What is this medicine?
HYDRALAZINE (hye DRAL a zeen) is a vasodilator. It relaxes blood vessels, increasing the blood and oxygen supply to your heart. This medicine is used to treat high blood pressure.
How should I use this medicine?
This medicine is for injection into a muscle or a vein, It is given by a health-care professional in a hospital or clinic setting.
Talk to your pediatrician regarding the use of this medicine in children. Special care may be needed. While this drug may be prescribed for children for selected conditions, precautions do apply.
What side effects may I notice from receiving this medicine?
Side effects that you should report to your doctor or health care professional as soon as possible:
allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
fast, irregular heartbeat
fever, chills, or sore throat
pain, tingling, numbness in the hands or feet
stiff or swollen joints
sudden weight gain
swelling of the feet or legs
swollen lymph glands
unusually weak or tired
Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
diarrhea or constipation
loss of appetite
What may interact with this medicine?
What if I miss a dose?
This does not apply.
Where should I keep my medicine?
This drug is given in a hospital or clinic and will not be stored at home.
What should I tell my health care provider before I take this medicine?
They need to know if you have any of these conditions:
blood vessel disease
heart disease including angina or history of heart attack
systemic lupus erythematosus (SLE)
an unusual or allergic reaction to hydralazine, tartrazine dye, other medicines, foods, dyes, or preservatives
pregnant or trying to get pregnant
What should I watch for while using this medicine?
You may get drowsy or dizzy. Do not drive, use machinery, or do anything that needs mental alertness until you know how this medicine affects you. Do not stand or sit up quickly, especially if you are an older patient. This reduces the risk of dizzy or fainting spells. Alcohol may interfere with the effect of this medicine. Avoid alcoholic drinks.
Do not treat yourself for coughs, colds, or pain while you are taking this medicine without asking your doctor or health care professional for advice. Some ingredients may increase your blood pressure.