Suggest Remedy For Headache And Twitching Thumb

my 16 year old daughter has Eosinophilic Esophagitis (EE) twice now in the past several weeks she has gotten a severe headache along with her thumb twitching. her immunities are very low and she has had several ear infections and throat infection in past 2 weeks, about 4 weeks ago she fell in the shower,her head began hurting about 5 days later so i took her to hospital, along with this her thumb was twitching, the hospital found she had an ear infection and said she probably had a minor concussion from the fall, but today she was sent home with headaches and twitching thumb again today