Cough worse at night
A cough that is worse at night has several common explanations: lying down allows post-nasal drip to trickle into the throat, acid reflux worsens in the horizontal position, and asthma symptoms often peak at night due to circadian changes in airway function. Nighttime cough significantly impacts sleep quality and recovery.
Conditions that commonly cause cough worse at night
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Common Causes of Cough worse at night
- Post-nasal drip (allergic or sinus-related)
- Asthma (nocturnal asthma)
- Gastro-oesophageal reflux disease (GERD)
- Heart failure (in older adults)
- Croup (in children)
When to Seek Urgent Medical Care for Cough worse at night
These signs may indicate a serious problem — don't wait, seek medical care right away:
- See a doctor if nighttime cough is persistent, produces blood or discoloured phlegm, causes breathlessness when lying flat, or is accompanied by leg swelling or wheezing.
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