Yes, you can deduct long term care insurance as a medical expense if you itemize and the total expenses for you, your spouse, and your dependents exceed 10% of your adjusted gross income (7.5% if you're 65 or older as of December 31, 2016). The deduction is limited to the expenses above and beyond this amount.
See Deducting Medical, Dental, and Vision Expenses
To deduct all medical expenses::
Type in medical expenses, sch a the search box, top right of your screen, then click the magnifying glass
Click the jump to medical expenses, sch a link in the search results
Follow to prompts and online instructions
