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Hydralazine is used with or without other medications to treat high blood pressure. Lowering high blood pressure helps prevent strokes, heart attacks, and kidney problems. Hydralazine is called a vasodilator and works by relaxing blood vessels so blood can flow more easily.Hydralazine may be also used with other medications to treat heart failure.
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| Overview |
Photos |
How To Use |
Side Effects |
Precautions |
Missed Dose |
Drug Interactions |
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Hydralyn 50
Uses
Hydralazine is used with or without other medications to treat high blood pressure. Lowering high blood pressure helps prevent strokes, heart attacks, and kidney problems. Hydralazine is called a vasodilator and works by relaxing blood vessels so blood can flow more easily.Hydralazine may be also used with other medications to treat heart failure.
Notes
- Do not share this medication with others.Lifestyle changes such as stress reduction programs, exercise, and dietary changes may increase the effectiveness of this medicine.
- Talk to your doctor or pharmacist about lifestyle changes that might benefit you.Laboratory and/or medical tests (e.g., blood pressure, complete blood count, antinuclear antibody titer-ANA) may be performed regularly to monitor your progress or check for side effects.
- Consult your doctor for more details.Have your blood pressure checked regularly while taking this medication.
- Learn how to monitor your own blood pressure, and share the readings with your doctor.
Storage
- Store at room temperature between 59-86 degrees F (15-30 degrees C) away from light and moisture.
- Do not store in the bathroom.
- Keep all medicines away from children and pets.
Overdose
- Symptoms of overdose may include: fainting, severe dizziness, severe headaches, chest pain, jaw/left arm pain, cold sweats, irregular breathing, blue lips, fast/weak heartbeat.
How To Use
- Take this medication by mouth, usually 2 to 4 times daily or as directed by your doctor.
- Take it consistently with meals or on an empty stomach.
- The dosage is based on your age, medical condition, and response to therapy.
- If you have severe liver problems, your dosage may need to be adjusted.Your doctor may start you at a low dose and gradually increase your dose.
- Follow your doctor's instructions carefully.Use this medication regularly in order to get the most benefit from it.
- To help you remember, take it at the same times each day.
- It is important to continue taking this medication even if you feel well.
- Most people with high blood pressure do not feel sick.
- It may take up to several weeks before the full benefit of this drug takes effect.Do not stop taking this medication without first consulting your doctor.
- Some conditions may become worse when the drug is abruptly stopped.
- Your dose may need to be gradually decreased.Inform your doctor if your condition worsens (e.g., your routine blood pressure readings increase).
Side Effects
- Dizziness, lightheadedness, headache, loss of appetite, nausea, vomiting, diarrhea, constipation, flushing, eye watering/redness/itchiness, or stuffy nose may occur as your body adjusts to the medication.
- If any of these effects persist or worsen, notify your doctor or pharmacist promptly.Remember that your doctor has prescribed this medication because the benefit to you is greater than the risk of side effects.
- Many people using this medication do not have serious side effects.Tell your doctor immediately if any of these unlikely but serious side effects occur: fast/irregular heartbeat, chest pain, unusual/persistent dizziness, shaking (tremor), muscle cramps, mental/mood changes (e.g., depression, anxiety), trouble urinating, severe vomiting, severe constipation, decreased sexual ability.This medication may infrequently cause nerve problems.
- Notify your doctor promptly if you experience numbness or tingling.
- Your doctor may recommend a vitamin B6 supplement (pyridoxine).This medication may infrequently cause a serious immune system problem (systemic lupus erythematosus), which may occur with or without a certain severe kidney problem (glomerulonephritis).
- Tell your doctor immediately if you experience any of these unlikely but serious side effects: unusual tiredness, joint/muscle aches, unusual fever, butterfly-shaped facial rash, swollen glands, bloody/pink urine, swelling of the feet/ankles.Your doctor may need to order special tests if you experience these symptoms.
- Keep all laboratory and medical appointments.Tell your doctor immediately if any of these rare but very serious side effects occur: signs of infection (e.g., fever, persistent sore throat), easy bruising/bleeding, yellowing of the eyes/skin, dark urine, persistent nausea/vomiting.A very serious allergic reaction to this drug is unlikely, but seek immediate medical attention if it occurs.
- Symptoms of a serious allergic reaction may include: rash, itching, swelling, severe dizziness, trouble breathing.If you notice other effects not listed above, contact your doctor or pharmacist.
Precautions
- Before taking hydralazine, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies.This medication should not be used if you have certain medical conditions.
- Before using this medicine, consult your doctor or pharmacist if you have: chest pain (angina), previous heart attack, a certain heart valve problem (rheumatic heart disease of the mitral valve).Before using this medication, tell your doctor or pharmacist your medical history, especially of: blood vessel problems, high pressure in the brain (intracranial pressure), previous stroke, kidney failure, liver problems, a certain immune system disease (lupus), recent nerve surgery (e.g., sympathectomy).This drug may make you dizzy or cause temporary blurred vision; use caution while engaging in activities requiring alertness such as driving or using machinery.
- Limit alcoholic beverages.To reduce dizziness and lightheadedness, get up slowly when rising from a sitting or lying position.Caution is advised when using this drug in the elderly because they may be more sensitive to its effects, especially dizziness.Before having surgery, tell your doctor or dentist that you are taking this medication.This medication should be used only when clearly needed during pregnancy.
- Discuss the risks and benefits with your doctor.It is not known whether hydralazine passes into breast milk.
- Consult your doctor before breast-feeding.
Missed Dose
- If you miss a dose, take it as soon as you remember.
- If it is near the time of the next dose, skip the missed dose and resume your usual dosing schedule.
- Do not double the dose to catch up.
Drug Interactions
- Your healthcare professionals (e.g., doctor or pharmacist) may already be aware of any possible drug interactions and may be monitoring you for it.
- Do not start, stop or change the dosage of any medicine before checking with them first.Avoid taking MAO inhibitors (furazolidone, isocarboxazid, linezolid, moclobemide, phenelzine, procarbazine, selegiline, tranylcypromine) within 2 weeks before and after treatment with this medication.
- In some cases a serious, possibly fatal drug interaction may occur.Before using this medication, tell your doctor or pharmacist of all prescription and nonprescription/herbal products you may use, especially of: epinephrine, certain medications for high blood pressure (e.g., diazoxide).Check the labels on all your medicines (e.g., cough-and-cold products, diet aids, nonsteroidal anti-inflammatory drugs-NSAIDs for pain/fever reduction) because they may contain ingredients that could increase your blood pressure or cause a fast heartbeat (e.g., pseudoephedrine, phenylephrine, chlorpheniramine, diphenhydramine, clemastine, ibuprofen, naproxen).
- Ask your pharmacist about the safe use of those products.
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CONDITIONS OF USE: The information in this database is intended to supplement, not substitute for, the expertise and judgement of healthcare professionals. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment.
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