Morphine Sulfate IR Oral

In Depth

Generic Name: MORPHINE SUSTAINED-ACTION CAPSULE - ORAL
Pronounced: (MORE-feen)

Morphine Sulfate IR Oral Warning

The capsules of this medication must be swallowed whole or their contents sprinkled on applesauce. The capsules and their contents must never be crushed, chewed, or dissolved. Also, never drink alcohol or use any medicines that contain alcohol while taking this medication. Crushing/chewing the medication or using alcohol may result in the rapid release of all of the medication at once, which may be fatal. (See also How to Use and Drug Interactions.)

Morphine Sulfate IR Oral Side Effects

Nausea, vomiting, constipation, lightheadedness, dizziness, drowsiness, stomach upset, face flushing, red eyes, dry mouth, decreased appetite, trouble sleeping, and increased sweating may occur. If any of these effects persist or worsen, notify your doctor or pharmacist promptly.

To prevent constipation, maintain a diet adequate in fiber, drink plenty of water, and exercise. If you become constipated while using this drug, consult your pharmacist for help in selecting a laxative (stimulant-type) and stool softener.

Remember that your doctor has prescribed this medication because the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

Tell your doctor immediately if any of these unlikely but serious side effects occur:

slow/shallow breathing
difficulty urinating
shaking (tremor)
severe stomach pain
severe constipation
severe vomiting
fainting
muscle stiffness
decreased sexual desire
mental/mood changes (e.g., agitation, depression, unusual elevated mood, hallucinations)
vision changes
fast/slow/irregular heartbeat
swelling of the feet/ankles
trouble swallowing
tingling of the hands/feet
severe headaches

Tell your doctor immediately if any of these rare but very serious side effects occur:

easy bruising/bleeding
signs of infection (e.g., fever, persistent sore throat)
seizures

A very serious allergic reaction to this drug is unlikely, but seek immediate medical attention if it occurs. Symptoms of a serious allergic reaction may include: