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What is the best decongestant for an allergic cough?

1 doctor weighed in
Dr. John Chiu
Internal Medicine - Allergy & Immunology

In brief: Nasal steroid but

Nasal congestion is not the cause for an allergy cough but post-nasal drips and/or asthma may as would be a sinus infection.
Nasal steroid remains the most effective if post-nasal drips are the cause for the cough. You may need to consult a doctor re. the cough should nasal steroid fail or the problem gets worse.

In brief: Nasal steroid but

Nasal congestion is not the cause for an allergy cough but post-nasal drips and/or asthma may as would be a sinus infection.
Nasal steroid remains the most effective if post-nasal drips are the cause for the cough. You may need to consult a doctor re. the cough should nasal steroid fail or the problem gets worse.
Dr. John Chiu
Dr. John Chiu
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