Hydromorphone Kalceks is a strong opioid pain reliever used to treat severe pain.
Your doctor or nurse will decide your dose based on your pain, age, and weight. For single doses, typically 1-2 mg given slowly into a vein or under the skin every 3-4 hours. For continuous infusion, typically 0.15-0.45 mg per hour.
This medicine is given by a doctor or nurse as an injection into a vein or under the skin, or as a continuous drip (infusion).
The doctor will carefully adjust your dose to control your pain and determine your maximum daily dose. Never take more than your doctor prescribes.