When do medical expenses qualify as deduction?

Unreimbursed medical expenses are only deductible in the year that they are paid and only if you are using the schedule A itemized deductions of the 1040 income tax return and all of your unreimbursed medical expenses that would be the over the limited 7.5 % would end up being a part of your itemized deduction that would be added to all of your other itemized deductions on the schedule A itemized deductions of the 1040 tax form.