There are many ways that you can actually prevent weight gan during recovery. You just need to make sure that you are doing everything possible as far as eating right and even exercising. This will all defeat the entire purpose if you do not follow instructions from your doctor. You will be able to get everything that you need out of the recovery and have a very successful one at that. You just need to make sure that you have everything that you need for your recovery process. It is always easier to gain your weight back then it is to maintain it. You can keep following a very strict diet plan or whatever you need to do. Your doctors can give you a list of things that will help you out after recovery that you just need to make sure that you follow entirely. If you believe you are having issues with something, then that is something that you need to talk to your doctor about. Recovery is not a very easy process, and you will need to keep that in mind as you try to maintain your weight. More people end up gaining it back after wards again.