Experiences - Question about Datura's "dream-like state"

[actarus]

Swim has always been intrigued by natural and chemical substances able to alterate our perception of reality, to carry us through our soul into different worlds and realities.
Said that, the fear of the power of these tools is stronger than the real and justified desire to try 'em.
He had one and one only experience with psilocybe mushrooms (when he was young, dumb and totally unexperienced), and maybe 'cause of his restless, tending-to-negative personality the result was a terrible trip to hell, a pain which can't be described with words but he believes that who knows hallucinogens may understand.
Swim has recently found out the existence of the plant datura, and it looks like the most terrifying shit ever.
He read several reports, and what he didn't fully understand is if someone under its effect can feel some sort of pain (like a bad trip pain) or just believes that what he/she's living is real.
In his terrible psilocybe disadventure swim recalls he was so out of it, so fucked that he couldn't compose the logical thought "I'm in this state-because I ate psilocybe mushrooms." but even if swim's mind was running thousands of thought, even if he couldn't actually realize what the fuck was going on, he was in an awful deep pain.
Almost everybody's report about their datura experience results in how scary it was, how they would never do it again.
But reading datura experiences most people don't underline the "pain" effects, they all underline how hallucinations seem real, they seem to go on with their trip as if it's not a trip but the reality, like if there's no pain but only phantom cigarettes, people and objects.
Well right, a lot wind up in hospitals, jails, injuried and even dead.
So is the main dangerous aspect of datura the total detachment from reality so that people might get themselves in any kind of trouble? (for ex. if swiy's parents see swiy on datura, or if swiy hurts himself or if he gets arrested for insane public behavior).
While in datura, swiy is in constant pain, or just living a bizzarre reality, ?