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 […]
Clinically Reviewed by Lauren Barry, LMFT, MCAP, QS
Medically Reviewed by Ali Nikbakht, PsyD
Updated on February 26, 2026 — Editorial Policy | Research Policy | Privacy Policy
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