Acyclovir Side Effects by Likelihood and Severity

COMMON side effects


If experienced, these tend to have a Less Severe expression

  • A Feeling Of General Discomfort Called Malaise

INFREQUENT side effects


If experienced, these tend to have a Less Severe expression

  • Agitation
  • Diarrhea
  • Dizziness
  • Drowsiness
  • Hair Loss
  • Head Pain
  • Irritation Of The Stomach Or Intestines
  • Muscle Pain
  • Nausea
  • Numbness And Tingling
  • Stomach Cramps
  • Vomiting

RARE side effects


If experienced, these tend to have a Severe expression

  • A Change In Vision
  • A Significant Type Of Allergic Reaction Called Anaphylaxis
  • A Skin Disorder With Blistering And Peeling Skin Called Stevens-Johnson Syndrome
  • A Skin Disorder With Blistering And Peeling Skin Called Toxic Epidermal Necrolysis
  • A Skin Rash
  • A Type Of Allergic Reaction Called Angioedema
  • A Type Of Brain Function Problem Called Encephalopathy
  • A Type Of Speech Disorder Called Dysarthria
  • A Yellowing Of The Eyes Or Skin From Buildup Of Bilirubin Called Jaundice
  • Abnormal Liver Function Tests
  • Aggressive Behavior
  • Anemia
  • Bloody Urine
  • Coma
  • Confusion
  • Decreased Blood Platelets
  • Delirium
  • Erythema Multiforme, A Type Of Allergic Skin Reaction
  • Fever
  • Fluid Retention In The Legs, Feet, Arms Or Hands
  • Hallucinations
  • High Amount Of Bilirubin In The Blood
  • Hives
  • Inflammation Of The Liver Called Hepatitis
  • Itching
  • Kidney Failure
  • Low Levels Of White Blood Cells
  • Mental Problems From Taking The Drug
  • Seizures
  • Swollen Lymph Nodes

If experienced, these tend to have a Less Severe expression

  • Increased Sensitivity Of The Skin To The Sun
  • Kidney Pain
  • Loss Of Muscle Coordination
  • Muscle Tremors
  • Pain

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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.