UNETHICAL!

Most drugs are manufactured with a target market in mind. Seems to me that since the causes of PST are many and varied, maybe this is a drug designed for soldiers.

Many drugs are used as a cost saving measure. How many children are on Ritalin when, in fact, counselling in combination with behaviour modification is more effective. Why? The drug is less expensive.

There are many therapies available: art therapy, music therapy, etc. In addition, there is alternative medicine of every description. Post traumatic stress is mental anguish but there is so much you can do to help yourself overcome the most debilitating aspects of this syndrome.   
What kind of a human being has no memory? Its scary when you think of all the different ways a drug like this can be abused.