A member asked:

What type of infection can cause you to cough up blood?

A doctor has provided 1 answer
Dr. Stephen Southard answered

Specializes in Internal Medicine

In fact any can: If the infection irritates the lining of your airways you may cough up some blood, similar to how constantly blowing your nose, just from allergies, can lead to blood in your nasal secretions. There are some more aggressive bacterial or fungal infections that can erode into blood vessels in the lung and cause more serious bleeding though.

Answered 1/26/2015

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