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Dilaudid-HP (injection)

Generic Name: hydromorphone (injection) (hy dro MOR fone)
Brand Name: Dilaudid, Dilaudid-HP

Medically reviewed on December 12, 2017

What is Dilaudid-HP?

Hydromorphone is an opioid pain medication, sometimes called a narcotic.

Dilaudid-HP is used to treat moderate to severe pain.

Dilaudid-HP may also be used for purposes not listed in this medication guide.

Important Information

You should not use this medicine if you have severe asthma or breathing problems, or a bowel obstruction called paralytic ileus.

Do not use this medicine if you have used an MAO inhibitor in the past 14 days, such as isocarboxazid, linezolid, methylene blue injection, phenelzine, rasagiline, selegiline, or tranylcypromine.

Hydromorphone can slow or stop your breathing, and may be habit-forming. MISUSE OF THIS MEDICINE CAN CAUSE ADDICTION, OVERDOSE, OR DEATH, especially in a child or other person using the medicine without a prescription.

Using this medicine during pregnancy may cause life-threatening withdrawal symptoms in the newborn.

Fatal side effects can occur if you use this medicine with alcohol, or with other drugs that cause drowsiness or slow your breathing.

Before taking this medicine

You should not use this medicine if you have ever had an allergic reaction to a narcotic medicine, or if you have:

  • severe asthma or breathing problems; or

  • a bowel obstruction called paralytic ileus.

Do not use hydromorphone 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.

You may not be able to use hydromorphone if you are NOT already being treated with a similar opioid (narcotic) pain medicine and are tolerant to it. Talk with your doctor if you are not sure you are opioid-tolerant.

To make sure hydromorphone is safe for you, tell your doctor if you have ever had:

Some medicines can interact with hydromorphone and cause a serious condition called serotonin syndrome. Be sure your doctor knows if you also take stimulant medicine, herbal products, or medicine for depression, mental illness, Parkinson's disease, migraine headaches, serious infections, or prevention of nausea and vomiting. Ask your doctor before making any changes in how or when you take your medications.

If you use hydromorphone while you are pregnant, your baby could become dependent on the drug. This can cause life-threatening withdrawal symptoms in the baby after it is born. Babies born dependent on habit-forming medicine may need medical treatment for several weeks. Tell your doctor if you are pregnant or plan to become pregnant.

Hydromorphone can pass into breast milk and may cause drowsiness or breathing problems in a nursing baby. You should not breast-feed while you are using hydromorphone.

How is hydromorphone injection given?

Hydromorphone is injected under the skin or into a muscle, or into a vein through an IV. You may be shown how to use injections at home. Do not give yourself this medicine if you do not understand how to use the injection and properly dispose of needles, IV tubing, and other items used.

Follow all directions on your prescription label. Hydromorphone can slow or stop your breathing. Never use hydromorphone in larger amounts, or for longer than prescribed. Tell your doctor if the medicine seems to stop working as well in relieving your pain.

Hydromorphone may be habit-forming, even at regular doses. Never share this medicine with another person, especially someone with a history of drug abuse or addiction. MISUSE OF NARCOTIC MEDICINE CAN CAUSE ADDICTION, OVERDOSE, OR DEATH, especially in a child or other person using the medicine without a prescription. Selling or giving away hydromorphone is against the law.

You may need to mix hydromorphone with a liquid (diluent) before using it. If you are using the injections at home, be sure you understand how to properly mix and store the medicine.

Do not use hydromorphone if it has changed colors or has particles in it. Call your pharmacist for new medication.

If you need surgery, tell the surgeon ahead of time that you are using hydromorphone.

Do not stop using hydromorphone suddenly, or you could have unpleasant withdrawal symptoms. Ask your doctor how to safely stop using hydromorphone.

Store at room temperature away from moisture, heat, and light. Keep track of your medicine. Hydromorphone is a drug of abuse and you should be aware if anyone is using your medicine 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 happens if I miss a dose?

Since hydromorphone is used for pain, you are not likely to miss a dose. Skip any missed dose if it is almost time for your next scheduled dose. Do not use extra medicine to make up the missed dose.

What happens if I overdose?

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222. A hydromorphone overdose can be fatal, especially in a child or other person using the medicine without a prescription. Overdose symptoms may include slow breathing and heart rate, severe drowsiness, muscle weakness, cold and clammy skin, pinpoint pupils, and fainting.

What should I avoid while receiving Dilaudid-HP?

Do not drink alcohol. Dangerous side effects or death could occur.

This medicine may impair your thinking or reactions. Avoid driving or operating machinery until you know how hydromorphone will affect you. Dizziness or severe drowsiness can cause falls or other accidents.

Dilaudid-HP side effects

Get emergency medical help if you have signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Like other narcotic medicines, hydromorphone can slow your breathing. Death may occur if breathing becomes too weak.

Call your doctor at once if you have:

  • weak or shallow breathing;

  • severe drowsiness;

  • a light-headed feeling, like you might pass out; or

  • low cortisol levels--nausea, vomiting, loss of appetite, dizziness, worsening tiredness or weakness.

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 overweight, 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 side effects may include:

  • constipation, nausea, vomiting;

  • dizziness, drowsiness;

  • flushing (warmth, redness, or tingly feeling);

  • sweating, itching;

  • dry mouth;

  • mood changes; or

  • skin irritation or a hard lump where the injection was given.

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.

See also: Side effects (in more detail)

What other drugs will affect Dilaudid-HP?

Narcotic (opioid) medication can interact with many other drugs and cause dangerous side effects or death. Be sure your doctor knows if you also use:

This list is not complete. Other drugs may interact with hydromorphone, including prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible interactions are listed in this medication guide.

Further information

Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

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