Yes, it's deductible as medical expenses
"Travel and lodging – Mileage for traveling to see a doctor or specialist is deductible. You may also deduct airfare if required to see a doctor outside of your area. If you attend a medical conference for a condition that you or a dependent has, you may be eligible to deduct any registration fees for the conference. Staying at a hotel or motel while receiving outpatient medical treatment is deductible if the primary reason for the visit is for medical care.... " You can read about what Medical Expenses can be deducted here.
Other helpful answer links:
TurboTax FAQ
https://ttlc.intuit.com/replies/6468763
