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As an analgesic heroin is safe, effective and has a wide safety margin. However, it is perceived by many as a 'horror drug'. The situation demonstrates the powerful influence of policies or legal status of a drug on the lives of those who choose to use the substance unlawfully.
Heroin is a semi-synthetic opiate derived from morphine. It is produced in minimal amounts legally and street heroin is produced in illicit laboratories. The chemical is a white crystalline powder, soluble in water. Coloured preparations reflect different contaminants present.
The drug is most commonly administered by injection (IV or IM) but it is also active if smoked. While the drug can be used orally it is more often used parenterally because this is a far more cost effective means of achieving the desired psychoactive effects.
The onset of action is rapid and the duration of action is approximately 3-4 hours. The immediate effect or 'rush' after an IV dose is related to the high fat solubility of the drug and thus its rapid entry into the brain.
PATTERNS OF DRUG USE
As heroin is not legally available in Australia, illegal users obtain supplies of the
drug on the street. This results in the dosage being:
Most users inject their dose using a number of solvents for the powder they purchase. Acidifying agents are used to facilitate dissolving the drug and these in their own right may produce complications (eg fungal contamination of lemon juice). Users inject intermittently and may pass from recreational use (1 x week or less) to a major habit where doses costing up to $1000 day are used in 3-4 injections.
It is apparent that treating an individual who shoots up four times a day with heroin would prove very difficult if each dose had to be supervised. Many illicit users are unable to obtain regular doses every day and will substitute heroin with other CNS depressants, typically benzodiazepines.
PROBLEMS ASSOCIATED WITH HEROIN USE
Apart from the risk of overdose which is a direct CNS effect of the drug, most complications of heroin use relate to the injection of contaminated material, or the use of non-sterile injecting equipment.
Dependence, both physical and psychological, results from regular use of the drug and
withdrawal will develop within 12 hours of ceasing regular usage. Maximal withdrawal
symptoms are experienced between 36 and 72 hours and symptoms consist of:
MANAGEMENT OF HEROIN DEPENDENCE
Management of heroin dependence is complex. A number of alternatives are available to those who are opioid-dependent. Treatment options include methadone substitution, detoxification in a hospital or approved detoxification centre, supervised outpatient detoxification, drug-free therapeutic community programs, rehabilitation in a residential centre, individual or family counselling and self-help groups.
While drug-free treatments attract fewer patients than methadone maintenance, have lower rates of retention in treatment, and lower rates of successful graduation to a sustained drug-free lifestyle, they have been shown to be effective in reducing the frequency of injecting drug use. The natural history of opiate dependence indicates that many do grow through their period of dependence irrespective of treatments offered. Each approach aids some patients but by no means all.
The morbidity of heroin users is significantly higher than that of their non-drug using peers. This reflects the severity of many of the complications they experience, including those related to their drug-seeking lifestyle, eg nutritional deficits, violence.
Methadone has been employed in the management of heroin users for over 20 years, but despite this many arguments continue to rage regarding the place of this treatment approach.
Methadone, a synthetic opiate, replaces heroin and in doing so decreases the need for heroin-dependent individuals to regularly use the intravenous opiate. As methadone has a longer life in the body than heroin, clients participating in a methadone maintenance program receive a single prescribed dose of methadone every day. The dose is determined according to the characteristics of the individual. The amount of methadone prescribed is enough to eliminate withdrawal symptoms for 24-36 hours, while still allowing the individual to undertake normal activities and functions.
The client must take the prescribed dose every day to ensure a stable level of methadone in the bloodstream and control any physical effects which may be experienced. The effects of the drug will vary from person to person. While some individuals will not experience any adverse effects, the strength of effects and their duration may depend upon the size of the dose and the frequency of administration.
* These effects should not usually occur if the appropriate dose of methadone has been prescribed. However, if any of these effects occur, they should be reported immediately and dose and frequency of administration monitored or adjusted.
Methadone, when administered in pure and regular doses as part of a treatment program, should not have any severe long-term effects on an individual's health.
Possible long-term effects:
These effects are often emphasised by the opiate-dependent and their suppliers to avoid treatment.
MIXING DRUGS CAN BE DANGEROUS
Using other drugs with methadone can be dangerous. This includes alcohol, tranquillisers and cannabis. While some drugs reduce or change the effects of methadone, methadone itself can alter the effectiveness of other drugs, or produce unexpected side effects.
It is very important that people inform their doctor or dentist of their participation in a methadone maintenance program to ensure that they are not prescribed anything which could affect the treatment, and so that other medical procedures (eg administration of anaesthetics) are safe.METHADONE MAINTENANCE PROGRAMS
In establishing an effective methadone program, it is appropriate to have a clear view
of what the methadone is being used for. Guidelines for achieving success should include:
This list does not suggest that policies may vary from unit to unit and this is indeed the case. Perhaps the most common use of methadone is in the form of a long-term maintenance program in which patients receive a once-daily doses of methadone over a period of months or, in many cases, years. Urine testing is carried out in almost all programs and it is appropriate for patients to be challenged if heroin use continues. Exactly what steps should be taken in a patient who persistently uses heroin remains debatable. The approval of a State health authority is required both for doctors to prescribe methadone and for a drug-dependent person to receive it.
Methadone maintenance is a complicated treatment for a complex group of patients. Individuals should not embark on such programs without very clear guidelines and without links to a major unit that can provide support should difficulties arise.HEROIN USE AND HIV/AIDS
The Human Immunodeficiency Virus (HIV) has three main modes of transmission. It can be transmitted through the exchange of HIV-infected body fluids during unprotected sex; through the use of HIV-contaminated injecting equipment; and may be passed on from mother to child during pregnancy or birth, and possibly via breast milk during feeding.
Injecting drug users are potentially at risk for transmission of HIV through sexual contact or use of non-sterile injecting equipment. As there is no cure for HIV/AIDS, the only way to curb its rapid spread is by eliminating or modifying the risk behaviours involved in its transmission.
For injecting drug users changes may include abstinence, or if this is not feasible, either changing the route of administration of the drug (eg oral ingestion or smoking), or undertaking safer injecting practices, namely, not sharing injecting equipment or, if sharing, properly cleaning the equipment by either sterilising or rinsing with bleach.
Medical practitioners and other health workers to should alert injecting drug users to
the risks of HIV transmission and provide them with information about safe sexual and
injecting behaviour. Appropriate information may include:
New users and irregular users are also a group which are at high risk of contracting the HIV infection through the use of contaminated injecting equipment. For new users this occurs because they are usually initiated with the use of an experienced user's injecting equipment, while for irregular users their drug use is often unplanned and thus they may share needles because they do not possess the necessary equipment.
Methadone maintenance programs have been found to be effective in reducing the frequency of injecting and the incidence of needle sharing. They are also effective dissemination points for information about HIV/AIDS, and for users who may be infected with HIV they provide vital contact with the health system.
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Schaffer Library of Drug Policy
Major Studies of Drug and Drug Policy
Marihuana, A Signal of Misunderstanding - The Report of the US National Commission on Marihuana and Drug Abuse
Licit and Illicit Drugs
Short History of the Marijuana Laws
The Drug Hang-Up
Congressional Transcripts of the Hearings for the Marihuana Tax Act of 1937
Frequently Asked Questions About Drugs
Basic Facts About the Drug War
Charts and Graphs about Drugs
Information on Alcohol
Guide to Heroin - Frequently Asked Questions About Heroin
LSD, Mescaline, and Psychedelics
Drugs and Driving
Children and Drugs
Drug Abuse Treatment Resource List
American Society for Action on Pain
Let Us Pay Taxes
Marijuana Business News
Reefer Madness Collection
Medical Marijuana Throughout History
Drug Legalization Debate
Legal History of American Marijuana Prohibition
Marijuana, the First 12,000 Years
DEA Ruling on Medical Marijuana
Legal References on Drugs
GAO Documents on Drugs
Response to the Drug Enforcement Agency
|Drug Information Articles|
Taking a drug test:
How To Pass A Drug Test
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