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HYDRALAZINE (hye DRAL a zeen) is a type of vasodilator. It relaxes blood vessels, increasing the blood and oxygen supply to your heart. This medicine is used to treat high blood pressure.
Take this medicine by mouth with a glass of water. Follow the directions on the prescription label. Take your doses at regular intervals. Do not take your medicine more often than directed. Do not stop taking except on the advice of your doctor or health care professional.
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.
Side effects that you should report to your doctor or health care professional as soon as possible:
chest pain, or fast or irregular heartbeat
fever, chills, or sore throat
numbness or tingling in the hands or feet
shortness of breath
skin rash, redness, blisters or itching
stiff or swollen joints
sudden weight gain
swelling of the feet or legs
swollen lymph glands
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
medicines for high blood pressure
medicines for mental depression
If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.
Keep out of the reach of children.
Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Throw away any unused medicine after the expiration date.
They need to know if you have any of these conditions:
blood vessel disease
heart disease including angina or history of heart attack
kidney or liver disease
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
Visit your doctor or health care professional for regular checks on your progress. Check your blood pressure and pulse rate regularly. Ask your doctor or health care professional what your blood pressure and pulse rate should be and when you should contact him or her.
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.
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