CC: She is not sleeping and acts like her ear hurts HPI: 10-mo-old girl, who is scheduled to be seen for an "ear infection." Her mother reports that she was awake a lot during the night. "I think she...

List 3 (three) potential differential diagnoses for this patient's complaints.

Extracted text: CC: She is not sleeping and acts like her ear hurts HPI: 10-mo-old girl, who is scheduled to be seen for an "ear infection." Her mother reports that she was awake a lot during the night. "I think she was pulling at her right ear. Amoxicillin does not work for her." She also reports that last week she had a runny nose and a mild cough treated with Tylenol. Hasn't been eating as well as usual. Baby does not go to daycare, although her mother does meet other mothers and babies in the park on nice days, and they play together. She did that over the past week. She also reports that no one else in the household has been sick. Baby was full term, normal vaginal delivery with good Apgar scores. Still breastfeeding. She has a positive history for an ear infection at age 2 mo (treated with Amoxicillin), at 3 mo (treated with Bactrim), and at 4 mo (also treated with Bactrim). A mild effusion was noted at her 6-mo well child visit, but she was not treated, as she was asymptomatic at that time. Development milestones are within normal limits, and immunizations are up to date. PmHx: otitis media