For a cold:
1) Rest – give your body a chance to fight the virus.
2) Drink warm liquids – water with honey, tea, and chicken soup, etc.
3) Gargle with warm salt water – helps to ease painful swelling in the throat.
4) Take a bath or shower – warm, moist air can loosen phlegm & soothe a sore throat.
For the flu:
1) See a doctor.
2) Take OTC pain relievers.
3) Rest & drink plenty of fluids.