This stuff is pretty easy to google.
General TSA info:
www.tsa.gov
The specific meds question:
www.tsa.gov
Screening time info (live estimates for every screening point):
Welcome to DFW International Airport. View flight information, security wait times, parking, shopping & dining options and more.
www.dfwairport.com
Parking info (remote north temporarily closed; remote south open):
DFW provides five convenient parking options so that you are closer to your gate. Save over 50% off on rates when you prepay for parking at DFW.
www.dfwairport.com
TexRail to/from DFW:
Finding your way to TEXRail Traveling to or from DFW International Airport? Trinity Metro TEXRail is the best and most economical way to get to the airport. If you need help finding your way to TEXRail, this post is for you. The Trinity Metro TEXRail station inside the airport is located in...
ridetrinitymetro.org