<s>[INST] How Are Ear Infections Diagnosed? [/INST] Doctors will do a physical exam and examine the ear. They use an otoscope, a small instrument similar to a flashlight, to see the eardrum. Source: KIDS HEALTH ORG. Link: https://kidshealth.org/en/parents/otitis-media.html. Field: Otolaryngology. Disease: Ear Infection </s>