Hi Waggy, welcome to the forum. Your husband is using typical PTSD pressures in order to push anyone that loves them away, to avoid causing them further pain. Basically, he can't say it, so he just actions things that shouldn't be actioned, or are not his right alone to action.

I would actually have to back him not taking his medication, instead opting for pot, as it is a safer alternative, trust me on that one, to medication. Anti-depressants make most people depressed and suicidal... go figure. Pot doesn't... instead it helps relieve the anxiety.

Are his choices correct? Don't know... only you and he know the answers to that.