I don’t agree with some of your answers.
I was on accutane too, when i was on azathioprin. My dermatologist was worried, but the GI wrote a letter to him saying there was no problem at all, and accutan was not an issue for CD patients.
I don’t know specifically if it’s a problem to be on it while on remicade, but I doubt... cant be the reason remicade is not working neither.
Don’t worry if you fail remicade, there are other options for you still! Like entyvio