Generic Name: Hydralazine

  • What is Hydralazine?

    Hydralazine is a medicine used alone or with other medicines to treat high blood pressure.

  • What is the most important information I should know about Hydralazine?

    Hydralazine can cause chest pain and other heart problems. It is important for you to tell your doctor about any heart conditions you have.

    You must take hydralazine regularly for it to be effective. Since blood pressure declines gradually, it may be weeks before you get the full benefit of hydralazine. You must continue taking it even if you are feeling well. Hydralazine does not cure high blood pressure; it only keeps it under control.

    Do not abruptly stop taking hydralazine without consulting your doctor.

  • Who should not take Hydralazine?

    Do not take hydralazine if you have coronary artery disease (narrowing of the small blood vessels that supply blood and oxygen to the heart), problems in the valves of your heart, or are allergic to hydralazine or any of its ingredients.

  • What should I tell my doctor before I take the first dose of Hydralazine?

    Tell your doctor about all prescription, over-the-counter, and herbal medications you are taking before beginning treatment with hydralazine. Also, talk to your doctor about your complete medical history, especially if you have heart or kidney problems.

  • What is the usual dosage?

    The information below is based on the dosage guidelines your doctor uses. Depending on your condition and medical history, your doctor may prescribe a different regimen. Do not change the dosage or stop taking your medication without your doctor's approval.

    Adults: The recommended dose is 10 milligrams (mg) four times a day. Your doctor will adjust your dose according to your individual response to the medication.

  • How should I take Hydralazine?

    Take hydralazine exactly as prescribed by your doctor, even if you are feeling well. Do not miss any doses. If hydralazine is not taken regularly, your condition may get worse.

  • What should I avoid while taking Hydralazine?

    Do not stop taking hydralazine suddenly.

  • What are possible food and drug interactions associated with Hydralazine?

    If hydralazine is taken with certain other drugs, the effects of either could be increased, decreased, or altered. It is especially important to check with your doctor before combining hydralazine with the following: diazoxide or monoamine oxidase inhibitors (MAOIs), a class of drugs used to treat depression and other psychiatric conditions (such as phenelzine).

  • What are the possible side effects of Hydralazine?

    Side effects cannot be anticipated. If any develop or change in intensity, tell your doctor as soon as possible. Only your doctor can determine if it is safe for you to continue taking this drug.

    Side effects may include: diarrhea, headache, heart problems, increase in heart beats, nausea, vomiting

  • Can I receive Hydralazine if I am pregnant or breastfeeding?

    The effects of hydralazine during pregnancy and breastfeeding are unknown. Tell your doctor immediately if you are pregnant, plan to become pregnant, or are breastfeeding.

  • What should I do if I miss a dose of Hydralazine?

    If you miss a dose of hydralazine, take it as soon as you remember. However, if it is almost time for your next dose, skip the one you missed and return to your regular dosing schedule. Do not take two doses at once.

  • How should I store Hydralazine?

    Store at room temperature.