"Google has too much conflicting info"

But the IRS has specifics:

https://www.irs.gov/instructions/i5329

https://www.irs.gov/taxtopics/tc502

To determine whether an expense is deductible, see Can I Deduct My Medical and Dental Expenses? For additional information on medical expenses, including who qualifies as your dependent for purposes of this deduction, how to figure, and how to report the deduction on your return, see Publication 502, Medical and Dental Expenses.