Crying will affect your oxygen levels..and that can aggravate overall.
You tense up, gasp, take shallow breaths, it all adds up.

Drink fluids and try to relax, learn & practice some mindful relaxation techniques..
https://www.google.com/search?q=mind...es.&gws_rd=ssl

Drs may not "find" soft tissue issues, but they can still be there...
PTs usually will do a more thorough hands on exam.. soft issue issues can be treated by PT or even self care if you learn how to , from you tube or online information.
Some might do better with heat , or alternate heat /ice..