Well first off lemme make it clear to the new dexers that its not DMX (the rapper), or has anything to do with him. So "yall goin' make me lose my mind" if yall keep calling it that. Dont think of dxm as a cough suppresant that fucks you up. Its a powerful drug that in low doses suppresses coughs. Keep in mind that codine and other opiates suppress coughs too, just they would be abused even more than dxm if they were used in cough medicines.

  DXM is short for Dextromethorphan. In small amounts its a very effective cough suppressant, but in large amounts it is a very powerful dissociative drug. This can be found in many over-the-counter cough medicines, and the psychedelic effects begin somewhere over 120mg, but becomes toxic around 20-30 mg/kg. This drug has been used for recreational purposes for around 30 years. When taken recreationally the "trip" usually lasts around 5-6 hours. Thats including the come-up, peak and come-down. Also, most people who take it expirence an "afterglow" the next day which is the slight after-effects of the drug. The feeling of an afterglow is hard to explain, because you can usually definately tell its there, and yet you can usually do everything normally, and its hardly noticable. The afterglow isnt usually very strong but can vary on the person's metabolism, and their dosage and weight. This drug is mildly addictive, but only mentally. This isn't a strong addiction, but yet just the urge to do it again, and this usually doesnt happen till after prolonged use. This drug can be fairly safe for recreational use, if used responsibly. For more info on the bad effects of this drug check out my Bad Effects section. Some people have different reactions to DXM, it depends on the person. Two people might take the same dose according to their weight, and one guy might be like "Damn I was fucked up!", and the other guy could be like "Dude, that stuff got me thinking about my life", it all depends on the person.


• Dextromethorphan Hydrobromide: This is what you get when you react DXM with hydrobromic acid. This is what is most commonly used for cough suppressants and for recreational use. This produces different effects on different doses. We refer to them as plateaus, and there are 4 of them.


• Dextromethorphan Polistirex: This is another form of DXM that is a time-released form of it. It basically has a edible plastic around some of the DXM. This is used in some cough medicines, so when some of the DXM has worn off, then some more will kick in. This is usually not the preferred type of DXM to use recreationally, because it usually takes longer for it to kick in, and it sometimes is not as strong.

"Dexing for Dummies" vol. 1

RFG's "Beginner's Guide to DXM"


DXM has notably different effects at different dosage levels. There are 4 distinctive levels, and we call these levels "plateaus". Most recreational use happens during the first and second plateau. Doses are measured in mg/kg or milligrams per kilogram. So to find you dosage take your weight in kg (pounds divided by 2.2), and then divide it by how many total milligrams your taking. It is hard to describe how any of these plateaus feel, because DXM is one of those things you have to experience to know.


• 1st Plateau: 1.5-2.5 mg/kg This is the weakest level. This feels slightly intoxicating. One of the best things I like about the first plateau, is that music is really great. You can really get into your music on this plateau. Sometimes it feels like your on the front row of their concert.

• 2nd Plateau: 2.5-7.5 mg/kg This level is often compared to being stoned and drunk at the sametime. When this might seem true, there is also a noticably strong "mental" high also. You can have trouble talking with slurring, and can have a hard time carrying on an indepth conversation, because your short-term memory can be temporarily impared. And occasionally you can have mild hallucinations.

• 3rd Plateau: 7.5-15 mg/kg This level has strong intoxications and hallucinations. Things can become very confusing as your thinking processes are disturbed. You can sometimes daze-off into your own world, and get lost in your own mind. Trips in this plateau can sometimes be unpleasant.

• 4th Plateau: +15 mg/kg This is the strongest level. This is a sub-anesthetic dose, and can be compared to a high dose of Ketamine. Your mind and body become seperated at this level and it can become dangerous psychologically, and physically. Personally I say that you should never have to go this high, it can be very dangerous. But whatever you do, NEVER go past 20 mg/kg (about 2000mg for a 220lb person), this can become very toxic and kill you.

Plateau Calculator

Enter Your Weight:   Lbs Kgs

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Desired Destination:

Mg of DXMOz of Syrup
Minimum Dose
Recommended Dose
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Written by AmadeusX

• Download a nice windows DXM Calculator to help with plateau calculations. - Written by sonofagun

• Download a plateau calculator for the TI-83 calculator, or view the code for it.


  I hate it when people go and say that DXM isnt a real drug, because I'll be trying to tell someone about it and then they will come back saying, "Well, I like sticking to real drugs, not trying to get cheap highs off stuff Im not supposed to." First off if you've never tried it then dont go talking shit, because you have no clue what the hell you are talking about. Secondly, what makes something a real drug and DXM not a real drug? Just because its on the shelves? The only reason its on the shelves is because its one of the best cough supressants out there, that most people dont know is a drug. And just because you hear of people chugging cough syrup, that dosent make it any less of a drug. Im sure if they had some of the pure powder, they would much rather do that, and its just more convienient to be able to walk into the grocery store, and buy drugs. I bet you cant say you can do that with your "real" drugs. DXM is one of the most intensive highs I've ever experienced, an its gotta be pretty damn strong if its sometimes given to recovering heroin addicts. Now, dont get me wrong, not everyone likes it. 33% of people who use it love it, 33% of people hate it, and another 33% dont really care about it. But anyways, theres a piece of my mind. Just before you're too quick to judge it, give it a try. Oh, and read the FAQ.

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