Sounds like a bug bite. Can you isolate where you might have been bitten? In the mean time, buy some over the counter Benadryl (diphenhydramine) and take it as explained on the box. Try cold packing the ear. If it isn't getting better tomorrow, call a doc.
I had the same problem. It was the rear shocks.
The Civil War.
V for Vendetta
the civil war
to get herppies
behind the bow
V for Vendetta Beneath this mask there is more than flesh. Beneath this mask there is an idea, Mr. Creedy, and ideas are bulletproof. - V
for luck
Delaware
you are a fu©k tard
Delaware
The documents which explained the ideas behind, and which urged for the ratification of, the Constitution of the United States of America are known as The Federalist Papers.