Doctors usually start with warm compresses and medicine, and in some cases they may need to drain the swelling in a clinic.
More serious infections around the eye may need treatment in hospital, which is why any rapidly growing swelling should be checked quickly.
With proper care, the redness slowly fades, the swelling goes down and the eye returns to normal over several days or weeks.
Keeping the eyelids clean, removing make-up every night and not rubbing the eyes help prevent new styes from forming.
Healing takes time, so be gentle with yourself while it happens. The videos at the end explain styes and eyelid bumps and how they are treated.
