Can you give somebody a lift Penicillin while on the nuva ring minus it effecting it?

I read online that a new study says it won't, I in recent times wanted to get some personal experiences to see if they ever have a problem with it.
Cramping.. no term?
Answers:    Yes, but i would call your pharmacy.
How do you get/get rid of a
usually antibiotics revoke out the effects of birth control, thats how my friends sister got pregnant, she was on meds for strep throat.