Allergies are a common cause of eyelid swelling ... to open any blocked pores. The stye can then drain out and start to heal. Some people may require medical treatment. Pink eye or conjunctivitis ...

Typically, most eyelid bumps and lumps, like acne, milia, and styes, are totally harmless and go away on their own with at-home treatments. But the keyword here is most. Surprisingly, there’s a ...