________ causes euphoria followed by agitation, and is the major opioid drug of abuse.

Answer :

Heroin is an opioid drug composed of morphine, a natural alkaloid derived from extracts from the seeds of the opium poppy. It is for that reason that heroin is considered a semi-synthetic opioid.

  • HEROIN causes euphoria followed by agitation, and is the major opioid drug of abuse.

  • Heroin is a drug that causes addiction, a form of substance use disorder.

  • This drug (heroin) is capable of entering the brain quickly and producing immediate effects.

  • The feeling of euphoria caused by heroin is followed by a period of sedation because heroin (as well other opioids) sedates the brain.

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