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Nitrous Oxide Nitrous oxide, popularly known as "laughing gas" is commonly used in surgery and dentistry because of its anesthetic and analgesic effects. Nitrous oxide gas is used as a recreational drug for the intense sensation it provides.

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Old 05-15-2009, 06:41 PM
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This is from the web site Dental Fear Central. Explanation of how the gas works!

Laughing gas - Nitrous Oxide - Relative Analgesia - Inhalation Sedation

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How does nitrous oxide work?

Today, we know that nitrous oxide (N2O) on its own can only safely be used for short periods of time (because the lack of oxygen in pure N2O can lead to unconsciousness and even death) - but that it's safe to use for longer periods of time if you mix it with oxygen (O2). Hence, the "laughing gas" used now is called N2O-O2, and contains at least 30% oxygen (that's all the machines used nowadays will permit). Usually, the mix is about 70% oxygen to 30% nitrous oxide.

Depending on the concentration and length of administration of laughing gas, four levels of sedation can be experienced (after an initial feeling of light-headedness):

1. a tingling sensation, especially in the arms and legs, or a feeling of vibration ("parasthesia"), quickly followed by
2. warm sensations, and
3. a feeling of well-being, euphoria and/or floating. During heavier sedation, hearing may dissolve into a constant, electronic-like throbbing.
4. At a deeper level of sedation again, sleepiness, difficulty to keep one's eyes open or speak ("dream") can occur. Should nausea set in, it means you're definitely oversedated!

If you experience any unpleasant symptoms, let your dentist know so that they can adjust the percentage of N2O. Alternatively, just take the mask off.

During relative analgesia, you should stay within the first three stages. The "dream" stage means that the N2O concentration is too high, or that the gas has been administered for too long. This stage can be associated with side effects such as nausea and other potentially unpleasant sensations, including flashbacks. N2O concentration should always be gradually increased ("titrated") at each visit, because people's tolerance can vary from day to day. If you've had bad experiences with laughing gas in the past, it is highly likely that these were due to improper administration and too high a concentration of N2O.

Interestingly, the actual mechanism of action of N2O is still unknown (it appears that there are quite a few different mechanisms at work)! However, it's been observed that N2O depresses almost all forms of sensation - especially hearing, touch and pain, and that it seems to disinhibit some emotional centers in the brain. The ability to concentrate or perform intelligent acts is only minimally affected, as is memory.
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Old 05-15-2009, 07:09 PM
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Actually there is. Using this for a long time, you can get anemia, tinnitus, numbness. It depletes your supply of Vitamin B12. If you take Vit B12 supplements however, these are corrected or avoided.
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Old 05-15-2009, 07:26 PM
zen zen is offline
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Pregnant women are also not safe using this.
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Old 05-15-2009, 07:30 PM
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Quote:
Originally Posted by DocMon View Post
Actually there is. Using this for a long time, you can get anemia, tinnitus, numbness. It depletes your supply of Vitamin B12. If you take Vit B12 supplements however, these are corrected or avoided.
Also, you can get some kind of brain damage from nitrous oxide... this is usually called Olney's lesions.

What's tinnitus? Sounds cute!
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Old 06-14-2009, 08:53 PM
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I think tinnitus is has to do with affecting your ears and hearing, I guess the gas may cause damage to your inner ear and sinuses.
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Old 03-01-2010, 08:33 PM
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Smile :)

ive used gas alot of times in the past, and the effects are unexplainable, they variey from time to time. it can make you laugh histerically, it makes any music around you extremly intense (which for most people is the biggest plus), you can hallucinate from it (only after using a considerable amount) there are many affects.
its not particularly harmful if used in moderation (as with pretty much everything enjoyable in the world!) however using alot over a short period of time can be extremely dangerous, not through the gas itself, simply because of the lack of oxygen to your brain! its a very fast way to die by starving your brain of oxygen.
the feeling you get from doing a balloon instantly makes you want another, however doing a few over the course of a night is'nt going to make you an addict, you will not wake up in the morning wanting more, you wont yurn for it for the rest of the night if you can't get any.
im really not encouraging people to do it, i just thought as alot of people on here seemed to have never come into contact with it they would like an insight
the nitrous oxide used in cars etc is pure and has a lubricant in it making it come out of the tank faster (always handy when using it to power cars) which is extremly dangerous and if anyone inhales it they arn't going to be in a good way. however the stuff used in hospitals/dentists is pretty safe as it has more oxygen in it.
nitrous oxide is also whats used in whipped cream cans incase you would like to know
im not saying its fine to take and its not harmful, as nothing that has that affect on you could possibly be unharmful, however its not THAT bad.
as for the environmental effects, i really dont know anything about it to comment, although i guess its not good.
i hope ive been of some help to someone i really am not encouraging people to do it though.
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