What are the some treatments of post-traumatic stress disorder and how well do they work?

PTSD treatment. Medications combined with psychotherapy, and emdr=emdr is most specifically made for ptsd and is very efficient.
Various treatments. Cognitive processing therapy is gold standard for complex ptsd. Virtual reality exposure therapy is also effective for many. Emdr can have success rates with simple ptsd, not so much with complex. Psychotropic medications are often very beneficial. Group therapy for individuals with like trauma, psychoeducation, acupuncture, family therapy and psychotherapy are also beneficial.