Paranoid. Can he get prescription?

Patient has history of smoking weed for around 5 years currently he is not smoking from about 6-7 months. (Being defensive, hostile, and aggressive Being easily offended Believing you are always right and having trouble relaxing or letting your guard down Not being able to compromise, forgive, or accept criticism Not being able to trust or confide in other people Reading hidden meanings into people’s normal behaviors) This are the symptoms of paranoia i searched from google he perfectly fits into all of above. He is still doing job and manages to behave normal outside but little weirdo. He believes strongly into philosophy of chakras and energy vibrations n all. He thinks we (family) ruin his vibrations when we do anything which is not even related to him. He doesn't wants consult doctor because he can treat himself with meditation and all. He don't fit in socially he doesn't like to talk to anyone. And when he does he talks about very intelligent stuff which most people won't understa