Overdoses

From WikiMD's Food, Medicine & Wellness Encyclopedia

Overdose refers to the ingestion or application of a drug or other substance in quantities greater than are recommended or generally practiced, resulting in a severe adverse reaction or death. Overdoses can involve drugs, including prescription medications, over-the-counter drugs, vitamins, supplements, and recreational substances. The severity of an overdose can vary depending on the substance, the amount taken, and the individual's body response.

Causes[edit | edit source]

Overdoses can occur intentionally or accidentally. Intentional overdoses are often a result of someone trying to harm themselves, while accidental overdoses can happen when a person takes an incorrect dose of a medication, mixes substances that interact negatively, or when children ingest medications mistakenly.

Symptoms[edit | edit source]

Symptoms of an overdose vary widely depending on the substance involved but may include:

  • Nausea and vomiting
  • Abdominal pain
  • Drowsiness or fatigue
  • Dizziness or loss of balance
  • Seizures
  • Difficulty breathing
  • Unconsciousness
  • Changes in heart rate

Treatment[edit | edit source]

Treatment for an overdose depends on the specific substance and the symptoms presented. Common interventions include:

  • Activated charcoal to absorb the substance
  • Gastric lavage to remove the substance from the stomach
  • Administration of antidotes
  • Supportive care, such as oxygen or intravenous fluids

Prevention[edit | edit source]

Preventing overdoses involves proper medication management, education on the risks of substance use, and policies to limit access to high-risk drugs. It is also important to store medications safely out of the reach of children.

Epidemiology[edit | edit source]

The incidence of overdoses has risen in many parts of the world, particularly with opioids, leading to what some describe as an opioid epidemic. Overdoses from prescription medications, especially opioids, benzodiazepines, and antidepressants, are a significant cause of death.

Legal and Social Implications[edit | edit source]

Overdoses can have legal and social implications, including criminal charges related to drug possession or distribution and the impact on families and communities. Efforts to address the overdose crisis include improving drug education, increasing access to treatment, and implementing harm reduction strategies such as Naloxone distribution programs.


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Contributors: Prab R. Tumpati, MD