You should be able to find all the information you need regarding MDMA + Antibiotics in this thread.
For further reading on related topics you could refer to this directory. It's that big ass link that is at the top of this forum that you seem to have missed .
i was looking through that forum but it was about taking ____ drug, and im allergic to both of these drugs. They are both safe to take with MDMA but i need to know if an allergy to these could mean im allergic to MDMA