Why Does My Child Cough at Night?
Quick Answer
Nighttime cough in children can point to allergies, asthma, post-nasal drip, or dry indoor air.
A persistent nighttime cough is often a sign of asthma or post-nasal drip — both very common in Arizona children.
Likely causes
- AsthmaCough-variant asthma often shows up only at night.
- Post-nasal dripAllergy-driven drip pools in the throat when lying down.
- Dust mitesBedding exposure intensifies overnight.
What to try
- Elevate the head of the bed.
- Use HEPA filtration in the bedroom.
- Talk to a pediatric allergist about testing.
When to seek help
- Cough lasts more than 4 weeks.
- Wheezing or breathlessness.
- Cough that disrupts sleep.
Local Conditions
Arizona
Allergy
High
Asthma
Moderate
Mold
Moderate
Dominant Pollens
MulberryOliveBermuda GrassRagweed
Dominant Molds
AlternariaCladosporium
Pollen and dust dominate Arizona air today. Mold pressure varies by neighborhood.
See Live Conditions on PollyMap →FAQ
Is nighttime cough always asthma?+
No — but it's the most common cause that needs evaluation.