Proper Use

Drug information provided by: Micromedex

A nurse or other trained health professional will give you this medicine. Make sure that the infusion site be changed every 24 hours to prevent irritation. If you still have the needle placed on the same site after 24 hours, tell your doctor or nurse .


The dose of this medicine will be different for different patients. Follow your doctor's orders or the directions on the label. The following information includes only the average doses of this medicine. If your dose is different, do not change it unless your doctor tells you to do so.

The amount of medicine that you take depends on the strength of the medicine. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine.

  • For injection dosage form:
    • For treatment of euvolemic hyponatremia:
      • Adults—At first, 20 milligrams (mg) administered over 30 minutes. Then, another 20 mg infused continuously for 24 hours. After the initial day of treatment, conivaptan may be given for another 1 to 3 days in a continuous infusion of 20 mg per day. All doses of conivaptan are diluted prior to injection into a vein. Your doctor may increase the dose if needed.
      • Children—Use and dose must be determined by your doctor .