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Concerta & Ritalin About Methylphenidate.

 
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  #1  
Old 07-03-2009, 19:39
HorseBucket HorseBucket is offline
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Whats OD range for methylphenidate?

Swim was doing a bit of reading on erowid and came across a ritalin trip report and in it erowid says this " [Erowid Note: 230 mgs of methyphenidate is considered an extremely high dose]"

Is that true? What are the signs of a ritalin OD? Dunno exactly how much swims done before but hes definitely done 200mg or more in one night. Not all at once though so id say that helped.

Last edited by HorseBucket; 08-03-2009 at 18:43.
  #2  
Old 07-03-2009, 19:46
haxxor haxxor is offline
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Re: Whats OD range for methylphenidate?

230 mg is a shit ton, but the OD range depending on your weight and tollerance can range from 240 to 300. The actual cause of death from ODing on this stuff is either from a heart attack or Seretonin Syndrome which can be induced by mixing it with other drugs. If you get Seretonin Syndrome (which is the imbalance of Seretonin in your brain) and you don't get help imidiately your pretty much fucked. Be really careful with this stuff you seem like you have a built up tolerance if you can handle more than 200 mg.
  #3  
Old 07-03-2009, 22:04
HorseBucket HorseBucket is offline
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Re: Whats OD range for methylphenidate?

Yea swim rips through 200mg without a bother. He gonna be careful from now on though cuz hes definitely done over 200mg at least once and a couple of times he noticed his heart beating like mad.
  #4  
Old 07-03-2009, 23:01
haxxor haxxor is offline
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Re: Whats OD range for methylphenidate?

If you're resting heartbeat is over 200 beats per minute its a good idea to just chill until your back at your usuall heartbeat when on ritalin.

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Okay, this is a two year old post, but in case somebody reads this: IF YOUR HEART RATE IS 200 BEATS PER MINUTE, CALL AN EMERGENCY NUMBER IMMEDIATELY
  #5  
Old 17-03-2009, 20:36
Rottenfruit Rottenfruit is offline
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Re: Whats OD range for methylphenidate?

Quote:
Originally Posted by HorseBucket View Post
Swim was doing a bit of reading on erowid and came across a ritalin trip report and in it erowid says this " [Erowid Note: 230 mgs of methyphenidate is considered an extremely high dose]"

Is that true? What are the signs of a ritalin OD? Dunno exactly how much swims done before but hes definitely done 200mg or more in one night. Not all at once though so id say that helped.
Same here done over 400 mg in one night
  #6  
Old 20-03-2009, 19:48
chuchu chuchu is offline
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Re: Whats OD range for methylphenidate?

Merck index indicates its 190mg/kg which is the ld50 for methylphenidate
  #7  
Old 20-03-2009, 20:28
Matthijs85 Matthijs85 is offline
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Re: Whats OD range for methylphenidate?

In that case over 200mg might be a high dose, and could maybe cause discomfort, but it is not anywhere nere ODing
  #8  
Old 22-03-2009, 06:30
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Re: Whats OD range for methylphenidate?

SWIM has gone as far as to inject 600mg (two boxes of 10mg) in about 12-15 hours, methylphenidate seems to have cross-tolerance with cocaine for SWIM, first he injected 100mg at once and it was one hell of a ride, and then injected 50mg at a time for the flash and to prolong the effects, the last shot was 120mg and made SWIM have the typical symptoms of a stimulant overdose, heartbeat at 178, profuse sweating, shaking uncontrollably and the “distilled terror” feeling from so much adrenaline over-stimulating the part of the brain that handles fear.

The LD50 is probably for mouse or other small mammal; it cannot be used to determine toxicity in humans is just a measure of general toxicity and by that data methylphenidate is twice safer that cocaine (LD50 95mg/kg).

For a first time user going over 60mg at once could be too much, its better to start slow on SWIY gets used to the drug and effects individual differences in natural tolerance levels can be drastic.

General limits are don’t go above 100mg at once snorted/swallowed and above 60mg injected IV until SWIY is experienced with substance in question and those are limits SWIY should start much lower than that perhaps 50-60% less.

Remember that methylphenidate isn’t “kiddy coke, is a very powerful drug that must be respected and treated with care.

Note: Do not try imitate SWIM actions described in this post: its extremely dangerous and it might kill SWIY, please be cautious and don’t become an statistic.

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A very great post on methylphenidate!.Syd.
A great set of warnings and guidelines.
  #9  
Old 09-11-2011, 08:19
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Re: Whats OD range for methylphenidate?

Quote:
Originally Posted by haxxor View Post
230 mg is a shit ton, but the OD range depending on your weight and tollerance can range from 240 to 300. The actual cause of death from ODing on this stuff is either from a heart attack or Seretonin Syndrome which can be induced by mixing it with other drugs. If you get Seretonin Syndrome (which is the imbalance of Seretonin in your brain) and you don't get help imidiately your pretty much fucked. Be really careful with this stuff you seem like you have a built up tolerance if you can handle more than 200 mg.
Stim as done way more than 300mg and he has never ever OD on Methylphenidate !!! But since Stim has a strong tolerance to Stimulants, Can Stim OD ???
  #10  
Old 09-11-2011, 22:57
methylman251 methylman251 is offline
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Re: Whats OD range for methylphenidate?

Quote:
Originally Posted by superskycore View Post
Stim as done way more than 300mg and he has never ever OD on Methylphenidate !!! But since Stim has a strong tolerance to Stimulants, Can Stim OD ???

Yes you can OD, it doesn't matter what your tolerance is you can ALWAYS OD if you continue to increase the dose. Methylphenidate is not a fun drug to OD on trust SWIM on this one.
Also when taking doses far above the maximum clinical dose the increase does not always lead to a predicable effect (i.e doubling the dose does not necessarily mean that you will get double the effect).
To clarify with mentions of LD50. LD50 is lethal dose for 50% of the population as in 50% of the people who take that dose will die, it is a number you wouldn't want to be anywhere near. It doesn't give any information about toxicity or OD's which can be far lower. (The clearest example of this difference is LSD whose LD50 is far far greater than a dose one would take)

To answer the original question signs of an OD: ones that will be noticed: increased heart rate, increased body temp, lethargy, agitation, its possible to get hallucinations and seizures as well.
  #11  
Old 19-11-2011, 12:18
klaus1971 klaus1971 is offline
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Re: Whats OD range for methylphenidate?

you can take 200 mg
hell i took for several weeks 100 mg to 400 mg a day
and i am still alive
go for it !!!
you can't hardly overdose on uppers
eat well drink enough and keep your benzo's ready
have a great trip!!

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Incorrect, potentially harmful and dangerous advice.
  #12  
Old 19-11-2011, 12:44
missparkles missparkles is offline
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Re: Whats OD range for methylphenidate?

^^^I am still alive...go for it? I hardly think that's a ringing endorsement, do you? Just because one person can take ridiculously high doses of a stimulant drug does not mean that someone else will be able to do the same thing...does it? And yes, you can OD on uppers, its usually mimics a heart attack.

Now come on, lets keep it real, but safe too. Remember the harm reduction ethos that DF prides itself on, it's there for a reason.

Sparkles.
  #13  
Old 19-11-2011, 17:05
klaus1971 klaus1971 is offline
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Re: Whats OD range for methylphenidate?

strange the difference between european and americain
dutch and german experts say you hardly can die with a
"od" uppers
i had such an "od" (just a sort panic atttack) 10 years ago and the doctors were
laughing gave me 20 oxazepam 50 mg and said bye bye
  #14  
Old 20-11-2011, 10:39
missparkles missparkles is offline
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Re: Whats OD range for methylphenidate?

I've known a couple of people who have died from Stimulant ODs, not pretty to watch. But I do get what you're saying. It's like in the UK, ADD/ADHD for adults in non existent (virtually) and you go to almost 99.9% of GPs here and tell them you need meds for your ADD/ADHD they'd laugh (or be astounded) you out of their surgery.

Strange that, isn't it?

Sparkles.

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Tags
drug, heart attack, heartbeat, methylphenidate, methylphenidate dose, methylphenidate overdose, ritalin, stimulant, toxicity, uppers

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