Justmehere
Sponsor
Some short term options to cope with anxiety and mood swings: read any books about DBT skills, ACT workbooks, or books on mindfulness skills. These skills tend to help people with and without PTSD. They take work to learn, but I think you will do well with them.
Also, get a second opinion on what the diagnosis is. The clinic you went to doesn't sounds crappy. It is dangerous give the diagnosis of the incurable major mental health condition of PTSD based on symptoms of panic attacks from one time use of cannabis. No one here can diagnose, but what you share here indicates a second opinion would be a very good idea. You may have the mental health condition of substance-induced anxiety disorder. The treatment and recovery path for that condition is different than for PTSD.
Also, get a second opinion on what the diagnosis is. The clinic you went to doesn't sounds crappy. It is dangerous give the diagnosis of the incurable major mental health condition of PTSD based on symptoms of panic attacks from one time use of cannabis. No one here can diagnose, but what you share here indicates a second opinion would be a very good idea. You may have the mental health condition of substance-induced anxiety disorder. The treatment and recovery path for that condition is different than for PTSD.