Aldomet

(Generic versions may still be available.)

DRUG DESCRIPTION

ALDOMET* (Methyldopa) is an antihypertensive drug.

Methyldopa, the L-isomer of alpha-methyldopa, is levo-3-(3,4-dihydroxyphenyl)-2-methylalanine. Its empirical formula is C10H13NO4, with a molecular weight of 211.22, and its structural formula is:

Methyldopa is a white to yellowish white, odorless fine powder, and is soluble in water.

ALDOMET (methyldopa) is supplied as tablets, for oral use, in three strengths: 125 mg, 250 mg, or 500 mg of methyldopa per tablet. Inactive ingredients in the tablets are: calcium disodium edetate, cellulose, citric acid, colloidal silicon dioxide, D&C Yellow 10, ethylcellulose, guar gum, hydroxypropyl methylcellulose, iron oxide, magnesium stearate, propylene glycol, talc, and titanium dioxide.

*Registered trademark of MERCK & CO., Inc., COPYRIGHT MERCK & CO., Inc., 1985 All rights reserved

What are the possible side effects of methyldopa (Aldomet)?

If you experience any of the following serious side effects, stop taking methyldopa and seek emergency medical attention:

  • an allergic reaction (difficulty breathing; closing of your throat; swelling of your lips, tongue, or face; or hives);
  • a very slow heart rate (fewer than 60 beats per minute);
  • unusually high or low blood pressure (fainting, a severe headache, flushing of your face);
  • chest pain;
  • uncontrollable movements of your arms, legs, or facial muscles;
  • yellowing of...

Read All Potential Side Effects and See Pictures of Aldomet

What are the precautions when taking methyldopa (Aldomet)?

Before taking methyldopa, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have: liver disease (e.g., hepatitis or cirrhosis), a history of liver disease caused by medications.

Before using this medication, tell your doctor or pharmacist your medical history, especially of: low red blood cell count (e.g., hemolytic anemia), certain genetic conditions (glucose-6-phosphate dehydrogenase deficiency), heart failure, kidney disease, liver disease,...

Read All Potential Precautions of Aldomet


Aldomet Consumer (continued)

SIDE EFFECTS: Dizziness, drowsiness, headache, nasal congestion, and weakness may occur, especially when you start this medication and when your dose is increased. If any of these effects persist or worsen, notify your doctor or pharmacist promptly.

Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

In rare cases, this medication may increase your level of a certain natural substance made by the body (prolactin). For females, this increase in prolactin may result in unwanted breast milk, missing/stopped periods, or difficulty becoming pregnant. For males, it may result in decreased sexual ability, inability to produce sperm, or enlarged breasts. If you develop these symptoms, tell your doctor immediately.

Tell your doctor immediately if any of these rare but very serious side effects occur: swelling of ankles/feet, unexpected or rapid weight gain, unusual bruising or bleeding, involuntary movements, joint/muscle aches, mental/mood changes (e.g., confusion, depression), signs of infection (e.g., fever, persistent sore throat).

Seek immediate medical attention if any of these rare but very serious side effects occur: chest pain, slow/fast/irregular heartbeat.

This drug may infrequently cause serious (rarely fatal) liver disease. If you notice any of the following unlikely but very serious side effects, tell your doctor immediately: persistent nausea, stomach/abdominal pain, dark urine, yellowing eyes/skin.

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 (especially of the face/tongue/throat), severe dizziness, trouble breathing.

This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.

In the US -

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.

PRECAUTIONS: Before taking methyldopa, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have: liver disease (e.g., hepatitis or cirrhosis), a history of liver disease caused by medications.

Before using this medication, tell your doctor or pharmacist your medical history, especially of: low red blood cell count (e.g., hemolytic anemia), certain genetic conditions (glucose-6-phosphate dehydrogenase deficiency), heart failure, kidney disease, liver disease, stroke/transient ischemic attack, pheochromocytoma, Parkinson's disease.

This drug may make you dizzy or drowsy. Do not drive, use machinery, or do any activity that requires alertness until you are sure you can perform such activities safely. Limit alcoholic beverages.

To minimize dizziness and lightheadedness, get up slowly when rising from a seated or lying position.

Before having surgery, tell your doctor or dentist that you are using this medication.

Kidney function declines as you grow older. This medication is removed by the kidneys. Therefore, elderly people may be more sensitive to its effects, especially dizziness, difficulty concentrating, and memory problems.

Tell your doctor if you are pregnant before using this medication.

This medication passes into breast milk. While there have been no reports of harm to nursing infants, consult your doctor before breast-feeding.


Aldomet Patient Information Including Side Effects

Brand Names: Aldomet

Generic Name: methyldopa (Pronunciation: METH il DOE pa)

  • What is methyldopa (Aldomet)?
  • What are the possible side effects of methyldopa (Aldomet)?
  • What is the most important information I should know about methyldopa (Aldomet)?
  • What should I discuss with my healthcare provider before taking methyldopa (Aldomet)?
  • How should I take methyldopa (Aldomet)?
  • What happens if I miss a dose (Aldomet)?
  • What happens if I overdose (Aldomet)?
  • What should I avoid while taking methyldopa (Aldomet)?
  • What other drugs will affect methyldopa (Aldomet)?
  • Where can I get more information?

What is methyldopa (Aldomet)?

Methyldopa lowers blood pressure by decreasing the levels of certain chemicals in your blood. This allows your blood vessels (veins and arteries) to relax (widen) and your heart to beat more slowly and easily.

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

Methyldopa may also be used for purposes other than those listed in this medication guide.

What are the possible side effects of methyldopa (Aldomet)?

If you experience any of the following serious side effects, stop taking methyldopa and seek emergency medical attention:

  • an allergic reaction (difficulty breathing; closing of your throat; swelling of your lips, tongue, or face; or hives);
  • a very slow heart rate (fewer than 60 beats per minute);
  • unusually high or low blood pressure (fainting, a severe headache, flushing of your face);
  • chest pain;
  • uncontrollable movements of your arms, legs, or facial muscles;
  • yellowing of your skin or eyes; or
  • unusual bleeding or bruising.

Other, less serious side effects may be more likely to occur. Continue to take methyldopa and talk to your doctor if you experience

  • unusual fatigue, dizziness, or tiredness;
  • headache;
  • constipation, nausea, vomiting, or diarrhea;
  • insomnia; or
  • dry mouth (sucking on ice chips or sugarless hard candy may relieve this side effect).

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088. You may report side effects to FDA at 1-800-FDA-1088.

What is the most important information I should know about methyldopa (Aldomet)?

Do not stop taking methyldopa suddenly. This could cause severely high blood pressure, nervousness, and anxiety.

Use caution when driving, operating machinery, or performing other hazardous activities. Methyldopa may cause dizziness or drowsiness. If you experience dizziness or drowsiness, avoid these activities.

Use caution when rising from a sitting or lying position, especially first thing in the morning. You may become dizzy while taking methyldopa and you may fall and injure yourself if you get up quickly.

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