FEBUXOSTAT Side Effects by Likelihood and Severity

COMMON side effects

If experienced, these tend to have a Severe expression i

  • a skin rash
  • abnormal liver function tests

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

  • joint pain
  • nausea

INFREQUENT side effects

If experienced, these tend to have a Severe expression i

  • acute inflammation of the joints due to gout attack

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

  • dizziness
  • headache
  • diarrhea
  • intense abdominal pain

RARE side effects

If experienced, these tend to have a Severe expression i

  • low amount of potassium in the blood
  • a type of blood disorder with a decrease in all types of blood cells called pancytopenia
  • decreased function of bone marrow
  • anemia
  • large purple or brown skin blotches
  • low platelet count and bleeding from immune response
  • decreased blood platelets
  • very low levels of granulocytes, a type of white blood cell
  • low levels of a type of white blood cell called neutrophils
  • increased eosinophils in the blood
  • high levels of white blood cells
  • mental problems from taking the drug
  • Guillain-Barre syndrome
  • clouding of the lens of the eye called cataracts
  • hearing loss
  • high blood pressure
  • a heart attack
  • angina, a type of chest pain
  • abnormal heart electrical signals
  • atrial fibrillation
  • atrial flutter
  • slow heartbeat
  • abnormal heart rhythm
  • chronic heart failure
  • a stroke
  • obstruction of a blood vessel by a blood clot
  • low blood pressure
  • inflammation of the large intestine
  • inflammation of the lining of the stomach and intestines
  • blood coming from anus
  • liver failure
  • inflammation of the liver called hepatitis
  • gallstones
  • a type of kidney inflammation called interstitial nephritis
  • kidney failure
  • kidney stones
  • bloody urine
  • a skin disorder with blistering and peeling skin called toxic epidermal necrolysis
  • a skin disorder with blistering and peeling skin called Stevens-Johnson syndrome
  • hives
  • a condition with muscle tissue breakdown called rhabdomyolysis
  • myelodysplastic syndrome, a bone marrow disorder
  • high amount of bilirubin in the blood
  • nosebleed
  • bloody vomit
  • an enlarged liver
  • an enlarged spleen
  • a significant type of allergic reaction called anaphylaxis
  • a type of allergic reaction called angioedema
  • a hypersensitivity reaction to a drug
  • a feeling of pins and needles on skin
  • a yellowing of the eyes or skin from buildup of bilirubin called jaundice
  • pancreatitis
  • worsening of chronic heart failure
  • a type of significant allergic skin reaction called DRESS syndrome
  • fast heartbeat

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

  • high amount of triglyceride in the blood
  • dehydration
  • mood changes
  • altered interest in having sexual intercourse
  • aggressive behavior
  • blurred vision
  • ringing in the ears
  • gum pain
  • dry mouth
  • stomatitis, a condition with painful swelling and sores inside the mouth
  • gastroesophageal reflux disease
  • an ulcer from too much stomach acid
  • a type of stomach irritation called gastritis
  • indigestion
  • constipation
  • the inability to have an erection
  • enlarged breasts
  • breast pain
  • increased sensitivity of the skin to the sun
  • abnormal peeling of skin
  • erythema or redness of skin or mucous membrane
  • itching
  • hair loss
  • hair discoloration
  • skin discoloration
  • muscle pain
  • sensation of spinning or whirling
  • low energy
  • flu-like symptoms
  • body odor
  • muscle tremors
  • abnormal manner of walking
  • visible water retention
  • temporary redness of face and neck
  • small reddish-purplish pin-point sized spots on skin
  • changes in appetite
  • heart throbbing or pounding
  • vomiting
  • gas
  • a condition where the urge to urinate results in urine leakage
  • abdominal bloating
  • 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.