Kindly Please Help Me Out With This As I Take

Kindly please help me out with this as I take one teaspoon of horllicks with hot water added to it every morning before seven thirty and the late at eight thirty have my breakfast. As I feel like vomiting and hungry since I am on an infertility medication. Will this increase my weight because I don't want to gain much weight. Or what be advisable to before seven thirty in the morning somthehing low in calories as I take my dinner night 7: 30 pm . Waiting for your reply. Thanking You. From, Aurora