what is ear drainage and what does it mean

Ear discharge is drainage of blood, ear wax, pus, or fluid from the ear

Most of the time, any fluid leaking out of an ear is ear wax.

A ruptured eardrum can cause a white, slightly bloody, or yellow discharge from the ear. Dry crusted material on a child’s pillow is often a sign of a ruptured eardrum. The eardrum may also bleed.

Causes of a ruptured eardrum include:

Foreign object in the ear canal
Injury from a blow to the head, foreign object, very loud noises, or sudden pressure changes (such as in airplanes)
Inserting cotton-tipped swabs or other small objects into the ear
Middle ear infection 

Other causes of ear discharge include:

Eczema and other skin irritations in the ear canal
Swimmer's ear -- with symptoms such as itching, scaling, a red or moist ear canal, and pain that increases when you move the earlobe 

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