Yes, you'll need to amend, but wait until you get any refunds you may have coming from your original returns.
Please see the TurboTax Help article How do I amend my federal tax return for this year? for instruction on how to amend your previously-filed tax return. When you amend your federal return, the changes will automatically flow over to your state tax return.
You should wait to file your amended return until you get any refund you may have coming from your original return. Even if your original return has been accepted by the IRS and state, it's still possible that they could change your refund or balance due on that return.
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