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• A compound or drug that binds to receptors in the brain involved in the control of pain and other functions (e.g., morphine, heroin, hydrocodone, oxycodone).

  National Institute on Drug Abuse - Cite This Source - This Definition
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  Cite Definition for Opioid

  American Psychological Association (APA)

  Opioid. (n.d.). NIH Prescription Drug Abuse Glossary. Retrieved June 2, 2023, from website: http://www.expertglossary.com/definition/opioid.

  Chicago Manual of Style (CMS)

  Opioid. www.drugabuse.gov. NIH Prescription Drug Abuse Glossary. National Institute on Drug Abuse. http://www.expertglossary.com/definition/opioid (accessed: June 2, 2023).

  Modern Language Association (MLA)

  "Opioid." NIH Prescription Drug Abuse Glossary. National Institute on Drug Abuse. 2 June. 2023 http://www.expertglossary.com/definition/opioid.

• Browse Related Terms: Active Ingredient, agonist, antagonist, Biological Product, Buprenorphine, Detoxification, Drug, methadone, Opioid, Therapeutic Biological Product

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All > Healthcare > Medicine > Drug

• FDA defines OTC drugs as safe and effective for use by the general public without a doctor's prescription.

  FDA - Cite This Source - This Definition
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  Cite Definition for Over-the-Counter Drugs (OTC)

  American Psychological Association (APA)

  Over-the-Counter Drugs (OTC). (n.d.). [email protected] Glossary of Terms. Retrieved June 2, 2023, from website: http://www.expertglossary.com/definition/over-the-counter-drugs-otc.

  Chicago Manual of Style (CMS)

  Over-the-Counter Drugs (OTC). www.fda.gov. [email protected] Glossary of Terms. FDA. http://www.expertglossary.com/definition/over-the-counter-drugs-otc (accessed: June 2, 2023).

  Modern Language Association (MLA)

  "Over-the-Counter Drugs (OTC)." [email protected] Glossary of Terms. FDA. 2 June. 2023 http://www.expertglossary.com/definition/over-the-counter-drugs-otc.

• Browse Related Terms: Brand Name Drug, Chemical Type, Dosage Form, Drug Product, Generic Drug, Medication Guide, New Molecular Entity (NME), Over-the-Counter Drugs (OTC), Patient Package Insert (PPI), Pharmaceutical Equivalents, Prescription Drug Product, Strength, Therapeutic Equivalence (TE), Therapeutic Equivalence (TE) Codes