Gather records of deductible expenses
Separate itemized deductions from standard deduction
Use IRS Schedule A to list eligible deductions
Include medical and dental expenses above the threshold
Include state and local taxes up to the limit
Include mortgage interest on qualified loans
Include charitable contributions with documentation
Include casualty and theft losses if eligible
Include other allowed itemized deductions
Compare total itemized deductions to the standard deduction
Choose the larger deduction amount on your tax return
Keep supporting documents for your records