Any advice that we give is based on the information you have given us. You should always follow advice you have been given by a health professional.
As you have a long term health problem and you have been gaining weight it is important that you take action. The first thing to do is to stop putting on more weight and to keep your weight stable for a while. After that point you can think about losing weight.
Although you have not tried to lose weight seriously before you may find it helpful to access more support. This page provides information on the help that might be available to you locally.
