Hydralazine (Oral Route, Injection Route, Intravenous Route)

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Precautions

It is important that your doctor check your progress at regular visits to make sure that this medicine is working properly.

Hydralazine may cause some people to have headaches or to feel dizzy. Make sure you know how you react to this medicine before you drive, use machines, or do anything else that could be dangerous if you are dizzy or are not alert.

The oral solution contains 1.4 milligrams (mg) of phenylalanine per teaspoonful (5 mL). Patients with phenylketonuria cannot process phenylalanine and high levels of this substance in body fluids may cause brain damage.

For patients taking this medicine for high blood pressure :

• Do not take other medicines unless they have been discussed with your doctor. This especially includes over-the-counter (nonprescription) medicines for appetite control, asthma, colds, cough, hay fever, or sinus problems, since they may tend to increase your blood pressure.

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