5. Respiratory infections
Colds, flu, or bacterial infections can also cause phlegm buildup.
When should you worry?
Consult a doctor if you experience:
- Phlegm with blood
- Persistent fever
- Difficulty breathing
- Unexplained weight loss
- Symptoms that last more than 3 weeks
How to reduce phlegm naturally?
Some measures that may help:
- Drink enough water
- Use a humidifier
- Avoid cigarette smoke
- Perform nasal irrigation with saline solution
- Maintain a light diet if you have reflux.