I need to loose about 10 pounds in 1 month. How?

I am doing jillian michaels yoga meltdown for 1 hour every day for the past 8 days.I am currently on steroids s/p renal transplant. I gained 2 pounds in this 8 days. I feel depressed. Since I am on steroids I cant perform weight bearing exercise. Can anyone suggest? after weighing myself I dont feel like exercising anymore