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Drug Fact Sheet: Morphine

What Is Morphine? Morphine is a non-synthetic narcotic derived from opium. It has a high potential for abuse and is commonly used in medical settings for the treatment of pain. What Is Its Origin? In the United States, a small percentage of morphine obtained from opium is used directly in pharmaceutical products. The remaining morphine […]


What Is Morphine?

Morphine is a non-synthetic narcotic derived from opium. It has a high potential for abuse and is commonly used in medical settings for the treatment of pain.

What Is Its Origin?

In the United States, a small percentage of morphine obtained from opium is used directly in pharmaceutical products. The remaining morphine is further processed into:

  • Codeine
  • Other opium-derived medications

Common Street Names

Morphine is known by several street names, including:

  • Dreamer
  • Emsel
  • First Line
  • God’s Drug
  • Hows
  • M.S.
  • Mister Blue
  • Morf
  • Morpho
  • Unkie

What Does It Look Like?

Morphine is sold under both generic and brand-name pharmaceutical products, including:

  • MS-Contin®
  • Oramorph SR®
  • MSIR®
  • Roxanol®
  • Kadian®
  • RMS®

How Is Morphine Abused?

Historically, morphine was most commonly abused through injection. Today, the wide range of pharmaceutical forms allows for abuse through multiple routes of administration.

Available Forms

  • Oral solutions
  • Immediate-release tablets
  • Extended-release tablets and capsules
  • Injectable preparations

Individuals dependent on morphine often prefer injection because it delivers the drug into the bloodstream more rapidly.

Effects on the Mind

Morphine’s mental effects include:

  • Euphoria
  • Relief from pain

Chronic use can lead to:

  • Tolerance
  • Physical dependence
  • Psychological dependence

Effects on the Body

Morphine affects the body by:

  • Relieving physical pain
  • Decreasing hunger
  • Suppressing the cough reflex
    Overdose Effects

An overdose of morphine may cause:

  • Cold, clammy skin
  • Low blood pressure
  • Extreme sleepiness
  • Slowed breathing
  • Slow pulse rate
  • Coma
  • Possible death

Drugs With Similar Effects

Drugs that produce effects similar to morphine include:

  • Opium
    Codeine
  • Heroin
  • Methadone
  • Hydrocodone
  • Fentanyl
  • Oxycodone

Legal Status in the United States

Morphine is classified as a Schedule II narcotic under the Controlled Substances Act, indicating:

  • Accepted medical use
  • High potential for abuse
  • Risk of severe dependence