I had pain for the last two days and now that has subsided, I feel nauseated.
It's not normal to have nausea after CoolSculpting, especially a week after. Maybe there is something else going on with you? I would return to see your treatment provider for an in-person evaluation.
Nausea after Coolsculpting is not typical. Do you have delayed onset pain that is making you nauseated? Perhaps the pain medication is making you nauseated?