A 28-year-old female asked:
i have yellow phlegm when i blow my nose in the morning then it turns clear as the day goes on. is this the sign of a cold or just allergies?
2 doctor answers • 5 doctors weighed in
Pediatric Allergy and Asthma 45 years experience
Could be either: This could be either allergies or infection. However infection is more likely if the mucous is persistently discolored.
5132 viewsReviewed >2 years ago
Pulmonary Critical Care 32 years experience
Likely allergies: Symptoms are likely due to allergies.
5118 viewsReviewed >2 years ago
Last updated Oct 9, 2013
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