Health Information

 

 

hydralazine

Pronunciation: hye DRAL a zeen

Brand: Apresoline

Hydralazine 10 mg-IVA

round, orange, imprinted with PLIVA 398

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HydrALAZINE 10 mg-PAR

round, pink, imprinted with par 029

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Hydralazine 10 mg-SID

round, orange, imprinted with SL 398

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HydrALAZINE 100 mg-PAR

round, peach, imprinted with par 121

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Hydralazine 25 mg-IVA

round, orange, imprinted with PLIVA 327

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Hydralazine 25 mg-SID

round, orange, imprinted with SL 327

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Hydralazine 50 mg-IVA

round, orange, imprinted with PLIVA 328

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HydrALAZINE 50 mg-PAR

round, peach, imprinted with par 028

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Hydralazine 50 mg-SID

round, orange, imprinted with SL 328

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What is the most important information I should know about hydralazine?

Multum donot

You should not use this medication if you are allergic to hydralazine, or if you have coronary artery disease, or rheumatic heart disease affecting the mitral valve.

Before taking hydralazine, tell your doctor if you have kidney disease, lupus, angina pectoris (chest pain), or if you have ever had a stroke.

Multum dizzy

While taking hydralazine, avoid getting up too fast from a sitting or lying position, or you may feel dizzy. Get up slowly and steady yourself to prevent a fall.

Multum emt

Call your doctor at once if you have a serious side effect such as fast or pounding heartbeats, swelling, numbness or tingling, dark-colored urine, joint pain or swelling with fever, chest pain, weakness or tired feeling, and urinating less than usual or not at all.

To be sure this medication is helping your condition and is not causing harmful effects, your blood pressure will need to be checked often. You may also need occasional blood tests. Do not miss any scheduled appointments.

Keep using hydralazine as directed, even if you feel well. High blood pressure often has no symptoms, so you may not know when your blood pressure is high. You may need to use blood pressure medication for the rest of your life.

What is hydralazine?

Hydralazine is a vasodilator that works by relaxing the muscles in your blood vessels to help them dilate (widen). This lowers blood pressure and allows blood to flow more easily through your veins and arteries.

Hydralazine is used to treat high blood pressure (hypertension).

Hydralazine may also be used for other purposes not listed in this medication guide.

What should I discuss with my healthcare provider before taking hydralazine?

Multum donot

You should not use this medication if you are allergic to hydralazine, or if you have:

  • coronary artery disease; or
  • rheumatic heart disease affecting the mitral valve.

Before taking hydralazine, tell your doctor if you are allergic to any drugs, or if you have:

  • kidney disease,
  • lupus;
  • angina pectoris (chest pain); or
  • if you have ever had stroke.

If you have any of these conditions, you may need a dose adjustment or special tests to safely take this medication.

Multum nopreg

FDA pregnancy category C. This medication may be harmful to an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant during treatment.

Multum nobrfeed

Hydralazine can pass into breast milk and may harm a nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby.

How should I take hydralazine?

Take this medication exactly as prescribed by your doctor. Do not take it in larger amounts or for longer than recommended. Follow the directions on your prescription label.

To be sure this medication is helping your condition and is not causing harmful effects, your blood pressure will need to be checked often. You may also need occasional blood tests. Do not miss any scheduled appointments.

Keep using hydralazine as directed, even if you feel well. High blood pressure often has no symptoms, so you may not know when your blood pressure is high. You may need to use blood pressure medication for the rest of your life.

Multum rt

Store hydralazine at room temperature away from moisture and heat.

What happens if I miss a dose?

Take the missed dose as soon as you remember. If it is almost time for your next dose, wait until then to take the medicine and skip the missed dose. Do not take extra medicine to make up the missed dose.

What happens if I overdose?

Multum emt

Seek emergency medical attention if you think you have used too much of this medicine.

Overdose symptoms may include headache, dizziness, fast heart rate, warmth or tingling under your skin, chest pain, or fainting.

What should I avoid while taking hydralazine?

Multum dizzy

Avoid getting up too fast from a sitting or lying position, or you may feel dizzy. Get up slowly and steady yourself to prevent a fall.

What are the possible side effects of hydralazine?

Multum emt

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Multum emt

Call your doctor at once if you have a serious side effect such as:

  • fast or pounding heartbeats;
  • swelling in your face, stomach, hands, or feet;
  • numbness, burning, pain, or tingly feeling;
  • feeling like you might pass out;
  • confusion, unusual thoughts or behavior;
  • pale skin, easy bruising;
  • painful or difficult urination;
  • dark-colored urine;
  • urinating less than usual or not at all; or
  • joint pain or swelling with fever, chest pain, weakness or tired feeling.

Less serious side effects may include:

  • nausea, vomiting, loss of appetite;
  • diarrhea, constipation;
  • headache;
  • dizziness;
  • anxiety;
  • muscle or joint pain;
  • runny or stuffy nose; or
  • mild itching or skin rash.

This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect. You may report side effects to FDA at 1-800-FDA-1088.

What other drugs will affect hydralazine?

Before taking hydralazine, tell your doctor if you are taking any of the following medicines:

  • diazoxide (Hyperstat, Proglycem); or
  • an MAO inhibitor such as isocarboxazid (Marplan), phenelzine (Nardil), rasagiline (Azilect), selegiline (Eldepryl, Emsam), or tranylcypromine (Parnate).

This list is not complete and there may be other drugs that can interact with hydralazine. Tell your doctor about all your prescription and over-the-counter medications, vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start a new medication without telling your doctor.

Where can I get more information?

Your pharmacist can provide more information about hydralazine.


Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.

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