How does the medical tax deduction work?
This deduction is from the IRS, Home improvements may qualify for deduction if their main purpose is to provide a medical benefit. The deduction is limited to the difference between the increase in fair market value of the home and the actual cost of the improvement. A written statement from a doctor explaining the medical need for the improvement, as well as an appraisal showing the increase in fair market value, if any, resulting from the improvement, should be obtained.