A viral infection of the middle ear (the space behind the eardrum).

Advice about how to prevent recurrent ear infections.

Injuries to the outer ear, ear canal or eardrum.

Minor pierced ear infection. More than 6 weeks since ear was pierced. Initial healing went well. New symptoms are localized redness, swelling and crusting just at earring site. Spreading redness is more serious and needs to be seen.