why does nobody talk about 503A
why does nobody talk about 503A. I would rather ask a basic question now than get this wrong quietly for two months. Compounded preparations are not approved products and carry no bioequivalence claim. That is a statement about regulatory category, not about quality. The shortage list is the legal hinge: the…
Nothing in this thread is medical advice, and the choice between arrangements is one for you and a prescriber who knows your history.
ask which facility, then ask for their testing
the price difference is mostly the intake, not the vial
Cosigning the beyond-use date question. What it is based on tells you whether anybody has done stability work.
What concentration is on the label, and does it match what you were expecting?
a 503B has to register and report, so there is a paper trail to ask for
Yes. The shortage list is the legal hinge for the whole arrangement and its status is public.