Birth control making me sick?

Has anyone had any issues with NuvaRing making them nauseous? It's the only thing I can think of that's making me nauseous. I was put on birth control when I was 16 in order to regulate my periods (I have PCOS and I'm 22), but I just recently switched to NuvaRing since I'm not that great at remembering to take a pill every damn morning.

At first I thought it was alcohol related, but now it's happening without alcohol at all. I've noticed I get drunk on way less, too. I blacked out on like 7 drinks total one night (one of those I doubted actually had much alcohol at all 🙄) and I was super embarrassed because I know my limits and 7 drinks never gets me blackout drunk.

This morning I also saw spots swimming in my vision when I stood up, but I'm not sure if it's relevant.

Tia!