Why aren't antibiotics used against the common cold?
A) Cold viruses have already evolved resistance to antibiotics.
B) Colds are caused by viruses and have never been affected by antibiotics.
C) Antibiotics are only active against infection in the blood but not the respiratory tract.
D) They're only effective if you take them within the first few hours of the infection.

Question

Quizplus · Accepted Answer

Colds are caused by viruses, not bacteria, and antibiotics only work against bacterial infections. Colds will not be affected by antibiotics.

Why Aren't Antibiotics Used Against the Common Cold