Methyldopa Side Effects by Likelihood and Severity

COMMON side effects

If experienced, these tend to have a Severe expression i

  • fluid retention in the legs, feet, arms or hands
  • If experienced, these tend to have a Less Severe expression i

  • dry mouth
  • drowsiness
  • headache
  • INFREQUENT side effects

    If experienced, these tend to have a Severe expression i

  • mental status changes
  • a fever as a result of taking the medication
  • If experienced, these tend to have a Less Severe expression i

  • abnormal sexual function
  • altered interest in having sexual intercourse
  • orthostatic hypotension, a form of low blood pressure
  • stuffy nose
  • the inability to have an erection
  • nausea
  • diarrhea
  • RARE side effects

    If experienced, these tend to have a Severe expression i

  • destruction of red blood cells by body's own antibodies
  • decreased blood platelets
  • low levels of white blood cells
  • low levels of granulocytes, a type of white blood cell
  • inflammation of the middle tissue heart muscle
  • inflammation of the large intestine
  • liver damage
  • damage to the liver and inflammation
  • blockage of normal bile flow
  • acute inflammation of the pancreas
  • systemic lupus erythematosus, an autoimmune disease
  • If experienced, these tend to have a Less Severe expression i

  • a high prolactin level
  • sinus bradycardia
  • vomiting
  • a feeling of pins and needles on skin
  • Free RX Coupon

    Save up to 80% on your prescriptions.

    Available coupons

    Save up to 80% on your prescription with WebMDRx

    Drug Survey

    Are you currently using Methyldopa?

    This survey is being conducted by the WebMD marketing sciences department.

    Selected from data included with permission and copyrighted by First Databank, Inc. This copyrighted material has been downloaded from a licensed data provider and is not for distribution, except as may be authorized by the applicable terms of use.

    CONDITIONS OF USE: The information in this database is intended to supplement, not substitute for, the expertise and judgment of healthcare professionals. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment.