What can comprise itemized deductions:
Interest on loans up to 1 million
State local real property taxes
Non business losses
Wagering losses
Charitable contributions up to 50 of AGI.
Medical expenses
Miscellaneous itemized deductiosn to the extent that they exceed 2% of a tax payers AGI.(expenses of profit seeking ventures, educational expenses, employees meals and lodging, transportation, except ordinary commuting expenses.