- Many doctors prescribe useless antibiotics for bronchitis
- Most sinus infections are caused by viruses and don't require antibiotics
- Strep throat is a bacterial infection and should be treated with antibiotics
(CNN)You're sick. You're not sure what it is, but you know you would really love for this achy feeling, stuffed-up head or painful cough to go away. So you go to the doctor and demand drugs.