Hi, You are under weight currently. Your final weight goal should be 58 kg. You should not increase more than half kg a week to secure your health. More than that will be rapid change in weight which harms your health in many ways. Coming to your medication: All of them are steroids which are not for weight gain and they shouldn t be used without physician prescription. Other thing is you cant stop them suddenly. Start decreasing dose day by day for a week or two and stop them unless they are for any other medical condition other than for weight gain. Finally, it is important that how to gain weight in a healthy way. Take protein diet and do muscle building workouts. Your increase in work out should be supplemented with increase in protein intake. Don t go for aerobic exercises which causes loss of weight. Protein diet is egg whites, milk, sprouted legumes, and beans. You can take help of protein shakes without any medicines. Hope I have answered your query. Let me know if I can assist you further. Regards, Dr. Sagar