EFAVIRENZ Side Effects by Likelihood and Severity

COMMON side effects

If experienced, these tend to have a Severe expression i

  • depression
  • itching
  • a skin rash

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

  • drowsiness
  • difficulty concentrating
  • dizziness
  • difficulty sleeping
  • low energy
  • headache
  • nausea
  • vomiting
  • diarrhea
  • abnormal dreams
  • abnormal fat distribution associated with HIV

INFREQUENT side effects

If experienced, these tend to have a Severe expression i

  • prolonged QT interval on EKG
  • hallucinations

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

  • indigestion
  • nervousness
  • intense abdominal pain
  • anxious feelings

RARE side effects

If experienced, these tend to have a Severe expression i

  • mental problems from taking the drug
  • confusion
  • manic behavior
  • delusions
  • paranoia
  • suicidal behavior
  • suicidal thoughts
  • behavioral problems
  • a type of brain function problem called encephalopathy
  • a painful condition that affects the nerves in the legs and arms called peripheral neuropathy
  • Guillain-Barre syndrome
  • a change in vision
  • acute liver failure
  • inflammation of the liver called hepatitis
  • acute inflammation of the pancreas
  • drug or chemical-induced sensitivity to sunlight
  • 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
  • skin rash with sloughing
  • abnormal peeling of skin
  • a skin ulcer
  • hives
  • blistering of the skin
  • fainting
  • seizures
  • fever
  • muscle tremors
  • loss of muscle coordination
  • dysphasia, the inability to arrange words in an understandable way
  • dead skin
  • wheezing
  • trouble breathing
  • abnormal liver function tests
  • a feeling of pins and needles on skin
  • chronic inflammation of muscles in the body called polymyositis
  • a condition that results in overproduction of thyroid hormones called Graves' disease
  • a state of stupor and unresponsiveness called catatonia

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

  • depersonalization, a disconnection of one's own sense of reality or identity
  • agitation
  • an extreme sense of wellbeing called euphoria
  • ringing in the ears
  • constipation
  • abnormal absorption of food nutrients in the gastrointestinal tract
  • enlarged breasts
  • inflammation of a hair follicle
  • joint pain
  • muscle pain
  • memory loss
  • sensation of spinning or whirling
  • numbness
  • temporary redness of face and neck
  • decreased appetite
  • cough
  • generalized weakness

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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.