Quiz: Nasal Congestion and Discharge
Question 1 of 3  

Nasal congestion and discharge are very common. They usually occur together but may occasionally occur separately. Several conditions can cause nasal congestion and discharge. Which of the following is the most common cause?

  • A.

    Foreign object in the nose

  • B.

    Overuse of decongestant sprays

  • C.

    Sinus infections (sinusitis)

  • D.

    Viral upper respiratory infections (colds)

Am I correct?