Morphine belongs to a class of drugs known as opioid (narcotic) analgesics. It works in the brain to change how your body feels and responds to pain.
In other words, it is the most potent analgesic for chronic pain but its use is limited due to the induction of tolerance, severe withdrawal symptoms and high risk of relapse and abuse
In its pure form, morphine is ten times more potent than opium but the down side is the addiction to it. However, morphine is still the precursor to other opioids such as codeine, fentanyl, methadone, hydrocodone, hydromorphone, meperidine, and Oxycodone. Others include Percocet, Dilaudid.
This medication is used to help relieve moderate to severe pain.
Usual Adult Oral Dose
10 to 30 mg every 4 hours or as directed by your physician.
Dosage is a patient dependent variable, therefore increased dosage may be required to achieve adequate analgesia.
How to use Morphine Sulfate
Read the Medication Guide provided by your pharmacist before you start taking morphine and each time you get a refill. If you have any questions, ask your doctor or pharmacist.
Take this medication by mouth as directed by your doctor. You may take this drug with or without food. If you have nausea, it may help to take this drug with food. Ask your doctor or pharmacist about other ways to decrease nausea (such as lying down for 1 to 2 hours with as little head movement as possible).
Possible Side Effects
The major hazards of morphine, as of other narcotic analgesics, are respira-tory depression and, to a lesser degree, circulatory depression, respiratory arrest, shock, and cardiac arrest have occurred.
The most frequently observed adverse reactions include:
Lightheadedness, dizziness, sedation, nausea, vomiting, and sweating.
These effects seem to be more prominent in ambulatory patients and in those who are suffering severe pain.
In such individuals, lower doses are available. Some adverse reactions may be alleviated in the ambulatory patient if he lies down.
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