Indications for: VASOSTRICT

To increase blood pressure in adults with vasodilatory shock who remain hypotensive despite fluids and catecholamines.

Adult Dosage:

Use lowest effective dose. Post-cardiotomy shock: initially 0.03U/min; max 0.1U/min. Septic shock: initially 0.01U/min; max 0.07U/min. May titrate up by 0.005U/min at 10–15min intervals until target BP is achieved. After target BP maintained for 8hrs without use of catecholamines, taper by 0.005U/min every hour as tolerated to maintain target BP.

Children Dosage:

Not established.

VASOSTRICT Contraindications:

Multi-dose vial: chlorobutanol allergy.

VASOSTRICT Warnings/Precautions:

Decrease in cardiac index may be observed. Reversible diabetes insipidus. Monitor serum electrolytes, fluid status, and urine output after discontinuation. Elderly. Pregnancy (2nd & 3rd trimester: may need to increase dose). Nursing mothers.

VASOSTRICT Classification:

Vasopressin (synthetic).

VASOSTRICT Interactions:

Additive effect with concomitant catecholamines; monitor and adjust vasopressin dose as needed. May be potentiated by indomethacin, ganglionic blocking agents, SSRIs, tricyclics, haloperidol, chlorpropamide, enalapril, methyldopa, pentamidine, vincristine, cyclophosphamide, ifosfamide, felbamate; monitor and adjust vasopressin dose as needed. May be antagonized by demeclocycline, lithium, foscarnet, clozapine; monitor and adjust vasopressin dose as needed.

Adverse Reactions:

Decreased cardiac output, bradycardia, tachyarrhythmias, hyponatremia, ischemia (coronary, mesenteric, skin, digital).

Drug Elimination:

Renal (minor). Half-life: ≤10 minutes.

Generic Drug Availability:


How Supplied:

Single-dose vials (1mL)—10, 25; Multi-dose vial (10mL)—1; Premixed single-dose vials (100mL)—10