Treats moderate to severe pain. Belongs to a class of drugs called narcotic analgesics.
There may be other brand names for this medicine.
When This Medicine Should Not Be Used
You should not use this medicine if you have ever had an allergic reaction to hydromorphone or to related narcotic pain killers. You should not use hydromorphone if you have lung or breathing problems, or if you have an injury or wound inside your skull.
How to Use This Medicine
- Your doctor will prescribe your exact dose and tell you how often it should be given. This medicine is given as a shot under your skin, into a muscle, or into a vein.
- A nurse or other trained health professional will give you this medicine.
- You may be taught how to give your medicine at home. Make sure you understand all instructions before giving yourself an injection. Do not use more medicine or use it more often than your doctor tells you to.
- To avoid dizziness from this medicine, get up slowly from a lying or sitting position.
If a dose is missed:
- Take the missed dose as soon as you remember.
- Take the rest of your doses for the day at evenly spaced time intervals, then return to your normal schedule.
- You should not use two doses at the same time.
How to Store and Dispose of This Medicine
- Store your medicine at room temperature, away from heat and light.
- Keep all medicine out of the reach of children.
Drugs and Foods to Avoid
Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.
- Make sure your doctor knows if you are also taking medicine for diarrhea, an MAO inhibitor (Nardil®, Parnate®, Eldepryl®), or medicines that may make you sleepy such as cold or allergy medicines, sleeping pills, tranquilizers, or other pain killers.
- Avoid drinking alcohol while using hydromorphone.
Warnings While Using This Medicine
- If you are pregnant or breastfeeding, talk to your doctor before taking this medicine.
- Before taking this medicine, tell your doctor if you liver, kidney, gallbladder, or inflammatory bowel disease, an enlarged prostate, or trouble going to the bathroom.
- This medicine may be habit-forming. You should not use more than your doctor ordered, or use for longer periods of time than prescribed.
- Talk to your doctor before you stop taking this medicine. You may need to take smaller and smaller amounts before stopping completely.
- This medicine may make you drowsy or dizzy. Avoid driving or using machinery.
- This medicine may cause constipation. This is more common if you use it for a long time. Ask your doctor if you should also use a laxative to prevent and treat constipation.
Possible Side Effects While Using This Medicine
Call your doctor right away if you notice any of these side effects:
- Shortness of breath, trouble breathing
- Severe skin rash, itching, or hives
- Slow, fast, or irregular heartbeat
- Trouble going to the bathroom (urinating)
If you notice these less serious side effects, talk with your doctor:
- Drowsiness or confusion
- Dizziness, headache, or blurred vision
- Nausea, vomiting, loss of appetite
- Sweating, or cold, clammy skin