A member asked:

Been very sick with upper respiratory symptoms. for 3 weeks. went to er no tests done said it's secondary virus. what does this mean? how do they know

A doctor has provided 1 answer
Dr. John Chiu answered

Sinus infection?: About 10% of the people with viral uRI end up with a bacterial sinus infection. My rule of thumb is that if the symptoms keeps on going or worsens after 10 days, think sinusitis.

Answered 1/18/2015

3.3k views

Thank

Related Questions

A member asked:

Can viruses cause lower respiratory tract infections?

2 doctors weighed in across 2 answers

A member asked:

What are some upper respiratory tract infections caused by viruses?

A doctor has provided 1 answer