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Early warning signs
Early warning signs, the changes that occur just before or at the very beginning of an asthma episode, signal that a person's asthma is worsening. In general, these signs are not severe enough to interfere with daily activities. But by recognizing the warning, you can stop an asthma episode or prevent it from getting worse. Early warning signs include the following:
- Frequent cough, especially at night
- Shortness of breath
- Feeling very tired or weak when exercising
- Wheezing or coughing after exercise
- Fatigue and moodiness
- Decreased or a variation in peak-flow measurements (a simple airflow measurement you can do at home)
- Signs of a cold, upper-respiratory infection, or allergies (sneezing, runny nose, cough, congestion, sore throat, and headache)
- Trouble sleeping
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