Drug users are not only at risk of short-term harm, but also possible long-term health consequences that can be completely life changing. Drug abuse weakens the body’s immune system and makes users more likely to engage in risky behavior, either to attain drugs or while under the influence of them.
Diseases linked to substance abuse are frequently serious and can have fatal consequences.
Common diseases that may stem from drug abuse include:
Drug users contract these diseases or other infections through unsafe substance abuse practices. They are often desperate and succumb to drug cravings to satisfy uncomfortable withdrawals. The grips of addiction can be so tight that they cannot control their ability to abstain from drug abuse even if they desire to. Sadly, even if these individuals receive treatment, it is often too late to prevent them from contracting a disease.
Substance abuse is linked to risky behaviors with a high potential for disease contraction.
These behaviors include:
Injection drug users (IDUs) have one of the highest risks of acquiring an infectious disease. The most common diseases attributed to injection drug use include Hepatitis B and C and HIV/AIDS.
Injection drug users have the highest rate of contracting Hepatitis C out of any risk-group. Statistically, every IDU infected with Hepatitis C will infect another 20 people. Injection drug use remains one of the biggest factors in the increasing cases of Hepatitis C.
IDUs also have high rates of Hepatitis B. In 2010, IDUs had a Hepatitis B infection rate of 20 percent. This statistic is particularly disheartening as there is a vaccine that can prevent Hepatitis B.
Stats for IDUs with Hepatitis C:
Each year, approximately 10 percent of new HIV diagnoses are the result of injection drug use. Of the new HIV cases caused by injection drug use in 2010, about 62 percent were men and 38 percent were women. Since the beginning of the HIV/AIDS epidemic, injection drug use has been responsible for one-third of adult and adolescent AIDS cases in the country. Through 2012, 28 percent of those who died from AIDS since the beginning of the HIV/AIDS epidemic could be attributed to injection drug use. Additionally, another eight percent of those who died from AIDS since the initial outbreak can be attributed to male-to-male sexual contact with an IDU.
Non-injection drug users also face increased risks of contracting HIV, Hepatitis B and C, and other infectious diseases. While non-injection drug users may not face the added risks of blood or bodily fluid exchange as a result of needle sharing or injection practices, they are still just as likely as IDUs to engage in high-risk sexual and other behaviors with a high potential for disease exposure. According to the National Institute on Drug Abuse, some studies show that non-injection drug users contract HIV at similar rates to IDUs, showing the prevalence of sexual transmission of HIV among drug users. Non-injection drug users also face increased risk of tuberculosis and have two to six times the chance of contracting the disease as non-drug users. Furthermore, non-injection drug users are twice as likely to develop tuberculosis as IDUs.
Certain drugs are linked to higher rates of disease among drug users than others. Diseases caused by drug abuse could be a direct result of an individual’s drug use or a result of behavior that occurs under the influence of substances.
Heroin, one of the most commonly injected drugs of abuse, increases the risks of HIV, viral hepatitis and sexually transmitted diseases. Users often reuse and share needles and other drug paraphernalia to get high, exposing other users to blood or body fluids that could be infected. Heroin users are also more likely to engage in unprotected sex and sex with multiple partners, increasing their risk of contracting a sexually transmitted disease.
Although the majority of cocaine users do not share the same risks as injection drug users, they do face an increased risk of acquiring an infectious disease. Cocaine users are more likely to engage in risky sexual behaviors, such as unprotected sex, and therefore have higher odds of STDs. According to the National Institute on Drug Abuse, inner-city youth who smoke crack cocaine have three times the risks of HIV as those who do not.
Other popular injectable drugs are anabolic steroids. Steroid users share the same disease risks as other IDUs. Additionally, steroid abuse can lead to endocarditis, a dangerous inflammation of the inner lining of the heart, and a number of different viral infections at injection sites.
Injection and non-injection methamphetamine users each face higher risks of contracting and transmitting Hepatitis B and C, HIV and other viral infections. Methamphetamine abuse is also closely associated with high-risk sexual behavior and can increase an individual’s libido, making them more susceptible to sexually transmitted diseases. Methamphetamine use among those with HIV can worsen the progression of the virus, causing more severe neuronal injury and cognitive impairment, and exponentially increasing the odds of developing AIDS.
Ecstasy, ketamine, GHB, poppers and other club drugs present an increased disease risk for users. These drugs impair users’ judgement and decrease inhibitions, which can lead to unplanned or unprotected sex and drug use that has higher risks of disease.
Drug users, particularly IDUs, pose a danger not only to their own health, but also to their spouse’s or sexual partner’s health. According to the International Center for Research on Women, 30 percent of drug users have a sexually transmitted disease. A study by the International Center for Research on Women found that the wives of drug users in Vietnam have high rates of HIV, likely higher than HIV infection rates among female prostitutes in Vietnam. This is one instance that highlights the dangers that drug abusers can create for their partners.
Substance abuse treatment and community outreach programs that prevent substance abuse and promote safer drug-using habits can be extremely effective in preventing the spread of HIV and other infectious diseases, especially among injection drug users.
With funding from NIDA, the National AIDS Demonstration and Research (NADR) projects implemented community outreach programs to prevent the spread of HIV among IDUs in 68 cities across the United States. Prevention outreach efforts typically included short encounters between IDUs and outreach workers who provided education about HIV transmission, condoms and bleach. An evaluation of 20 of the communities found that the percentage of IDUs at high risk of HIV infection fell from 62 percent to 31 percent six months after the initial contact with an outreach worker. Additionally, the number of IDUs who engaged in high-risk sexual behavior fell by nearly 50 percent.
Methadone maintenance programs reduced injection drug use from 81 percent to 29 percent after five years of treatment, according to UC Davis researchers.
Another program using similar techniques but targeting IDUs’ social networks rather than individuals proved to be very effective in preventing the spread of HIV. This program also provided sterile water, bleach, condoms, and alcohol swabs to drug users. An evaluation of the program showed that the percentage of IDU program participants who engaged in unsterile needle sharing fell from 100 percent to 14 percent four years after the program began.
Needle exchange programs also reduce the spread of disease among IDUs. The success of needle exchange programs is often measured by the number of IDUs who exchange used needles for sterile ones and the number of needles exchanged. Needle exchange programs generally lower disease risks among IDUs.
Treatment clinics that provide services like methadone maintenance treatment can greatly decrease the number of IDUs who contract infectious diseases. For example, a study by researchers at the University of California Davis found that that injection drug use among those in the methadone maintenance program fell from 81 percent to 42 percent after 3.5 years of treatment and 29 percent after five years of treatment, marking the additional effectiveness of these programs the longer an IDU receives treatment.
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