Ear infection leading to toothache. what should i treat first?

Need both checked: If have ear infection at present get that treated as well as see the dentist for toothache so they can rule out any dental related cause by taking xrays..

See a dentist first: A variety of conditions can cause an earache and toothache, and the two symptoms are often related. In the case of a toothache, you can have referred pain to the ear and vice versa. See your dentist first to rule out tooth pain.

No: An ear infection does not lead to a tooth ache. I agree that dental pain can refer pain to the side of the face (earache or more properly otalgia). But the two problems if they coexist are unrelated except for the referral of dental pain to the side of the face. You probably need to see both a dentist and an ENT doctor.