Some soldiers' advocates and medical experts criticize the military for taking an overly pharmacological approach to mental illness in an effort to retain troops, without proper oversight.

"It's really just plain dehumanizing. They are denying these guys a humane treatment, which is to get out of the battle," she said. "The best therapy for someone in that kind of stress is to get them out of the stress. The worst thing is to add a drug to this."