"A new consumer-friendly form ( is now available for making reports to MedWatch, the Food and Drug Administration's (FDA) on-line system for collecting information about serious problems with drugs, medical devices and other FDA-"...
(Generic versions may still be available.)
- Patient Information:
Details with Side Effects
Vasopressin Injection, USP is a sterile, aqueous solution of synthetic vasopressin (8-L-arginine vasopressin) of the posterior pituitary gland for intramuscular or subcutaneous use. It is substantially free from the oxytocic principle and is standardized to contain 20 pressor units/mL.
It has the following molecular formula: C46H65N15O12S2 with a molecular weight of 1084.23.
What are the possible side effects of vasopressin (Pitressin)?
Some people receiving vasopressin have had an immediate reaction to the medication. Tell your caregiver right away if you feel weak, nauseated, light-headed, sweaty, or have a fast heartbeat, chest tightness, or weak breathing just after receiving vasopressin.
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Tell your caregivers at once if you have any of these serious side effects:
- slow or uneven heart rate;
- gasping or trouble...
Last reviewed on RxList: 12/8/2004
This monograph has been modified to include the generic and brand name in many instances.
Additional Pitressin Information
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
Find out what women really need.