I'm trying to figure out if I have a bacterial vagina infection again? It smells like it but I've had a yeast infection in the past.

See below. How about making an appointment with your physician? Things like possible infections cannot be assessed and/or diagnosed over the web:).
See ObGyn. You need to see your gyn doctor to thoroughly exame you and get culture and treat you with proper medication, avoid sex until you see your physician.