Antibiotics are medicines that help cure illnesses caused by bacteria. They do not cure illnesses caused by viruses like the common cold or flu. When your doctor gives you an antibiotic, make sure to take all the medicine even if you feel better.
The links that follow for Viruses or Bacteria (English or Spanish) are checklists that you can use to find out if an illness is from viruses or bacteria.
Viruses or Bacteria
The Feel Better Soon links that follow have tips on how to get better without using antibiotics.