According to new research from Walter Reed Army Medical Center in Bethesda, Maryland, a vaccination which is inserted in the neck gives immediate relief of Post-Traumatic Stress Disorder.

But more research is required before this procedure is deemed safe enough for extensive use.

It is a ten minute procedure that applies local anesthetic to a bundle of nerves in the neck, according to a study published Friday in the journal Pain Practice, Stellate Ganglion Block. However, it proved an effective remedy for this anxiety disorder. It can be an alternative to the pharmaceuticals, which usually treated flashbacks, anger, anxiety, and sleep disturbances caused by PTSD.

John Sullivan, a retired Marine Corps Sergeant from Chicago, underwent the experimental treatment from a Chicago-based anesthesiologist Dr. Eugene Lipov, as he was unwilling to take medication for the rest of his life for his PTSD.

Dr. Eugene Lipov was the first anesthesiologist to begin treating PTSD with this injection. Sullivan, who was injured by a grenade explosion, suffered from flashbacks, nightmares, and anxiety. He revealed that the injection which he received two months back was different and within five minutes of the jab he felt more relaxed and calmed down.

Lipov further added that traditional treatment with therapy and antidepressants can take many months to relieve PTSD symptoms, but the jab works within 30 minutes, with no side effects.