hydrALAZINe

Trade name

Apresoline

Presentation and preparation

For IV or IM administration:

Vial size
(powder volume)
Fluid to add
Volume to add
Resulting concentration
20 mg
(0.06 mL)
Water for injections 1 mL 20 mg/mL

Reconstitute to 20 mg/mL for IV or IM administration.

20 mg ampoule contains 21.2 mg of hydralazine.

IV administration

Give undiluted or dilute to 0.4 mg/mL ­­and give over at least 5 minutes or by continuous infusion.

Maximum rate: 5 mg/minute.

Other routes of administration

IM: Suitable. Give undiluted.

SC: Not recommended.

Compatible IV fluids

Sodium chloride 0.9% 

Hydralazine 0.4 mg/mL or weaker:

Hartmann’s

Ringer’s

Y-site only:

Potassium chloride 20 mmol/L

Y-site only and hydralazine 2 mg/mL or weaker:

Plasma-Lyte 148

Additional information

Extravasation risk.

Monitor blood pressure and heart rate continuously.

Prepare immediately before use.

On dilution, colour changes occur in most infusion solutions within 8 to 12 hours, without affecting potency. Solutions may discolour, often yellow or pink when in contact with metal. Avoid prolonged contact and discoloured solutions should be discarded.

Protect from light during storage.


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