After you have entered the information from your Form 1099-R reporting the recharacterization, you will see a series of follow-up questions until you get back to a 1099-R Summary Page. Click Done or Continue to move on. If an early distribution penalty has been calculated based on your entries, then you will be given the chance to enter information about any exceptions that apply to your situation. This will add Form 5329 to your return.
Please see below for information regarding amending your 2017 return. You should wait until your original return has been processed and any payment or refund received.
https://ttlc.intuit.com/replies/6602873
Let me know if this does not answer your question.