I have a pretty simple question which always kept me intriguing since childhood and I couldn't find its precise answer yet. Why do we cough by cold water. Recently I had flu and found very strange correlation between cold water and coughing. Even seconds after drinking cold[er] water, I started coughing as you all would have experienced as well. So why does it happen?

  • $\begingroup$ @rg255 I think the answer below addresses the question and I don't find any reasons why its opinion based if there is a clear linkage with tract called "Respiratory Mucosa". Rest, you better know than me $\endgroup$ – Failed Scientist Apr 30 '16 at 11:41

I am no expert in this but I had asked my doctor the same question the last time I fell sick and I'll try to paraphrase his explanation. "There is this protective lining on our respiratory tract called "Respiratory Mucosa" that acts as the first line of defense against pathogens. But when you consume cold food and beverages , this membrane gets congested or shrinks such that it exposes the respiratory tract to pathogens . This is more prevalent if your body has an elevated temperature such as after spending a lot time outdoors during summer or after a workout. Cold food as such doesn't make you sick but they make it easier for the pathogens." A quick Google search turned up this http://www.thehealthsite.com/diseases-conditions/why-does-drinking-chilled-beverages-cause-sore-throat/# Your cough could be a symptom of having a sore throat from infection.

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    $\begingroup$ any source to add? $\endgroup$ – Ebbinghaus Apr 25 '16 at 20:05
  • $\begingroup$ Reference added. $\endgroup$ – Adarsh Pryce Apr 26 '16 at 2:39
  • $\begingroup$ Can you add any authoritative reference, like a journal or a well cited expert's blog/website? As for thehealthsite.com it is absolutely uncited and there's no mentioning who the author is. $\endgroup$ – Tyto alba Apr 14 '17 at 11:43

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