see also When your pimple might be cancer — and how to recognize the signs “Try taking an antihistamine, especially if you have allergies, because that alone can cause your under-eyes to be ...

Blind pimples, aka cystic acne, are painful zits that exist under the skin and never come to a head. To treat blind pimples, try benzoyl peroxide, a cold compress, and avoid attempting to pop it.