How dust mites and dinner (aka Gastro Esophageal Reflux) induce nocturnal asthma?

Dust mites and Gastro Esophageal Reflux could trigger nocturnal asthma.

Real-life Example:dust mites
Mr. Ram Narayan has been suffering from bronchial asthma for last 5 years. He is employed at a warehouse of Food Corporation of India, where he works as a cleaner of spoiled food grain. After work in the evenings, Ram Narayan occasionally experiences irritation in his throat, shortness of breath, and chest tightness. His asthma symptoms sometimes persist for months together. While Ram Narayan’s asthma remains under control during the day, his symptoms get flared-up during night times after meals. Even medicines are of little help to him in controlling his asthma.

i) What aggravates asthma of Ram Narayan?
ii) How is the problem solved?

One day just by chance, he does not have his dinner and feels much better than usual. Consequently, he avoids meals at night altogether. This works quite well for Ram Narayan and as a result his nocturnal asthma markedly improves.


  • Grain dust provides a condusive damp environment for dust mites to grow. Ram Narayan’s asthma trigger at work is dust mite. He now covers his nose and mouth with a mask when at work as a precaution against dust mites.
  • Gastric-acidity or Gastro Esophageal Reflux (GER) is an important non-allergic asthma trigger. Gastro Esophageal Reflux becomes more intense on full stomach and on lying down. This trigger is also responsible for nocturnal asthma of Ram Narayan. Ram Narayan addressed this problem by avoiding dinner meals.
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