Are more contagious than bacterial infections. If more than one person in your family has the same illness, it is most likely a viral infection. Can make you just a sick as bacterial infections. Usually get better in 4-5 days but it may take as long as three weeks to fully recover. Antibiotics do not work against viruses.
Antibiotic resistance is a problem.
Use antibiotics wisely. Even very healthy people who have never taken antibiotics can become infected with antibiotic resistant bacteria from others. Do not expect an antibiotic for most respiratory infections. Viruses cause most respiratory tract infections and antibiotics do not work. Trust your doctor if an antibiotic has not been prescribed.