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Opiate misconceptions and toxic differentials

Droop

Bluelighter
Joined
Jan 30, 2002
Messages
982
Location
wisconsin
Since opiates seem to be a prime topic of discussion lately on the board, i thought i'd share some light on some misconceptions ive noticed(there has been many), and inform on some points i think should be addressed. I'm not going to get into the IV mess, since that seems to be a touchy subject recently, and is turning into a freedom of speech argument.

It's been preached time and time again that opiates are NON TOXIC, however , that doesnt mean they all are, in fact most arent. ONLY the phenathrenes (heroin, morphine, oxycodone, hydrocodone) can be considered relatively non toxic, methadone is NOT non toxic and ive seen it cause dental damage to the gums. Dextropropoxyphene is NOT non toxic and can actually slow reaction time and inhibits intelligence, this was proven in a study compairing it to hydromorphone, in which hydromorphone actually increased response time and intelligence for a time. Fentanyl i suspect is not totally non toxic but consider it much safer than most of the opiates.

When you use opiates for a long time, your natural endorphins dissapear, and another peptide increases, this peptide is an antagonist at the MU and other sites in the brain. This causes withdrawl when no opiates are used or present in the brain. THAT is dependance, that alone, that chemical change in and of itself , alone, is the WHOLE of opiate dependance, nothing more, nothing of addiction or anything else, JUST those chemicals produced as a result of constant opiate use, as a reaction by the body to balence things. Now, NO opiate is a perfect match for natural endorphins, meaning if your on any opiate constantly and your endorphins are gone, you are NOT substituting for those endorphins entirely. This has various effects on the body. Some users tend to get fairly weak as the constant antagonism of the natural peptides meant to combat administered opiates also have a stress effect on smooth muscle. To make this perfectly clear, opiates do NOT totally inhibit all the effects that these peptides cause, you will notice when you are seriously dependant and you go into withdrawl, you experience the effects of these peptides. Opiates cannot totally inhibit those effects even though you will feel better. they cant act in the exact same way at the exact same sites that endorphin (the one you all are thinking of, the nice one) does.

Over time you may notice this mismatch of chemicals to receptors, most people dont notice it and simply dont care as long as they have there drugs, myself and many others have done this.

Now, the phenathrenes really dont have a lot of damaging effects on the brain aside from any response the body may exert on the receptors as a result of all the constant agonist action, im not sure if they down regulate or not, but think along those lines. You may notice that your first time really doing a strong opiate in the correct way will give you such a euphoric feeling that you absolutely want to do it again, but i can vouch that this effect sometimes is not repeatable over and over, even if you were to totally regain all endorphins and become totally normal in that respect. The best effect simply cannot be had in some people.(Euphoria is a thing of the passed) For whatever reason, that can happen. You may consider this an adaptation to the constant use of opiates.

I can say a few things about the effects of certain opiates on endorphin levels, first, oxycodone causes a seriously fast drop in endorphins, it is very very direct in its action and the body recognizes it very quickly and responds by reducing beta-endorphin and increaseing the other peptide to counter it. Next, methadone doesnt cause an immediate fast drop in endorphin, nor a fast response to counter the opiate level. However, for whatever reason the body takes a long time to recover normal endorphin levels after stopping methadone use. As for the rest (the pentazocine classand fentanyls)Pentazocine is known to affect the K opiate receptors and could be considered fairly toxic by all sources.
I dont see much concern for fentanyl its fairly safe, IMO Fentanyl is one of the most under rated opiates, if its abuse potential and availability was higher and word spread, i think it would become the media's next "Oxycontin."
Hope this was informative and brought the thought across that, the more moderation kept, equals more euphoria as an outcome.
 
Pretty good post, those are a few things I think everybody should now if there going to do opiates of any kind for lengths.

I agree, I like fentanyl too, but it is so short acting outside of timereleased patches. An oral time relased pill would be nice, some people just don't want or need to be on narcotics 24h a day.
 
Carfentanil is the safest opioid/opiate there is seeing as how high its LD-50 is which gives it a 10,000 safety index compared to 30 for morphine and 140 for Fentanyl also carfentanil is one of the most potent, wish i could get my hands on some.
 
Droop said:

You may notice that your first time really doing a strong opiate in the correct way will give you such a euphoric feeling that you absolutely want to do it again, but i can vouch that this effect sometimes is not repeatable over and over, even if you were to totally regain all endorphins and become totally normal in that respect. The best effect simply cannot be had in some people.(Euphoria is a thing of the passed) For whatever reason, that can happen. You may consider this an adaptation to the constant use of opiates.



im not sure i get this .. so some people re-experience the euphoria they had the first time and some dont ? even if the endorphins return to normal ?:\
 
In some cases endorphins may not have anything to do with it. Like amphetamines, some people build a mental tolerance to opiods.
 
Droop said:
As for the rest (the pentazocine classand fentanyls)Pentazocine is known to affect the K opiate receptors and could be considered fairly toxic by all sources.

The Kappa Opiate receptor is the same receptor that Salvia ( http://www.erowid.org/plants/salvia/salvia_info5.shtml ), do you think that this could mean Salvia is some how toxic?:\
Also I read some where ( It might have been some where on http://opioids.com/ ) that some companies tried making opioids that fitted into the Kappa receptor but they caused hallucinations, does this Pentazocine do that? :\
 
does anybody have more information on darvocet?
Propoxyphene is a very stange chemical and i'd like to
learn more about it.

Anyways, supposedly it's related to methadone.
Does this mean darvocet is essentially weak methadone 1/10th strenth or does it tap less receptors?

Is darvocet as much as an agonist as say meperidine or methadone??????
 
Holmes, i think you got it confused

Methadone itself is not toxic. The incredients in the oal solution sell cause the teeth decay.

I dont know why your so hung up on the word "toxic", because im nore sure what sense you meant it in. Like heroin, is toxic because it can kill, all opiate and opiods are toxic because of this, same with morphine , codeine etc. Whether or not its bad for you is a different story. In one sense they are toxic because if you take enoguh you die, but in a differnt manner they are not "toxic" because they dont cause long term damage or
anything, Dont mix up the word toxicity and bad for you, or causing lasting damage. Although neurotoxicity brings up some other thing. The word is used different.

See what i saying. I think yo a confused nugga'
 
Nice post Droop. I don't understand all the shit that comes with people posting about pills & IV lately. To each is own...
 
Re: Re: Opiate misconceptions and toxic differentials

placid space said:
im not sure i get this .. so some people re-experience the euphoria they had the first time and some dont ? even if the endorphins return to normal ?:\

only once did i ever get euphoria from opiates. the very first time i used them, 5+ years ago after a surgery, they gave me morphine in the hospitol and a script of demeral after being released; i got no euphoria. then maybe 2 years ago, the first time i snorted oxycodone, i had some incredible euphoria. since then, even after a 6+ month break from all drugs, every time i've done any opiates (i've done almost all of them since) i havent had any euphoria. sucks :\
 
Please excuse my ignorant ramblings...

I would assume that fetanyl is quite safe do to its microgram dosage.. It could be fully neurotoxic, yet since the dosage is low, you would not see damage, as the molecules doing the damage are few and far between.. Sam principal with other poisons, it's not how toxic the chem is, but how toxic the chem is in relation with the amount ingested.. Since fentanyl has a dosage less than LSD, I would assume that it is relatively safe on the brain.

Down regulation..... To me, down regualtion never made sense.. I would think that down regulation would cause a much more severe reaction than those observed.. Down regulation would not only fuck up the effect of a drug, but also the effect of the actually neurotransmitter too..

My understaning of down regulation is a neuron is temporarily shut down, inhibting the action of a drug on it.. I.e. the drug binds to its appropriate receptor, but fails to stimulate action potential.... However, wouldnt this mean that if the normal neurotransmitter binds to the site, the same thing would happen, and there would be no action potential?? My opiate tolerance is 4x what it was when I began... Does this mean I have a 4x tolerance to my indigenous endorphins? Surely not, or I would be in horrible pain right now.. Using the theory of how neurons work, I would think that down regulation of opiate receptors would work for any substance that binds to it, and it could not be discriminate in a sense like :"Oh this is heroin, I wont fire for it, but when enkelphin comes along, Ill be sure to". Anyone care to enlighten me, or at least understand what I'm saying..

I would think for tolerance to work, there would have to be upregulation somewhere.. If there is a down regulation of opiate receptors, there would have to be an increase in endorphins to retain normalcy in the body but still mainain synthetic opiate tolerance. If dopamine receptors are downregulated do to cocaine use, then there must be an upping of dopamine production to compensate, otherwise, wouldnt users start contracting Parkinson's?

An idea that makes the most sense to me though, is actual upregualtion of the receptor a drug effects. If you think about it this would work.. Instead of shutting down receptors, what if the body created extra ones? So now you have more opiate receptors controlling the pleasure response.... Now your 12mg dose of heroin will no longer bind to enough receptors to cause the strong pleasure reaction that it could when there were less receptors to bind to..

I dont know, just thinking...
 
^
Downregulating means that there are less receptors to bind to. They hide in the membrane and go inactive.
 
part of the sequence that happens when a neurotransmitter (or drug) bonds to a receptor is that a signal is sent from the dna to either increase (up regulation) or decrease (down regulation) the amount of receptors avaliable.
 
I dont want sound like a elite prick, but the phrase "indigenous endorphins" sort of made me laugh, also because ive seen people wite this at least 3 other times. Your post was intelligent and well witten, you just made a normal slip up. The correct version of what you said was "endogenous opiate".
 
Re: Tolerance

Tolerance primarily happen two ways: through biological changes or via conditioning.

There are two subcategories of biological tolerance:
1. Metabolic tolerance – changes in the body effect the amount of drug getting to its target sites. The body metabolises a drug more efficiently (more enzymes present to break down the drug).
2. Neurological tolerance – changes in the body effect the reactivity of a drug at its sites of action (receptor downregulation, etc.). These changes happen at the synaptic level. This is more common with recreational drug use.

Conditioned tolerance is different from biological tolerance, but is just as powerful/important. Basically, you become used to taking a certain drug or combination thereof in a particular setting (your home, a party, etc). Your body becomes conditioned to that combination of drug/setting, and the effects are not as noticeable.

Simon had a good analogy for this – for most people, a steak is a rare treat that is much enjoyed. If you were to have a steak every day for every meal, the enjoyment would probably diminish or cease. More fanciful preparations of that steak would be required to keep you enjoyment at an acceptable level.

Anyway, if people are interested in this, do a PubMed search (Siegel has done several studies related to behavioural conditioning as it relates to drug tolerance) or PM me (but I’ll be gone for the next 3wks).
 
I'd love to see a study done on the differences in metabolic and neurological tolerances in each opiate. From research and personal use, i have found morphine to be the highest tolerant opiate, and oxycodone to be one of the lowest.
I hope more discussion is stirred up, i like this so far. Very interesting.:)
 
So how does a neuron differentiate between an "endogenous" "opiate", and a foreign one such as morphine???

For instance, 20mg of oxycodone will have new users quite high there first few times.. When I first started, 15mg worked fine... Over periodic usage for aobut 1.5 years, my tolerance is at 40-50mg, yet I am not physically dependant.. This would lead me to believe that my "endogenous opiates" are still working at the same effiacy that they have always, been despite the tolerance to external opiates, due to the fact that i do not show symptoms such as withdrawing between doses..

Its hard to believe that this 100% increase in tolerance would be fully psychological as not only are the euphoric effects equal, but also the somatic such as respiratory depression.

Oh well.
 
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