"Oral irritation" refers to a discomfort or annoyance felt in the mouth caused by various factors such as certain foods, drinks, or oral care products. It includes symptoms like redness, soreness, or a burning sensation in the mouth. Full definition
Symptoms of ingestion include oral irritation, burning of the mouth, tongue, and lips, excessive drooling, vomiting, and difficulty breathing. (northelmanimalhospital.com)
Cowart noted that periodic rinses always cause desensitization where mixtures do not, leading her to conclude: «Much of the apparent masking of taste intensity in the presence of oral irritation is not directly related to the irritation level but is sensitive to procedural variation.» (fieryfoodscentral.com)