can a toothache cause an earache
The most known example is when someone has a heart attack, sometimes people have pain in the left arm or jaw. In the case of a tooth ache, you can have referred pain to the ear. This is especially true if your tooth ache is an upper jaw tooth on the same side as your ear ache. These aberrant nerve signals are carried by the facial nerve in most cases but sometimes can be carried by the trigeminal nerve. Pain in the back of the throat can also be referred to the ear.