Morphine is an opioid medication. An opioid is sometimes called a narcotic.
Morphine is used to treat moderate to severe pain. Short-acting formulations are taken as needed for pain.
The extended-release form of morphine is for around-the-clock treatment of pain. This form of morphine is not for use on an as-needed basis for pain.
You should not take morphine if you have severe asthma or breathing problems, a blockage in your stomach or intestines, or a bowel obstruction called paralytic ileus.
Morphine can slow or stop your breathing, and may be habit-forming MISUSE OF OPIOID MEDICINE CAN CAUSE ADDICTION, OVERDOSE, OR DEATH, , especially in a child or other person using the medicine without a prescription. Keep the medication in a place where others cannot get to it.
Taking opioid medicine during pregnancy may cause life-threatening withdrawal symptoms in the newborn.
Fatal side effects can occur if you use opioid medicine with alcohol, or with other drugs that cause drowsiness or slow your breathing.
Before Taking This Medicine
You should not take this medicine if you have ever had an allergic reaction to morphine or other narcotic medicines, or if you have:
severe asthma or breathing problems; or
a blockage in your stomach or intestines.
Do not use morphine if you have used an MAO inhibitor in the past 14 days. A dangerous drug interaction could occur. MAO inhibitors include isocarboxazid, linezolid, methylene blue injection, phenelzine, rasagiline, selegiline, tranylcypromine, and others.
How To Take This Medicine
Stop taking all other around-the-clock narcotic pain medications when you start taking morphine.
Swallow the capsule or tablet whole to avoid exposure to a potentially fatal overdose. Do not crush, chew, break, open, or dissolve.
Measure liquid medicine carefully. Use the dosing syringe provided, or use a medicine dose-measuring device (not a kitchen spoon).
Do not stop using morphine suddenly, or you could have unpleasant withdrawal symptoms. Ask your doctor how to safely stop using this medicine.
Never crush or break a tablet or capsule to inhale the powder or mix it into a liquid to inject the drug into your vein. This practice has resulted in death with the misuse of morphine and similar prescription drugs.
Store at room temperature, away from heat, moisture, and light. Keep track of your medicine. You should be aware if anyone is using it improperly or without a prescription.
Do not keep leftover opioid medication. Just one dose can cause death in someone using this medicine accidentally or improperly. Ask your pharmacist where to locate a drug take-back disposal program. If there is no take-back program, flush the unused medicine down the toilet.
What If I Missed A Dose?
Morphine is sometimes taken only once per day, and sometimes 2 or 3 times per day. Since this medicine is used for pain, you are not likely to miss a dose. If you do miss a dose, take the medicine as soon as you remember. Then take your next dose as follows:
If you take morphine 3 times per day: Take your next dose 8 hours after taking the missed dose.
If you take morphine 2 times per day: Take your next dose 12 hours after taking the missed dose.
If you take morphine 1 time per day: Take your next dose 24 hours after taking the missed dose.
Do not take two doses at one time. Do not take more than your prescribed dose in a 24-hour period.
What If I Took Overdose?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222. A morphine overdose can be fatal, especially in a child or other person using the medicine without a prescription. Overdose symptoms may include slow heart rate, severe drowsiness, muscle weakness, cold and clammy skin, pinpoint pupils, very slow breathing, or coma.
What Should I Avoid While Using Morphine?
Do not drink alcohol. Dangerous side effects or death could occur.
Avoid driving or hazardous activity until you know how this medicine will affect you. Dizziness or drowsiness can cause falls, accidents, or severe injuries.
Side Effects Of This Medicine
Seek medical attention right away if you have symptoms of serotonin syndrome, such as: agitation, hallucinations, fever, sweating, shivering, fast heart rate, muscle stiffness, twitching, loss of coordination, nausea, vomiting, or diarrhea.
Serious side effects may be more likely in older adults and those who are malnourished or debilitated.
Long-term use of opioid medication may affect fertility (ability to have children) in men or women. It is not known whether opioid effects on fertility are permanent.
Common morphine side effects may include:
drowsiness, dizziness, tiredness;
constipation, stomach pain, nausea, vomiting;
feelings of extreme happiness or sadness.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.