If it is still the early stages of colds, it is recommended that you can be more and hot water, or and ginger boiled in brown sugar water, which is on the early stages of colds and colds in general are effective.
If you can't, you need to take medicine. You can eat amoxicillin and acetaminobenzene, which are more effective. Diet eat more lean beef high protein food, rich in vitamins fruits and vegetables, avoid tobacco, alcohol, sour and spicy. Properly add money for physical exercise.