Ear pain/fullness vertigo.small pea size bump behind ear not painful. infection? allergies? what is this?

Otalgia: This is probably an infection, although cannot exclude allergy or perhaps something else. Best to see a doctor and have this examined and treated appropriately than to be guessing over the internet. Get better and good luck.

Allergies: You may have allergies.The mucus produced has gone into your middle ear giving you fullness and vertigo as well as pain.theseelling about yourear represents a small reactive lymph node. Try taking antihistamines like claritin, (loratadine) Allegra orxyrtec