This medication is used to treat hypertension and pre-eclampsia.

IUPAC name:  (2S)-2-amino-3-(3,4-dihydroxyphenyl)-2-methylpropanoic acid

Drug class: Antihypertensive

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Product type: Tablet

Is it a drug that needs a prescription? YES

Is it an OTC drug? NO

Mechanism of action

Methyldopa has alpha-2 agonist properties. This medicine works by relaxing blood vessels, allowing blood to flow more freely throughout the body. As a result, the hypertension is lowered.

Side effects

Methyldopa commonly causes headaches, dizziness, weakness, drowsiness, unusual tiredness, and fever.


 Following precautions should be taken before using this medication and notify your doctor:

  1. Consult your doctor if you are allergic to this drug or any other medication, or if you have any other type of allergy.
  2. If you are currently taking any other medications (including prescription drugs, over-the-counter medications, and herbal supplements),
  3. If you have a history of hepatic disease (cirrhosis, hepatitis), renal problems, anemia, or heart failure,
  4. If you are using methyldopa, avoid taking iron supplements.
  5. Use of this drug in aged persons should be avoided (65 or above).
  6. Avoid drinking alcohol because it induces drowsiness.
  7. If you are having surgery

Use of methyldopa in pregnancy:

This medication can be used in pregnancy after the completion of the first trimester.

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