^ happens to a lot of people. happend to me as well
have you tried taking quetieapine (antipsychotic)? it reverses the paranoid/anxiety feeling induced by mdpv quite rapidly. 2-3 weeks of low dose regiment should revert you back to normal (300-600mg/day)
Don't anti-psychotics come with their own range of side-effects and problems? I'm just really wary about ingesting any kind of drug at the moment, unless it's for life-saving purposes.
For 'one time guy', can you list the data (for better perspective). Specifically, how long did you abuse, at what dose per day (rough average), maximum single dose used, in what route of administration (snorted, smoked, IV, etc), and any withdrawal symptoms. Do you feel like you have now gotten back to your" normal state", and if so, how long after cessation did it take to return to normal or near-normal. Did you ever hear voices on the drug that were NOT your own (ie, voices teling you do do thinks, etc). All this data would be greatly appreciated.
I abused heavily for an 8 week period, having taken it 4-5 times before that in low doses without problems of anxiety or paranoia and in social situations. I never measured dosages, I would just measure out TINY lines and snort them, because I knew it was a strong drug. During the binge those lines became quickly bigger, and by the end of it I was snorting lines the same size that one might do of cocaine or speed (At least 100mg). The high would wear off extremely fast too and leave me with EXTREME anxiety unless I quickly did another line within 45-60 minutes. The anxiety would get worse and worse the longer I put off having another line. At one point I considered going to the doctor but I realized I wouldn't be able to wait in reception without at least having a line with me so I wouldn't freak out. I would say I did around 30g over those 8 weeks, although i'm unsure of the exact amount because my brother flushed the bag while I was unconscious. I didn't hear actual voices while on it, just what sounded like people walking around my house, footsteps and scratching sounds and things like that.
I snorted lines pretty much exclusively except for a couple of times when I ate it.
I got withdrawal symptoms for about 2-3 weeks, just an intense desire to find a line really, heavy insomnia, and a mental preoccupation with the drug. The withdrawal's in itself weren't horribly bad in a physical sense, it was more psychological. I think the drug causes OCD symptoms in the way it habituates you to do the same things over and over again uncontrollably and that's why I couldn't stop snorting lines/masturabating/checking the front door/etc no matter how many times I told myself what I was doing was stupid and I needed to stop.
After ceasing it my conversations with people were weird and jittery and I couldn't 'connect' with people I was talking to if that makes sense, because of how zombie-like and dissociated I felt. This became normal within a month and I can know talk and converse with people without problems.
The anxiety hasn't gone away although my panic attacks have decreased from a 5-6 times a day to 2-3 times a week. It was REALLY bad at first and these attacks occur randomly and regardless of my psychological state, they don't seem to be triggered mentally. I have however developed some mild hypochondriac type problems in relation to my heart now, I habitually check it's resting rate and become concerned if it rises and go running 3-4 times a week in an effort to keep it healthy and steady (which I guess isn't so bad). These has also decreased slightly with my prolonged abstinence from MDPV.
The cognitive problems haven't gone away, and I really hope they eventually will. It's hard to describe but I get a kind of pause between seeing myself touch things and feeling the sensation of the touch, and I often feel like i'm not looking at my own body when I look at my hands, and sometimes it feels like parts of my body are numb even though they aren't if I check them. I also get mild vertigo that the doctors say is unrelated to my middle ear. I believe these symptoms are from the MDPV.
All the symptoms except the cognitive ones have decreased somewhat since stopping MDPV, except only the social problems have disappeared completely. The cognitive problems, although they haven't decreased, have become more managable since i've had them for so long now, but I really hope one day i'll be free of them.
Hope that helps.