Medicinal cannabis can also have high thc levels. An example is epilepsy where some find cbd controls their seizures whereas other people find thc is needed to control seizure activity. Pain is another long term health issue in which i have a lot of experience. ive found you can have all the cbd you want but it wont help pain yet thc is very effective after your levels have reached a certain point. thc is a psychotic while cbd is an anti-psychotic. As far as thc being considered a hallucinogen, this does not apply to whole plant cannabis but it has been observed in 100% thc products or synthetic cannabis. If the public vote to allow a medicinal cannabis industry in nz, plans are that high thc cannabis will also be sold medicinally