Tell doctors or dentists that you are being treated with megestrol before you receive any treatment from them. Nausea should go away as treatment continues. Swelling of hands, feet or lower legs may occur if your body retains extra fluid. Elevate your feet when sitting. Avoid tight clothing.
Blood clots can sometimes occur.
This is more likely to happen if you have had blood clots before. Drink plenty of fluids. Avoid tight clothing. Do not sit with your legs crossed at the knees. You may gain weight due to a change in appetite.