One thing is to contact an attorney and have the attorney contact management for you. Sometimes a call or a letter from an attorney does wonders.
Mold may breach the warranty of habitability which every tenant is entitled to. Because of it, you may withhold rent until it is fixed. You may leave and try to find a place that is equally affordable.
It also sounds that you have already suffered some medical damage from it so you may have a personal injury claim against management.
I would encourage you to contact an attorney. Free consultations are available.Ask a similar question