ACYCLOVIR Side Effects by Likelihood and Severity

COMMON side effects

If experienced, these tend to have a Severe expression i

    Sorry, we have no data available. Please contact your doctor or pharmacist.

    If experienced, these tend to have a Less Severe expression i

    • a feeling of general discomfort called malaise

    INFREQUENT side effects

    If experienced, these tend to have a Severe expression i

      Sorry, we have no data available. Please contact your doctor or pharmacist.

      If experienced, these tend to have a Less Severe expression i

      • agitation
      • irritation of the stomach or intestines
      • hair loss
      • muscle pain
      • drowsiness
      • dizziness
      • headache
      • nausea
      • vomiting
      • diarrhea
      • stomach cramps
      • a feeling of pins and needles on skin

      RARE side effects

      If experienced, these tend to have a Severe expression i

      • anemia
      • decreased blood platelets
      • low levels of white blood cells
      • mental problems from taking the drug
      • confusion
      • aggressive behavior
      • a type of brain function problem called encephalopathy
      • a change in vision
      • inflammation of the liver called hepatitis
      • kidney failure
      • bloody urine
      • erythema multiforme, a type of allergic skin reaction
      • a skin disorder with blistering and peeling skin called toxic epidermal necrolysis
      • a skin disorder with blistering and peeling skin called Stevens-Johnson syndrome
      • itching
      • hives
      • coma
      • delirium
      • hallucinations
      • seizures
      • fever
      • a skin rash
      • fluid retention in the legs, feet, arms or hands
      • high amount of bilirubin in the blood
      • a type of speech disorder called dysarthria
      • swollen lymph nodes
      • abnormal liver function tests
      • a significant type of allergic reaction called anaphylaxis
      • a type of allergic reaction called angioedema
      • a yellowing of the eyes or skin from buildup of bilirubin called jaundice

      If experienced, these tend to have a Less Severe expression i

      • increased sensitivity of the skin to the sun
      • pain
      • muscle tremors
      • loss of muscle coordination

      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 acyclovir?

      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.