To enter your medical expenses:
1. Click on Federal Taxes (Personal using Home and Business)
2. Click on Deductions and Credits
3. Click on I'll choose what to work on (if shown)
4. Scroll down to Medical
5. On Medical Expenses, click the start or update button.
I hope this helps, also I am enclosing the link for it.
https://ttlc.intuit.com/replies/5695269