FELBATOL Side Effects by Likelihood and Severity

COMMON side effects

If experienced, these tend to have a Severe expression i

  • fever
  • abnormal manner of walking

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

  • indigestion
  • disorder of the digestive system
  • constipation
  • dizziness
  • difficulty sleeping
  • taste impairment
  • decreased appetite
  • headache
  • nausea
  • vomiting
  • stomach cramps

INFREQUENT side effects

If experienced, these tend to have a Severe expression i

  • mood changes
  • agitation
  • aggressive behavior
  • a toxic effect on the central nervous system, which consists of the brain and spinal cord
  • mental status changes
  • muscle tremors
  • loss of muscle coordination
  • a skin rash

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

  • double vision
  • blurred vision
  • a common cold
  • a stuffy and runny nose
  • drowsiness
  • weight loss
  • diarrhea
  • nervousness
  • anxious feelings

RARE side effects

If experienced, these tend to have a Severe expression i

  • a type of blood disorder with a decrease in all types of blood cells called pancytopenia
  • decreased function of bone marrow
  • low blood counts due to bone marrow failure
  • a change in blood platelet function
  • decreased blood platelets
  • very low levels of granulocytes, a type of white blood cell
  • low levels of white blood cells
  • a blood disorder
  • mental problems from taking the drug
  • suicidal thoughts
  • prolonged QT interval on EKG
  • stuffy nose
  • acute liver failure
  • increased sensitivity of the skin to the sun
  • a skin disorder with blistering and peeling skin called Stevens-Johnson syndrome
  • itching
  • hives
  • puffy face from water retention
  • swollen lymph nodes
  • trouble breathing
  • a significant type of allergic reaction called anaphylaxis
  • IgA vasculitis

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

  • behavioral problems

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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.