This same type of irritation is why your eyes may also become watery when you eat very spicy foods. The capsaicin or allyl isothiocyanate can irritate the membranes in your eyes, causing your tear ducts to kick into overdrive trying to wash the irritant away. This can make your nose even ...
Irritation of Intestinal Lining –Spicy foods usually irritate the intestine and this causes diarrhea. As the pH level in spicy food is much higher compared to the bland foods, they are more acidic in nature. This tends to irritate the intestines, resulting in frequent loose st...