Prescription Drug Abuse and Addiction

Prescription drug abuse is not a new problem, but one that deserves renewed attention. Most people who take prescription medications take them responsibly. However, the nonmedical use or abuse of prescription drugs remains a serious public health concern. Certain prescription drugs - opioids, central nervous system (CNS) depressants, and stimulants - when abused, can alter the brain's activity and lead to dependence and addiction.

Opiate Prescription Drug Abuse

Opioids are commonly prescribed because of their effective analgesic, or pain-relieving, properties. Medications that fall within this class - sometimes referred to as narcotics - include morphine, codeine, and related drugs.

Chronic use of opioids can result in tolerance for the drugs, which means that users must take higher doses to achieve the same initial effects. Long-term use also can lead to physical dependence and addiction - the body adapts to the presence of the drug, and withdrawal symptoms occur if use is reduced or stopped. Symptoms of withdrawal include restlessness, muscle and bone pain, insomnia, diarrhea, vomiting, cold flashes with goose bumps ("cold turkey"), and involuntary leg movements. Finally, taking a large single dose of an opioid could cause severe respiratory depression that can lead to death. Many studies have shown, however, that properly managed medical use of opioid analgesic drugs is safe and rarely causes clinical addiction, defined as compulsive, often uncontrollable use of drugs. Taken exactly as prescribed, opioids can be used to manage pain effectively.

Typically, prescription drugs should not be used with other substances that depress the central nervous system, such as alcohol, antihistamines, barbiturates, benzodiazepines, or general anesthetics; as such a combination increases the risk of life-threatening respiratory depression.

Source: The National Institute on Drug Abuse (NIDA)

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