He had a dry cough, which I put down to all the smoke in the control car.

NPR: Excerpt: 'Skybreaker'

She said that Mrs Ward had complained of a "dry, tickly cough" in October 1998, but she could find nothing abnormal.

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The nasal drainage associated with colds can hasten dehydration, and some over-the-counter cold remedies containing antihistamines (many cough syrups, for instance) can dry you out further, Dr. Rosenbaum points out.

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