I've had an earache and a toothache the past two days. i also have a smaller appetite than normal. what is causing this?

Cavity, wisdom teeth: a toothache can cause an earache as well, the tooth can Hurt because the caries has reached or is in close proximity to the nerve of the tooth. You could have an infection or a wisdom tooth trying to push You should see a dentist to determine the cause of the pain and treated. It is not possible to give you a definitive answer without the X-rays and the clinical exam.

Tooth infection: If there is severe inflammation of the tooth, the pain can radiate to the the ear. Tooth abscess can often lead to fever, chills and lack of appetite. You may not get relief from your ear ache until the tooth is taken care of. See your dentist ASAP.

Tooth, sinus, TMJ: With just the information provided i would suspect an infected tooth. Most likely a partially eruptedd upper wisdom tooth. Have this checked. Next would be a sinus infection with or without involvemnet of a bad tooth. YOu may be experiencing TMJ (joint) pain as a secondary manifestation of these other problems. If this turns out not to be the cause - next step is ENT to check ears after MD