Hi, I have had the injection (kenalog) and it really has helped BUT there are downsides. It can have an effect on your immune system, I was seriously warned about this, but I went ahead anyway thinking a couple of colds is much better than a summer of hell. I have suffered repeated colds, urinary tract infections, stomach bugs, everytime the kids have come home from school with something, I have got it. I CANNOT guarantee that this is down to the injection, but having previously barely suffered from anything, then I would say it was down to having the jab. I have also gained weight - this was another side effect that the doctor mentioned MAY happen but I also have had the contraceptive implant fitted and it is a side effect of that too, or it may be that I have just eaten more (although, if anything, my diet is much healthier noiw than it has ever been). I Must stress that this is just my experience and opinion, but I would not have the jab again.