiest if I can give someone the knowledge I wish I had now when I was going through it all.
Surgery really really helps and if you're looking for medication that actually relieves the pain within 3 to 4 days max , I recommend Arcoxia (mild strength).