You note a change in mental status such as confusion, slow thinking, or excessive sleepiness. You have a cough that lasts a week longer than other symptoms, or you are coughing up bloody or dark green mucus. Unfortunately, doctors really can't do anything for most cases of a cold or flu. However, you can usually take care of a cold or the flu without a doctor's assistance. Often, simple home remedies can ease uncomfortable cold or flu symptoms.
Home remedies Gargling with salt and warm water can help relieve a sore throat.
Gargle every four hours. Place a few drops of the solution in each nostril. Drinking hot beverages may help relieve a sore throat and clear nasal passages. Using a humidifier may help you breathe more easily. If you do use a humidifier, remember to change the water and clean the tank daily with a mild solution of bleach.