F as in Ferritin? It shows the status of your blood stores.
Well, you came for advice and then did what you wanted anyway. Typical teen!
I would be more embarrassed to wind up in a lump on the floor from a crisis or bleeding out. My Dad had a bleed while on Pred and immunosuppressants and needed part of his stomach removed. You never know if it's going to be a little thing or a big one. Doctors in the ER always tell me that they'd rather someone err on the side of caution. But, hey, what do they know right?
How do you "fake" blood coming out of your nose and mouth? You're not faking. And you have a disease that could kill you. I think they'll take all that and your other symptoms quite seriously.
Hope you will continue to be okay. Sorry you couldn't make it to the beach. I'd love to be at a beach right about now.
Annie