Yes, you can. Based on the IRS publication # 502, Medical
and Dental Expense under Guide Dog or Other Service Animal, you will be
able to claim your support dog, under medical expenses in Turbo Tax, if he/she provide the support as needed based on
a medical prescription. Please see
Turbo Tax FAQ below for more information and for what can be claimed.
https://ttlc.intuit.com/replies/3301265
