Morphine is a prescription drug approved by the U.S. Food and Drug Administration (FDA) to treat pain that is not responsive to non-narcotics. Morphine is sold under brand names including Astramorph and Avinza.
Morphine is an opioid, or synthetic opiate, that works as a potent analgesic (painkiller). Morphine is believed to work by reducing the perception of pain.
According to the National Institute on Drug Abuse, regular use of opioids - even as prescribed by a doctor - can lead to dependence. If misused, opioids can cause overdose and death.
How do I take it?
Morphine can be taken orally or given by injection in a clinical setting.
Morphine comes in the form of oral solution, extended-release tablets, and extended-release capsules.
The FDA-approved label for morphine lists common side effects including sedation, lightheadedness, dizziness, nausea, vomiting, and constipation.
Rare but serious side effects listed for morphine include addiction, respiratory depression, apnea, circulatory depression, respiratory arrest, shock, and cardiac arrest.
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Morphine — MedlinePlus