Ive also discovered far more wax build up in his ears and brown secretions from the corner of his eyes. Have you ever adjusted your cats food? If that's the case which one particular? Has the aggression stopped? Cat foods are thoroughly and humanely examined for facets which include digestibility, https://claytonvrkdv.corpfinwiki.com/9320162/5_essential_elements_for_royal_canin_cat_food_ingredients