Some medical conditions associated with hot ears include eczema, tinnitus, earwax blockage, cellulitis, Meniere's disease, abscess and labyrinthitis. Some other possible causes include exposure to loud noise, aspirin poisoning or a foreign object in the ear canal.
These conditions can be usually be identified by the presence of additional symptoms.
Tinnitus, for instance, is accompanied by a ringing or roaring in the ears, while Meniere's disease also causes vertigo or dizziness, among other symptoms.
An abscess is a boil or lump that can leak pus and cellulitis is a bacterial infection that can lead to swollen and tender skin around the ear that is often warm to the touch.