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What should I discuss with my healthcare provider before I receive milrinone (Primacor)?

You should not receive this medication if you are allergic to milrinone, or if you have recently had a heart attack.

If possible before you receive milrinone, tell your doctor if you have a heart rhythm disorder or low levels of potassium in your blood (hypokalemia).

FDA pregnancy category C. It is not known whether milrinone is harmful to an unborn baby. Before taking this medication, tell your doctor if you are pregnant or plan to become pregnant during treatment.

It is not known whether milrinone passes into breast milk or if it could harm a nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby.

In an emergency situation, it may not be possible before you are treated with milrinone to tell your caregivers if you are pregnant or breast-feeding. However, make sure any doctor caring for your pregnancy or your baby knows that you have received this medication.

How is milrinone given (Primacor)?

Milrinone is given as an injection through a needle placed into a vein. You will receive this injection in a clinic or hospital setting. Milrinone is usually given around-the-clock for up to 48 hours.

Your heart rate and blood pressure will be constantly monitored while you are being treated with milrinone. Your kidney function and electrolytes may also need to be checked with blood tests.

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