Tackling the menace of substance abuse in Africa


Although substance abuse has remained a thorny public health and social problem worldwide, but sub-Saharan Africa (SSA) contributes significantly to the global burden.

SSA has a long history of substance abuse, and despite efforts to stem its tide on the continent, there has been a consistent rise in the use of psychoactive substances, particularly among adolescents and youths.

According to a new research, the number of drug users in SSA is expected to increase by nearly 150 percent by 2050.

This will not only create additional issues around law enforcement and criminal justice in many African nations, but it will also place public health systems on the continent under serious strain.

The World Health Organization (WHO) defines substance abuse as the harmful use of psychoactive substances, including alcohol and illicit drugs, and substance use disorder as a pattern of symptoms resulting from the use of drugs, despite the obvious problems associated with using them.

Substance abuse is not just about illegal drugs! Using pain medications and other legal substances the wrong way can also result in harmful health consequences.

Tackling the problem of substance abuse requires the adoption of cross-disciplinary approaches that relate to the various domains of healthcare, psychology, cognitive science, family, social development and cultural structures

Nowadays, the commonly abused substances include alcohol, marijuana, cocaine, opiates such as heroin, hallucinogens like phencyclidine (PCP), and prescription and over-the-counter medications such as cough and cold medicines containing dextromethorphan. Repeated use of these drugs can cause changes to the brain and lead to drug addiction, with lasting negative health, social and economic consequences on individuals, families and society.

There are several factors driving the surge in illicit drug use in SSA. The African population is largely young, increasingly affluent, and rapidly urbanising – all factors that elevate the probability that an individual will decide to use illicit substances.

The continent is also plagued with high levels of poverty and inequality, which creates additional stress factors that increase the likelihood of engaging in substance abuse. In communities and slums where the surrounding infrastructure of local services is splintered and poorly resourced, drug supply and use often thrive as an alternative source of quick money.

Research also suggests that the actual substance that people experiment with is highly elastic and influenced by several factors, like availability, popularity, and relative cost. Thus, the regular advertising of alcohol and pain relief drugs on TV, particularly at peak hours, and the ready availability of alcohol and tobacco in several retail outlets on roadsides, contribute significantly to increasing substance abuse in Africa.

The harmful consequences of substance abuse include increased morbidity and mortality from overdose and from other directly or indirectly associated harms such as increased risk of infection with blood-borne viruses (HIV, hepatitis B and hepatitis C). Thus, substance abuse contributes significantly to the burden of communicable and non-communicable diseases (NCDs), in Africa, with tobacco use and the harmful use of alcohol being major risks factors for NCDs.

Mental disorders such as high levels of depression and anxiety disorders, antisocial and other personality disorders, are also common in drug misuse populations. Substance use disorders complicated by other comorbid mental disorders are more likely to be chronic and disabling, and result in greater service utilisation.

Read also: NDLEA arrests grandma, pregnant woman, others over illicit drugs

In Africa, many countries are already experiencing a ‘double burden’ of disease, characterised by high rates of communicable and non-communicable diseases.

Tackling the problem of substance abuse requires the adoption of cross-disciplinary approaches that relate to the various domains of healthcare, psychology, cognitive science, family, social development and cultural structures. African governments and relevant stakeholders must urgently develop and implement workable prevention and treatment strategies to curb this rising public health threat.

In an article in BusinessDay, Chimezie Anyakora and Ofure Odibeli of Bloom Public Health, which we also believe, recommend strengthening capacity of health systems: Embedding prevention, treatment, and recovery services into the healthcare delivery system in Africa will greatly improve the outcome of substance abusers.

Also, increasing research for evidence-based policymaking: Future research needs to focus on public health interventions to guide policymaking, as prevention policies and programmes that are based on sound evidence-based principles have been shown to reduce substance abuse and related harms significantly.

Above all, increasing social support for substance abuse recovery: Social support plays a critical role in addiction recovery. Social support from families and communities bolsters the efficacy of drugs doctors use to treat substance use disorders, making it an integral part of any medication-assisted treatment programme. Social support options include self-help groups, individual therapy and couple/family therapy.


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