It is also called blepharitis, which is caused by bacterial infection of the lid gland and is associated with excessive eye use and poor eye hygiene. You can order levofloxacin eye drops six times a day during the day and squeeze Telbivitol eye gel onto the lower eyelid before going to bed at night. Be careful not to squeeze to avoid spreading the inflammation. If the swelling and pain is not severe, it can be reduced by applying heat with a dab of medicine. If the swelling and pain are severe, you can do a cold compress to relieve it. If the face is also red, swollen and painful, you can take oral antibiotics to avoid aggravating the infection into periocular tissue cellulitis. When the wheals pus, if it can break down by itself, the pus will recover faster after flowing out, if it does not flow out to go to the hospital to incise and drain the pus.