A myringotomy is a procedure in which your doctor creates a small hole in the eardrum so fluids such as water, blood, or pus can drain out. In many cases, your doctor will put in a tube so it won't get backed up again.
The tube, which will usually fall out on its own in about six to 18 months, lets air flow through and keeps the middle ear dry. Tubes also:
Cut down on the number of infections your child may have