Hi, Thanks for writing to hcm. I understand your problem. Firstly please make a time table for yourself about the food that you eat. Instead of relying much on nutri bars and nutri foods available in the market,kindly have a fresh fruits and vegetables, sprouts along with a foods rich in carbohydrates like rice. if you are a non vegetarian eat a boiled egg daily or chicken. Also drink a good amount of water. You can add supplements like health drinks to your milk. however remember these are supplements and should never be the main source of nutrition. You can take Vit B complex supplements along with a balanced diet. Along with this exercise daily , it improves your appetite. Get a sound sleep of atleast 8 hours daily. If you are having a flu kindly visit a physician for drugs like : antihistamines like cetrizine. Antibiotics are not of much use in viral infections though. Take care Regards Dr.Riyanka