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You are here : 3-RX.com > Drugs & Medications > Detailed Drug Information (USP DI) > Methyldopa : Before Using

Methyldopa (Systemic)

Brand Names : Aldomet, Apo-Methyldopa, Nu-Medopa, Dopamet, Novomedopa

Methyldopa | Before Using | Proper Use | Precautions | Side Effects

Before Using This Medicine

In deciding to use a medicine, the risks of taking the medicine must be weighed against the good it will do. This is a decision you and your doctor will make. For methyldopa, the following should be considered:

Allergies - Tell your doctor if you have ever had any unusual or allergic reaction to methyldopa. Also tell your health care professional if you are allergic to any other substances, such as foods, sulfites or other preservatives, or dyes. Some methyldopa products may contain sulfites. Your health care professional can help you avoid products that may cause a problem.

Pregnancy - Methyldopa has not been studied in pregnant women in the first and second trimesters (the first 6 months of pregnancy). However, studies in pregnant women during the third trimester (the last 3 months of pregnancy) have not shown that methyldopa causes birth defects or other problems.

Breast-feeding - Although methyldopa passes into breast milk, it has not been reported to cause problems in nursing babies.

Children - Although there is no specific information comparing use of methyldopa in children with use in other age groups, this medicine is not expected to cause different side effects or problems in children than it does in adults.

Older adults - Dizziness or lightheadedness and drowsiness may be more likely to occur in the elderly, who are more sensitive to the effects of methyldopa.

Other medicines - Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. When you are taking methyldopa, it is especially important that your health care professional know if you are taking any of the following:

  • Monoamine oxidase (MAO) inhibitor activity (isocarboxazid [e.g., Marplan], phenelzine [e.g., Nardil], procarbazine [e.g., Matulane], selegiline [e.g., Eldepryl], tranylcypromine [e.g., Parnate]) - Taking methyldopa while you are taking or within 2 weeks of taking MAO inhibitors may cause nervousness in patients receiving MAO inhibitors; headache, severe high blood pressure, and hallucinations have been reported

Other medical problems - The presence of other medical problems may affect the use of methyldopa. Make sure you tell your doctor if you have any other medical problems, especially:

  • Angina (chest pain) or
  • Parkinson's disease - Methyldopa may make these conditions worse
  • Kidney disease or
  • Liver disease - Effects of methyldopa may be increased because of slower removal from the body
  • Mental depression (history of) - Methyldopa can cause mental depression
  • Pheochromocytoma - Methyldopa may interfere with tests for the condition; in addition, there have been reports of increased blood pressure
  • If you have taken methyldopa in the past and developed liver problems

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Methyldopa: Description and Brand Names


Methyldopa: Proper Use

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