"Mild irritation" refers to a small annoyance or discomfort that is not very strong or intense.
Sentences with «mild irritation»
Also, if they touch pet's skin, they may cause mild irritation. (oregonvma.org)
Even finding out that a different guy will be cleaning her pool from here on is a source of mild irritation. (sfchronicle.com)
You probably know that for those with celiac disease, exposure to gluten can cause a host of uncomfortable symptoms that range from mild irritations to major problems: headaches, bloating, joint pain, skin rashes, mood issues, intestinal damage and malnutrition, to name a few. (saragottfriedmd.com)