Hypnotherapy: For Drug Addiction To Cure Cancer
The first part
In the world of health, hypnosis (which is) is not a new way. Among psychiatrists and dentists have used to implement certain to therapy. The scope of medicine is more intimately known as medical-hypnosis. Read more
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Pronunciation: NIGH-truhs OX-eyed
Chemical Abstracts Service Registry Number: 10024-97-2
Formal Names: Dinitrogen Monoxide, Dinitrogen Oxide, Entonox
Informal Names: Fall Down, Gas, Hippie Crack, Hysteria, Laughing Gas, Nitro, Nitrous, Nitrous Acid, Noss, Pan, Shoot the Breeze, Tanks, Thrust, Whippets
Type: Inhalant. Federal Schedule Listing: Unlisted USA Availability: Nonprescription, but sales and usage are controlled in some jurisdictions Read more
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Pronunciation: OH-pi-uhm
Chemical Abstracts Service Registry Number: 8008-60-4
Formal Names: Papaver album, Papaver somniferum, Poppy
Informal Names: Ah-pen-yen, Aunti, Aunti Emma, Big O, Black, Blackjack, Black Pill, Black Stuff, Chandoo, Chandu, Chinese, Chinese Molasses, Chinese Tobacco, Chocolate, Cruz, Dopium, Dover, Dover’s Deck, Dover’s Powder, Dreamer, Dream Gun, Dreams, Dream Stick, Easing Powder, Emma, Fi-Do-Nie, Garden-Poppy, Gee, God’s Medicine, Goma, Gondola, Gong, Goric, Great Tobacco, Gum, Guma, Hard Stuff, Hocus, Hop, Indonesian Bud, Joy, Joy Plant, Mawseed, Midnight Oil, Mira, Mud, O, Oil, OJ, OP, Ope, Pen Yan, Pen Yen, PG, Pin Gon, Pin Yen, Plant, PO, Pox, Skee, Tar, Tongs, Tox, Toxy, Toys, When- Shee, Winshee, Yen Shee Suey, Ze, Zero
Type: Depressant (opiate class).
Federal Schedule Listing: Schedule II (DEA no. 9600)
USA Availability: Prescription
Pregnancy Category: C Read more
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Pronunciation: fen-MET-rah-zeen
Chemical Abstracts Service Registry Number: 134-49-6
Formal Names: Filon, Preludin
Informal Names: Sweeties
Type: Stimulant (anorectic class).
Federal Schedule Listing: Schedule II (DEA no. 1631)
USA Availability: Prescription
Uses.
Immediately upon announcement of the drug’s discovery in 1954 it was utilized in Germany as an appetite suppressant. A couple years later the same medical use began in the United States with expansive claims about patients obtaining substantial weight loss without having to follow a regimen of dieting, claims that became more modest as experience with the drug spread. One experiment testing the drug’s influence on appetite yielded a result relevant to drug experiments in general: The substance worked better when people knew its intended effect. If people knew they were supposed to feel less hungry, they noticed less desire for food and then ate less. Early reports praised phenmetrazine for producing more appetite loss than amphetamine and with fewer unwanted effects. Since then phenmetrazine has fallen into disfavor due to concern about addictive potential even though the drug is described as resembling caffeine more than amphetamine.
In dogs phenmetrazine has only one sixth to one tenth the strength of amphetamine. One type of canine experiment showed dextroamphetamine to be 250 times stronger than phenmetrazine. In dogs a much higher dose of phenmetrazine is needed for the same weight loss produced by benzphetamine, and an experiment with 75 humans had results consistent with that tendency,
finding phenmetrazine to be less effective than benzphetamine in promoting weight loss. In contrast, another human weight reduction experiment with 81 persons was unable to demonstrate such a difference. That study did show, however, that users obtain fewer amphetamine effects from phenmetrazine than from dextroamphetamine.
Phenmetrazine has worked as an antidepressant, and for some overweight persons that effect may enhance the drug’s appeal (overeating can be a response to depression). The substance shows effectiveness against motion sickness and against symptoms of diabetes insipidus. As a possible cure for bedwetting, the drug produced mixed results. The compound has also been
used to treat asthma and Parkinson’s disease.
Drawbacks.
Intravenous abuse can harm muscles and kidneys. Phenmetrazine can produce standard amphetamine effects such as euphoria, restlessness, jumpiness, insomnia, tics, fatigue reduction, faster breathing, and higher blood pressure. Studies have found phenmetrazine’s actions on patients with heart trouble or hypertension (high blood pressure) to be measurable but negligible.
Taking the high blood pressure medicine propranolol along with phenmetrazine can relieve cardiac effects without diminishing anorectic effects. Studies with diabetic users find phenmetrazine having little influence on blood sugar levels or on insulin needs.
Fluctuating emotions and even psychosis have been attributed to phenmetrazine abuse. Psychosis can include hallucinations and paranoia. That affliction can stop when drug taking stops, or instead the drug may break down barriers releasing full-fledged and long-lasting schizophrenia. Phenmetrazine interferes with dreaming during sleep, which in itself may cause psychological trouble.
Abuse factors.
Tests of drug preference, in which users could choose among several substances, found benzphetamine and phenmetrazine to have about the same amount of appeal even though benzphetamine is a Schedule III substance (a status implying a lower addictive potential than phenmetrazine). In one such test, volunteers found phenmetrazine to be a satisfying substitute
for dextroamphetamine but preferred the latter. Abusers of amphetamine and methamphetamine have routinely switched to phenmetrazine when their favored drug was unavailable.
Drug interactions.
An experiment found that chlorpromazine (Thorazine) interacts with phenmetrazine, hindering phenmetrazine’s normal anorectic benefit.
Cancer.
In pregnant women phenmetrazine may undergo transformations suspected of promoting childhood tumors.
Pregnancy.
Phenmetrazine was formerly prescribed to pregnant women seeking to lose weight. A study of over 10,000 birth and childhood records found the drug having no “severe” impact on fetal development. Other studies have found no birth defects at all, although medical literature from the early 1960s does contain a handful of reports in which the drug is suspected of harming fetuses. Those suspicions were never verified but were strong enough to suspend medical use of the drug in some countries for a while.
Combination products.
Filon combines phenmetrazine theoclate (CAS RN 13931-75-4) and phenbutrazate hydrochloride and is promoted as having phenmetrazine’s weight loss characteristics while lacking hazard of addiction. Initial clinical trials showed Filon to be an effective anorectic with fewer of phenmetrazine’s unwanted qualities, but a later study found the two drugs
to have the same unwanted effects. A case of Filon addiction also surfaced, but that single instance hardly proves Filon to have more addictive potential than any other drug considered to have low or zero potential.
Additional scientific information may be found in:
Gilstrap, L.C. III, and B.B. Little, eds. Drugs and Pregnancy. New York: Elsevier, 1992.
Martin, W.R., et al. “Physiologic, Subjective, and Behavioral Effects of Amphetamine, Methamphetamine, Ephedrine, Phenmetrazine, and Methylphenidate in Man.”
Clinical Pharmacology and Therapeutics 12 (1971): 245–58.
Mellar, J., and L.E. Hollister. “Phenmetrazine: An Obsolete Problem Drug.” Clinical
Pharmacology and Therapeutics 32 (1982): 671–75.
Negulici, E., and D. Christodorescu. “Phenmetrazine Psychosis.” British Medical Journal
3 (1968): 316.
Penick, S.B, and J.R. Hinklele. “The Effect of Expectation on Response to Phenmetrazine.”
Psychosomatic Medicine 26 (1964): 369–73.
Rosen, A., and I.J. Oberman. “Addiction to Phenmetrazine Hydrochloride and Its Psychiatric
Implications.” Journal of the American Osteopathic Association 59 (1960): 722–26.
Spillane, J.P. “The Use of Phenmetrazine.” The Practitioner 185 (1960): 102–6.
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Opium (Papaver album, Papaver somniferum, Poppy)
Pronunciation: OH-pi-uhm
Chemical Abstracts Service Registry Number: 8008-60-4
Formal Names: Papaver album, Papaver somniferum, Poppy
Informal Names: Ah-pen-yen, Aunti, Aunti Emma, Big O, Black, Blackjack, Black Pill, Black Stuff, Chandoo, Chandu, Chinese, Chinese Molasses, Chinese Tobacco, Chocolate, Cruz, Dopium, Dover, Dover’s Deck, Dover’s Powder, Dreamer, Dream Gun, Dreams, Dream Stick, Easing Powder, Emma, Fi-Do-Nie, Garden-Poppy, Gee, God’s Medicine, Goma, Gondola, Gong, Goric, Great Tobacco, Gum, Guma, Hard Stuff, Hocus, Hop, Indonesian Bud, Joy, Joy Plant, Mawseed, Midnight Oil, Mira, Mud, O, Oil, OJ, OP, Ope, Pen Yan, Pen Yen, PG, Pin Gon, Pin Yen, Plant, PO, Pox, Skee, Tar, Tongs, Tox, Toxy, Toys, When- Shee, Winshee, Yen Shee Suey, Ze, Zero
Type: Depressant (opiate class).
Federal Schedule Listing: Schedule II (DEA no. 9600)
USA Availability: Prescription
Pregnancy Category: C
Uses.
Many opium products are discussed elsewhere in this book, but here we are dealing with the substance from which all those products originate. Opium has long been used to relieve pain, fight coughs, cure diarrhea, and control spasms. Traditionally, opium is dried sap harvested from the seedproducing portion of opium poppy plants. At harvest time fields of poppies can have a strong smell, and children in the fields can be overcome by those airborne chemicals. A modern opium variety is “poppy straw,” composed of dry or liquid extracts from the plant. The natural product can be used by itself or can be refined to produce various drugs known as “opiates,” valued for their medicinal effects.
Archaeologists have found evidence of opium poppy cultivation dating from 15,000 years ago, but examination of historical records has not proven that ancient peoples understood opium’s medicinal benefits; the product may have been used traditionally but without understanding how or even whether it worked. Opium may have been used in Roman Empire religious ceremonies, perhaps exploiting the drug’s effects to symbolize a process of death and reincarnation, and even older records imply that ancients may have believed that opium could produce happiness, although evidence of ancient recreational use is nonexistent.
The Opium War from 1840 to 1842 was the first drug war, followed by the second Opium War of 1856 to 1860. These military conflicts were fought against China by England and other European powers in order to force the Chinese government to legalize the opium trade (certainly a goal different from that of the “drug war” familiar to Americans as the twenty-first century
began).
Opium and its morphine component were widely used to treat wounded soldiers in the American Civil War, and later historians have routinely said that addiction became so common that it was called “the soldier’s disease.” Such illness may have existed, but an investigator who diligently examined medical writings from that time found none that attributed postwar addictions to war-related medical use. In that era the opium trade was legal, and someone who analyzed opium import statistics found no evidence that consumption rose due to Civil War addictions; a distinguished authority has noted that people of that era called dysentery “the soldier’s disease.”
Just before World War I an article in the Journal of the American Medical Association declared, “If the entire materia medica at our disposal were limited to the choice and use of only one drug, I am sure that a great many, if not the majority, of us would choose opium; and I am convinced that if we were to select, say half a dozen of the most important drugs in the Pharmacopeia,
we should all place opium in the first rank.”1 Although many useful drugs have been discovered since then, opium is still the basis for many standard medications. Because opium is a natural product, its morphine content can vary greatly from batch to batch. Opium commercially processed for medical use is adjusted so that 10% of any given amount of medical opium is composed of morphine.
Although medical opinion about opium has changed little, public opinion has changed a lot. Reasons for that shift go beyond the scope of this book, but in the nineteenth century, use of opium and its derivatives had wide social approval in America. Alcohol was considered more hazardous to health and home. One of the most telling measures of approval came from the life insurance industry in India, which freely granted policies to known opium users, as mortality statistics showed opium having no effect on life span. A life insurance official reported similar experience in China, although older users in China had higher mortality than older nonusers (probably many users took the drug for diseases that nonusers did not have, with the death rate
related more to those diseases than to opium). Some of those statistics would change as the twentieth century progressed because drug laws would change the kinds of people who used opium, thereby associating opium with populations having higher mortality for reasons unrelated to opium’s drug properties.
Although identified with China, opium has been grown in the United States. In the late eighteenth century Benjamin Franklin used laudanum (typically wine laced with opium) to treat himself for kidney stones. During the nineteenth century Americans used opium mainly as an ingredient in laudanum and paregoric. Paregoric is a liquid including anise, camphor, and opium. Paregoric was first produced in the eighteenth century as an asthma medicine.
The compound is no longer used for that purpose but can reduce lung congestion by helping people to cough up mucus. Paregoric is a standard diarrhea remedy and is used to help infants suffering from drug withdrawal syndromes. In the 1960s the compound had a flurry of popularity among opiate addicts who would process the product in hopes of isolating the opium, then inject the substance they produced. The outcomes were typical of what happens when oral medications are injected, resulting in lung damage and disfiguring injuries to injection sites.
Less familiar modern opium preparations include home remedy mixtures of the substance with caffeine, aspirin, and acetaminophen (Tylenol or other brands). In America opium preparations were once a standard method of quieting noisy infants and children, and that practice is still followed in some parts of the world. One hazard in that custom is the possibility of fatal overdose,
as people administering such concoctions do not always understand pediatric dosage.
Drawbacks.
Although some opium users have generally unhealthy lifestyles, few ailments have been attributed solely to the drug. Those ailments tend to be in the gastrointestinal tract, such as problems with the small intestine’s bile duct. “Cauliflower ear,” in which an ear thickens and becomes misshapen, was once associated with opium smoking. The affliction, however,
apparently came not from the drug but rather from the habit of lying down for hours in a comatose condition with an ear pressing against a hard surface.
Abuse factors.
Recreational use of opium is harder to define than we might think, because even if persons take the drug in a social setting, they can be seeking to reduce mental anxiety or physical pain, which is not the same as using a drug for fun. Some people swallow dry opium or drink tea made with
seed or with dried heads of poppy flowers. In the nineteenth century poppy tea was a common medicinal drink, but in the early twenty-first century the habit tends to be limited to opiate addicts. The traditional recreational way to use opium is to inhale its smoke. Heating opium enough to make it smoke can reduce the drug content, and opium is already far weaker than substances refined from it (such as morphine and heroin). One authority estimates that
the amount of active drug inhaled by someone who smokes a given weight of opium will typically be 300 to 400 times less than the drug content in the same weight of injected heroin. Moreover, while an entire dose of heroin might be ingested in a few seconds, a pipeful of opium is smoked over a much longer period to slowly savor its effects, further reducing the opium’s impact. The English poet Samuel Taylor Coleridge started out using opium for medical purposes, as did Thomas De Quincey, and both men produced classic accounts of hallucinations and creative inspiration occurring under opium’s influence. Those accounts and later ones may well be true, but for such results people need to be particularly sensitive to the drug and also be prone to such experiences regardless of pharmaceutical encouragement. Arsenic is sometimes added to opium to increase smokers’ interest in sexual activity, a practice generating reports of arsenic poisoning among users. Drug interactions. Not enough scientific information to report about the natural product, although many studies have examined drug interactions with opiates and opioids.
Cancer.
Laboratory tests find that opium smoke may cause cancer, as may opium dross (waste products, such as scrapings from the inside of an opium pipe, which some persons chew or suck). Opium is suspected of causing esophageal and bladder cancer.
Pregnancy.
A pregnant woman using paregoric can give birth to an infant having dependence with opium.
Additional information.
Seed from opium poppies is a food product commonly used in breads, cakes, and candies. Consumption of amounts found in a normal meal can cause a false opiate positive in drug screens; controversy exists about whether further analysis of results from such testing can show
that poppy seed was the cause. Poppy seed oil is a comparatively unfamiliar product, but animal tests indicate it has good potential for human nutrition. In some parts of the world iodized poppy seed oil has been used instead of iodized salt to treat goiter and has been suggested as a means of preventing nervous endemic cretinism caused by iodine deficiency in the diet of pregnant
women. Iodized poppy seed oil is taken up by cancerous portions of a liver, giving the substance clinical usefulness if anticancer drugs are blended into it, as the drugs then concentrate exactly where they are needed in the liver. Results from animal research have led investigators to speculate that consuming normal poppy seed oil may help prevent cancer.
Opium lettuce is not related to opium but can produce mild sensations similar to opium. Sedative and pain relief qualities of opium lettuce have been used for centuries. Lung and urinary tract afflictions have been treated with it. Opium lettuce is smoked for recreational purposes, but results have not caused the practice to gain popularity. A case report tells of individuals who
received medical care after injecting a preparation made from the plant. It has other names including Acrid Lettuce, Bitter Lettuce, Compass Plant, Great Lettuce, Green Endive, Lactucarium, Lactuca virosa, Poison Lettuce, Prickly Lettuce, Strong-Scented Lettuce, and Wild Lettuce.
Additional scientific information may be found in:
Aurin, M. “Chasing the Dragon: The Cultural Metamorphosis of Opium in the United
States, 1825–1935.” Medical Anthropology Quarterly 14 (2000): 414–41.
Gharagozlou, H., and M.T. Behin. “Frequency of Psychiatric Symptoms among 150
Opium Addicts in Shiraz, Iran.” International Journal of the Addictions 14 (1979):
1145–49.
Goodhand, J. “From Holy War to Opium War? A Case Study of the Opium Economy
in North-Eastern Afghanistan.” Disasters 24 (2000): 87–102.
Haller, J.S. “Opium Usage in Nineteenth Century Therapeutics.” Bulletin of the New
York Academy of Medicine 65 (1989): 591–607.
Kalant, H. “Opium Revisited: A Brief Review of Its Nature, Composition, Non-Medical
Use and Relative Risks.” Addiction 92 (1997): 267–77.
Lerner, A.M., and F.J. Oerther. “Characteristics and Sequelae of Paregoric Abuse.” Annals
of Internal Medicine 65 (1966): 1019–30.
Quinones, M.A. “Drug Abuse during the Civil War (1861–1865).” International Journal
of the Addictions 10 (1975): 1007–20.
Strang, J. “Lessons from an English Opium Eater: Thomas De Quincey Reconsidered.”
International Journal of the Addictions 25 (1990): 1455–65.
Note
1. 64 (February 6, 1915): 477.
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Pronunciation: NIGH-truhs OX-eyed
Chemical Abstracts Service Registry Number: 10024-97-2
Formal Names: Dinitrogen Monoxide, Dinitrogen Oxide, Entonox
Informal Names: Fall Down, Gas, Hippie Crack, Hysteria, Laughing Gas, Nitro, Nitrous, Nitrous Acid, Noss, Pan, Shoot the Breeze, Tanks, Thrust, Whippets
Type: Inhalant.
Federal Schedule Listing: Unlisted
USA Availability: Nonprescription, but sales and usage are controlled in some
jurisdictions
Uses.
This drug has been known since the 1720s. Some authorities describe nitrous oxide as an opioid; some persons even use the gas to counteract effects from stimulants. Nitrous oxide actions and its recreational use are similar to those of other inhalants. Recreational use is illegal in some jurisdictions but has a venerable history. The writer Samuel Taylor Coleridge, thesaurus compiler Peter Mark Roget, and potter Josiah Wedgwood were all eighteenthcentury notables who relaxed with nitrous oxide.
Although this substance is a pharmaceutical product, it also occurs naturally. For instance, eating lettuce generates enough nitrous oxide that scientists can measure it in a person’s breath. Large quantities are produced by wild prairie grass. Humans do not receive enough nitrous oxide from such natural sources to be affected, however. The substance is also produced by the human
body. One study found the amount to increase as oral hygiene declined. As with the amounts produced by grass and lettuce, the level created by the body is too small to have any known effect on a person. From a global environmental perspective, however, nitrous oxide is a gas that promotes the greenhouse effect and ozone layer destruction, and concern exists about medical
usage affecting the world’s climate. Medical sources are estimated to create 2% of the atmosphere’s supply. Such usage may seem insignificant in that regard, but the gas is so durable in the atmosphere that any artificial source has been described as an environmental hazard.
Medically this drug is used as an anesthetic and to relieve pain ranging from dental work to migraine headache and cancer. In a medical context nitrous oxide is considered a reliable sedative. Experimental usage to treat anxiety has been successful, and one authority has noted a therapeutic antidepressant action. The substance has been used to help persons break entazocine addiction. Researchers report success in using the gas to ease alcohol,
nicotine, and opioid withdrawal and to reduce craving for alcohol, tobacco, and marijuana among addicts. The latter three substances are so different from one another that nitrous oxide’s ability to reduce craving for all of them is remarkable. Some medical practitioners claim that a single dose of the gas actually eliminates craving for those substances, but that claim sounds much
like those made for other “miracle cure” addiction treatments over the years but that turned out to be overly optimistic.
In former times, nitrous oxide was used to fight ear afflictions. For many years the substance was believed to make hearing more acute, but tests of hearing ability while using the compound show no improvement—and volunteers in those tests even felt they had lesser ability to detect soft sounds.
Nitrous oxide can increase pressure in the middle ear, and a case report tells of treatable hearing loss caused by the drug. Hearing defect has been reported from recreational use as well.
Typical nitrous oxide actions are tingling, numbness, dreaminess, euphoria, dysphoria (the opposite of euphoria), altered sensory perceptions, changed awareness of the body, and different experience of time flow. Although nitrous oxide is not classified as a hallucinogen, some descriptions of experiences are indistinguishable from hallucinations, particularly if a user is talented at creating internal imagery. Some persons claim to achieve mystical insight
while under the drug’s influence. Intoxication from a dose lasts only a few minutes.
Drawbacks.
The substance disrupts learning ability. That action has been exploited medically to promote amnesia of unpleasant procedures. In a typical experiment volunteers who inhaled a low dose of the drug showed worsened reaction time, worsened ability to do arithmetic, and general sedation accompanied by nervous system depression (as opposed to stimulation). Interference with driving ability has been noted one-half hour after a dose. In another experiment volunteers felt stimulated; in still another experiment some individuals were sedated, and others became stimulated. One group became weary, uneasy, and confused. Short-term exposure can cause dizziness, nausea, vomiting, and breathing difficulty. Some recreational users quickly inhale
as much nitrous oxide as possible and hold their breath. This technique causes a sudden change of pressure inside the lungs and can rupture small interior structures needed for breathing. Blood pressure can go up or down, depending on dosage. Users can lose consciousness, which may be hazardous in a recreational context due to falls or inability to shut off the gas source. The
substance deactivates vitamin B12, an effect that can cause numbness and difficulty in moving arms and legs. Other results can be impotence and involuntary discharge of urine and feces. Nitrous oxide interferes with blood clotting, and long-term exposure has caused blood abnormalities. Persons with chronic industrial exposure have more kidney and liver disease than usual.
Nitrous oxide can become very cold when released as a gas from a pressurized container, cold enough to cause frostbite upon meeting skin or throat.
Breathing nitrous oxide without an adequate supply of oxygen can be fatal; a little in a closed space or a lot from a face mask can suffocate a user. Although nitrous oxide is called nonflammable, when inhaled it can seep into the abdominal cavity and bowels, mixing with body gases to create a flammable combination. If ignited the result would be like setting off an explosive inside the body; the danger is real enough that surgical personnel administering
nitrous oxide as an anesthetic have been warned about it.
As with many other drugs, effects of nitrous oxide can be influenced by changes in setting. For example, volunteers who knew what to expect performed better on tests than persons who had no information about what nitrous oxide would do to them.
Abuse factors.
In tests of the drug’s appeal, people in general chose nitrous oxide no more often than placebo; such lack of preference is a classic sign of low addictive potential. One experiment revealed a catch to such findings, however: Volunteers who enjoyed nitrous oxide effects chose it more often than placebo, and volunteers who disliked the drug actions chose it less often
than placebo. Thus, overall in the general population the drug might be no more attractive than placebo, but nonetheless some persons may find it captivating.
Such a finding is consistent with drugs having high abuse potential, such as heroin; so the fact that persons typically find no attraction in nitrous oxide does not prove low abuse potential for nitrous oxide. Its nickname “hippie crack” suggests that users have recognized an abuse potential. Nonetheless, a medical practitioner who administered the gas as a drug addiction
treatment said that in 15,000 cases not a single addict indicated subsequent craving for nitrous oxide; such a patient population would be expected to show particular susceptibility if given a substance with abuse potential. The same practitioner notes that regardless of theoretical possibilities, 200 years of experience demonstrate that nitrous oxide is among the least abused drugs.
Tolerance develops in rats. Human experimentation documents tolerance developing to some effects (such as euphoria and pain relief) but not necessarily to all.
Drug interactions.
In an experiment comparing light drinkers of alcohol to moderate drinkers, the moderate drinkers found nitrous oxide more appealing. One group of researchers found that alcohol boosts nitrous oxide effects and that the drug combination creates effects produced by neither substance alone. Those researchers concluded, however, that the combination was not
potent enough to have more appeal than nitrous oxide alone. That conclusion assumes, of course, that drug abusers base their conduct on rational analysis of scientific findings. In a similar experiment comparing users and nonusers of marijuana, when given a choice neither group preferred nitrous oxide more than a placebo, but nitrous oxide effects felt stronger to marijuana users. In rats ketamine boosts effects from nitrous oxide. In a human medical context
that combination is routine and appears safe, but the combination causes brain damage in rats. Persons using morphine or other opiates can experience muscle rigidity when inhaling nitrous oxide, a situation that can interfere with breathing.
Cancer.
Studies do not indicate that nitrous oxide causes cancer in animals. Whether the drug causes cancer in humans is unknown. Genetic damage similar to the amount from daily smoking 10 to 20 cigarettes has been found in health care workers routinely exposed to minuscule amounts of nitrous oxide; such damage might have a potential for causing cancer.
Pregnancy.
Fertility is lower in female rats exposed to nitrous oxide than in rats having no exposure. Lower fertility has also been observed among female health care workers with occupational exposure to the gas, and reduced fertility is also reported for males. Offspring of male mice exposed to nitrous oxide have weighed less than normal and have not matured as fast as normal.
Birth defects resulted from an experiment exposing pregnant rats to the gas for 24 hours. When given to pregnant women during childbirth the drug builds up in the fetal blood and brain; one authority recommends administering oxygen to any newborn whose mother received nitrous oxide while giving birth. As the twenty-first century began researchers reported that the
gas might cause permanent fetal and newborn brain damage, a finding in contrast to previous understanding of the drug. Occupational exposure to nitrous oxide is associated with smaller infants and lower birth weight and may increase likelihood of spontaneous abortion. Pregnant and breast-feeding health workers are advised to avoid rooms where nitrous oxide residues may
contaminate the air. Sperm abnormalities and lower fertility have been noted in male rats exposed to nitrous oxide. Wives of men exposed to the gas have shown a higher spontaneous abortion rate, compared to wives of men with no exposure. The compound is not detected in milk of nursing mothers.
Additional information.
“Nitrous acid” is an unstable nitrite substance. The nickname “nitrous acid” is sometimes used for nitrous oxide, but they are different substances.
Additional scientific information may be found in:
Block, R.I., et al. “Psychedelic Effects of a Subanesthetic Concentration of Nitrous Oxide.”
Anesthesia Progress 37 (1990): 271–76.
Danto, B.L. “A Bag Full of Laughs.” American Journal of Psychiatry 121 (1964): 612–13.
Dohrn, C.S., et al. “Subjective and Psychomotor Effects of Nitrous Oxide in Healthy
Volunteers.” Behavioural Pharmacology 3 (1992): 19–30.
Linden, C.H. “Volatile Substances of Abuse.” Emergency Medicine Clinics of North America
8 (1990): 559–78.
Temple, W.A., D.M. Beasley, and D.J. Baker. “Nitrous Oxide Abuse from Whipped
Cream Dispenser Chargers.” New Zealand Medical Journal 110 (1997): 322–23.
Yagiela, J.A. “Health Hazards and Nitrous Oxide: A Time for Reappraisal.” Anesthesia
Progress 38 (1991): 1–11.
Zacny, J.P., et al. “Examining the Subjective, Psychomotor and Reinforcing Effects of
Nitrous Oxide in Healthy Volunteers: A Dose-Response Analysis.” Behavioural
Pharmacology 7 (1996): 194–99.
