Skip navigation

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

URL of this page: https://medlineplus.gov/druginfo/meds/a682013.html

Hydromorphone

pronounced as (hye'' droe mor' fone)

IMPORTANT WARNING:

Hydromorphone may be habit forming, especially with prolonged use. Take hydromorphone exactly as directed. Do not take more of it, take it more often, or take it in a different way than directed by your doctor. While you are taking hydromorphone, discuss with your health care provider your pain treatment goals, length of treatment, and other ways to manage your pain. Tell your doctor if you or anyone in your family drinks or has ever drunk large amounts of alcohol, uses or has ever used street drugs, or has overused prescription medications, or has had an overdose, or if you have or have ever had depression or another mental illness. There is a greater risk that you will overuse hydromorphone if you have or have ever had any of these conditions. Talk to your health care provider immediately and ask for guidance if you think that you have an opioid addiction or call the U.S. Substance Abuse and Mental Health Services Administration (SAMHSA) National Helpline at 1-800-662-HELP.

Hydromorphone may cause serious or life-threatening breathing problems, especially during the first 24 to 72 hours of your treatment and any time your dose is increased. Your doctor will monitor you carefully during your treatment. Tell your doctor if you have slowed breathing or have or have ever had asthma. Your doctor will probably tell you not to take hydromorphone. Also tell your doctor if you have or have ever had lung disease such as chronic obstructive pulmonary disease (a group of diseases that affect the lungs and airways), a head injury, a brain tumor, or any condition that increases the pressure in your brain. The risk that you will develop breathing problems may be higher if you are an older adult, or are weakened or malnourished due to disease. If you experience any of the following symptoms, call your doctor immediately or get emergency medical treatment: slowed breathing, long pauses between breaths, or shortness of breath.

Taking certain medications during your treatment with hydromorphone may increase the risk that you will develop serious or life-threatening breathing problems, sedation, or coma. Tell your doctor and pharmacist what prescription and nonprescription medications, vitamins, and nutritional supplements you are taking or plan to take. Your doctor may need to change the doses of your medications and will monitor you carefully. If you use hydromorphone with other medications and you develop any of the following symptoms, call your doctor immediately or seek emergency medical care: unusual dizziness, lightheadedness, extreme sleepiness, slowed or difficult breathing, or unresponsiveness. Be sure that your caregiver or family members know which symptoms may be serious so they can call the doctor or emergency medical care if you are unable to seek treatment on your own.

Drinking alcohol, taking prescription or nonprescription medications that contain alcohol, or using street drugs during your treatment with hydromorphone increases the risk that you will experience serious, life-threatening side effects. Do not drink alcohol, take prescription or nonprescription medications that contain alcohol, or use street drugs during your treatment.

Do not allow anyone else to take your medication. Hydromorphone may harm or cause death to other people who take your medication, especially children. Keep hydromorphone in a safe place so that no one else can take it accidentally or on purpose. Be especially careful to keep hydromorphone out of the reach of children. Keep track of how many tablets or how much liquid is left so you will know if any medication is missing. Dispose of unwanted or no longer needed tablets, extended-release tablets, and liquid by flushing the medication down the toilet. (See STORAGE and DISPOSAL.)

Tell your doctor if you are pregnant or plan to become pregnant. If you take hydromorphone regularly during your pregnancy, your baby may experience life-threatening withdrawal symptoms after birth. Tell your baby's doctor right away if your baby experiences any of the following symptoms: irritability, hyperactivity, abnormal sleep, high-pitched cry, uncontrollable shaking of a part of the body, vomiting, diarrhea, or failure to gain weight.

Your doctor or pharmacist will give you the manufacturer's patient information sheet (Medication Guide) when you begin your treatment with hydromorphone and each time you fill your prescription. Read the information carefully and ask your doctor or pharmacist if you have any questions. You can also visit the Food and Drug Administration (FDA) website (https://www.fda.gov/Drugs/DrugSafety/ucm085729.htm) or the manufacturer's website to obtain the Medication Guide.

Talk to your doctor about the risks of taking hydromorphone.

Why is this medication prescribed?

Hydromorphone immediate-release tablets and oral solution are used as a short-term treatment to relieve severe pain (pain that begins suddenly, has a specific cause, and is expected to go away when the cause of the pain is healed) in people who are expected to need an opioid pain medication and whose pain cannot be controlled by the use of alternative pain medications. Hydromorphone extended-release tablets are used to relieve severe and persistent pain in people who are expected to need pain medication around the clock for a long time and who cannot be treated with other medications. Hydromorphone extended-release tablets should only be used to treat people who are tolerant (used to the effects of the medication) to opioid medications because they have taken this type of medication for at least one week and should not be used to treat mild or moderate pain, short-term pain, pain after an operation or medical or dental procedure, or pain that can be controlled by medication that is taken as needed. Hydromorphone is in a class of medications called opiate (narcotic) analgesics. It works by changing the way the brain and nervous system respond to pain.

How should this medicine be used?

Hydromorphone comes as a solution (liquid), an immediate-release tablet, and an extended-release (long-acting) tablet to take by mouth. The liquid is usually taken every 3 to 6 hours and the tablets are usually taken every 4 to 6 hours. The extended-release tablets are taken once daily with or without food. Take hydromorphone at around the same time(s) every day. Follow the directions on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand. Take hydromorphone exactly as directed.

Swallow the extended-release tablets whole. Do not split, chew, dissolve, or crush them. If you swallow broken, chewed, crushed, or dissolved tablets you may receive too much hydromorphone at once instead of receiving the medication slowly over time. This may cause serious breathing problems or death.

If you are taking hydromorphone oral solution, use a dose-measuring spoon or cup to measure the correct amount of liquid for each dose, not a regular household spoon. Mix your dose with half a glass of water and swallow the mixture. Ask your doctor or pharmacist if you need help getting or using a measuring device,

Your doctor may adjust your dose of hydromorphone during your treatment, depending on how well your pain is controlled and on the side effects that you experience. Talk to your doctor about how you are feeling during your treatment with hydromorphone. Tell your doctor if you feel that your pain is not controlled or if your pain increases, becomes worse, or if you have new pain or an increased sensitivity to pain during your treatment with hydromorphone. Do not take more of it or take it more often than prescribed by your doctor.

Do not stop taking hydromorphone without talking to your doctor. Your doctor will probably decrease your dose gradually. If you suddenly stop taking hydromorphone, you may experience withdrawal symptoms including restlessness, teary eyes, runny nose, yawning, sweating, chills, hair standing on end, muscle or joint pain, widening of the pupils (black circles in the middle of the eyes), irritability, anxiety, backache, weakness, stomach cramps, difficulty falling asleep or staying asleep, nausea, loss of appetite, vomiting, diarrhea, fast breathing, or fast heartbeat.

Other uses for this medicine

This medication may be prescribed for other uses; ask your doctor or pharmacist for more information.

What special precautions should I follow?

Before taking hydromorphone,

  • tell your doctor and pharmacist if you are allergic to hydromorphone, any other medications, sulfites, or any of the ingredients in hydromorphone tablets, solution, or extended-release tablets. Ask your pharmacist or check the Medication Guide for a list of the ingredients.
  • tell your doctor or pharmacist if you are taking the following medications or have stopped taking them within the past two weeks: isocarboxazid (Marplan), linezolid (Zyvox), methylene blue, phenelzine (Nardil), selegiline (Emsam, Zelapar), or tranylcypromine (Parnate).
  • tell your doctor if you have any of the conditions listed in the IMPORTANT WARNING section or paralytic ileus (condition in which food does not move through the intestines), or a blockage in the stomach or intestines. Your doctor may tell you not to take hydromorphone.
  • if you will be taking the extended-release tablets, also tell your doctor if you have ever had surgery that caused a change in the way food moves through your stomach or intestines or if you have any condition that cause narrowing of the esophagus (tube that carries food from the mouth to the stomach), stomach, or intestines such as cystic fibrosis (a condition that causes the body to produce thick, sticky mucus that may clog the pancreas, lungs, and other parts of the body), peritonitis (inflammation of the lining of the abdomen (stomach area), Meckel's diverticulum (a bulge in the lining of the small intestine that is present at birth), chronic intestinal pseudo-obstruction (condition in which the muscles in the intestine do not move food smoothly through the intestine), or inflammatory bowel disease (IBD; a group of conditions that cause inflammation of the lining of the intestine). Your doctor may tell you not to take hydromorphone extended-release tablets.
  • tell your doctor if you have or have ever had low blood pressure; adrenal insufficiency (condition in which the adrenal glands do not produce enough of certain hormones needed for important body functions); seizures; diabetes; any condition that causes difficulty urinating, such as an enlarged prostate (a male reproductive gland) or urethral stricture (blockage of the tube that allows urine to leave the body); or gallbladder, pancreas, liver, thyroid, or kidney disease.
  • tell your doctor if you are breastfeeding. You should not breastfeed while you are taking hydromorphone. Hydromorphone can cause shallow breathing, difficulty or noisy breathing, confusion, more than usual sleepiness, trouble breastfeeding, or limpness in breastfed infants.
  • you should know that this medication may decrease fertility in men and women. Talk to your doctor about the risks of taking hydromorphone.
  • if you are having surgery, including dental surgery, tell the doctor or dentist that you are taking hydromorphone.
  • you should know that hydromorphone may make you drowsy. Do not drive a car or operate machinery until you know how this medication affects you.
  • you should know that hydromorphone may cause dizziness, lightheadedness, and fainting when you get up too quickly from a lying position. To avoid this problem, get out of bed slowly, resting your feet on the floor for a few minutes before standing up.
  • you should know that hydromorphone may cause constipation. Talk to your doctor about changing your diet or using other medications to prevent or treat constipation while you are taking hydromorphone.

What special dietary instructions should I follow?

Unless your doctor tells you otherwise, continue your normal diet.

What should I do if I forget a dose?

If you are taking the tablets or solution, take the missed dose as soon as you remember it. However, if it is almost time for the next dose, skip the missed dose and continue your regular dosing schedule. Do not take a double dose to make up for a missed one.

If you are taking the extended-release tablets, skip the missed dose and continue your regular dosing schedule. Do not take more than one dose of the extended-release tablets in 24 hours.

What side effects can this medication cause?

Hydromorphone may cause side effects. Tell your doctor if any of these symptoms are severe or do not go away:

  • headache
  • difficulty falling asleep or staying asleep
  • dry mouth
  • lightheadedness
  • drowsiness
  • increased sweating
  • muscle, back or joint pain
  • stomach pain
  • mood changes
  • anxiety
  • flushing
  • itching
  • depression

Some side effects can be serious. If you experience any of these symptoms or those listed in the IMPORTANT WARNING section, call your doctor immediately or get emergency medical treatment:

  • rash; hives; hoarseness; difficulty breathing or swallowing; or swelling of the face, mouth, tongue or throat
  • swelling of the arms, hands, feet, ankles, or lower legs
  • agitation, hallucinations (seeing things or hearing voices that do not exist), fever, sweating, confusion, fast heartbeat, shivering, severe muscle stiffness or twitching, loss of coordination, or diarrhea
  • nausea, vomiting, loss of appetite, weakness, or dizziness
  • inability to get or keep an erection
  • irregular menstruation
  • decreased sexual desire
  • seizures
  • chest pain
  • extreme drowsiness
  • fainting

Hydromorphone may cause other side effects. Call your doctor if you have any unusual problems while you are taking this medication.

If you experience a serious side effect, you or your doctor may send a report to the Food and Drug Administration's (FDA) MedWatch Adverse Event Reporting program online (https://www.fda.gov/Safety/MedWatch) or by phone (1-800-332-1088).

What should I know about storage and disposal of this medication?

Keep this medication in the container it came in, tightly closed, out of reach of children, and in a location that is not easily accessible by others, including visitors to the home. Store it at room temperature and away from excess heat and moisture (not in the bathroom). You must immediately dispose of any medication that is outdated or no longer needed through a medicine take-back program. If you do not have a take-back program nearby or one that you can access promptly, flush any hydromorphone liquid or tablets that are outdated or no longer needed down the toilet. Talk to your pharmacist about the proper disposal of your medication.

It is important to keep all medication out of sight and reach of children as many containers (such as weekly pill minders and those for eye drops, creams, patches, and inhalers) are not child-resistant and young children can open them easily. To protect young children from poisoning, always lock safety caps and immediately place the medication in a safe location — one that is up and away and out of their sight and reach. https://www.upandaway.org

In case of emergency/overdose

In case of overdose, call the poison control helpline at 1-800-222-1222. Information is also available online at https://www.poisonhelp.org/help. If the victim has collapsed, had a seizure, has trouble breathing, or can't be awakened, immediately call emergency services at 911.

While taking hydromorphone, you should talk to your doctor about having a rescue medication called naloxone readily available (e.g., home, office). Naloxone is used to reverse the life-threatening effects of an overdose. It works by blocking the effects of opiates to relieve dangerous symptoms caused by high levels of opiates in the blood. Your doctor may also prescribe you naloxone if you are living in a household where there are small children or someone who has abused street or prescription drugs. Ask your doctor about other ways that you can obtain naloxone (directly from a pharmacy or as part of a community based program). You should make sure that you and your family members, caregivers, or the people who spend time with you know how to recognize an overdose, how to use naloxone, and what to do until emergency medical help arrives. Your doctor or pharmacist will show you and your family members how to use the medication. Ask your pharmacist for the instructions or visit the manufacturer's website to get the instructions. If symptoms of an overdose occur, a friend or family member should give the first dose of naloxone, call 911 immediately, and stay with you and watch you closely until emergency medical help arrives. Your symptoms may return within a few minutes after you receive naloxone. If your symptoms return, the person should give you another dose of naloxone. Additional doses may be given every 2 to 3 minutes, if symptoms return before medical help arrives.

Symptoms of overdose may include the following:

  • slow or shallow breathing
  • difficulty breathing
  • sleepiness
  • unable to respond or wake up
  • muscle weakness
  • cold, clammy skin
  • narrowing or widening of the pupils (dark circles in the middle of the eyes)
  • slowed heartbeat
  • dizziness
  • fainting
  • unusual snoring

What other information should I know?

Keep all appointments with your doctor and laboratory. Your doctor may order certain lab tests to check your body's response to hydromorphone.

Before having any laboratory test (especially those that involve methylene blue), tell your doctor and the laboratory personnel that you are taking hydromorphone.

If you are taking the extended-release tablet and you have any x-ray tests, tell the technician that you are taking this medication.

This prescription is not refillable. If you continue to have pain after you finish the hydromorphone, call your doctor.

If you are taking the extended release tablets, you may see the tablet shell in your stool. This is normal and does not mean that you did not receive the full dose of medication.

It is important for you to keep a written list of all of the prescription and nonprescription (over-the-counter) medicines you are taking, as well as any products such as vitamins, minerals, or other dietary supplements. You should bring this list with you each time you visit a doctor or if you are admitted to a hospital. It is also important information to carry with you in case of emergencies.

Brand names

  • Dilaudid®
  • Exalgo®
  • Palladone®

Other names

  • dihydromorphinone

This branded product is no longer on the market. Generic alternatives may be available.

Last Revised - 05/15/2023