Hormone levels may be altered. Finally, and easiest to remedy, inadequate intake of food. Poor oral intake can be related to fatigue, sore mouth or throat, lack of appetite or nausea and vomiting due to HIV, infections, medication side effects, depression, etc. Once weight is lost, it can be difficult to gain back, and weight regained often takes the form of fat instead of muscle. Appetite stimulants such as Megace can put pounds back on, but usually in the form of fat.
Prevention is easier than regaining weight.
Even if you feel good, try to eat a well balanced diet including all the food groups. Exercise will increase your appetite, build muscle mass, help you sleep, alleviate depression and promote a feeling of well-being. Ask for a consultation with the clinic dietitian, Margie Caruth R.D. Margie can analyze what you're currently eating and suggest ways to add protein and calories, or eliminate foods that might be contributing to diarrhea. Keep on top of any other conditions such as thrush or mouth ulcers which make eating difficult, or diarrhea which reduce absorption. If you have medications for these conditions, take them.