PHENYLBUTAZONE Side Effects by Likelihood and Severity

COMMON side effects

If experienced, these tend to have a Severe expression i

  • water retention
  • visible water retention

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

  • nausea
  • stomach cramps

INFREQUENT side effects

If experienced, these tend to have a Severe expression i

  • ringing in the ears
  • a skin rash

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

  • conditions of excess stomach acid secretion
  • muscle tremors

RARE side effects

If experienced, these tend to have a Severe expression i

  • a type of blood disorder where the red blood cells burst called hemolytic anemia
  • a type of blood disorder with a decrease in all types of blood cells called pancytopenia
  • low blood counts due to bone marrow failure
  • anemia
  • decreased blood platelets
  • very low levels of granulocytes, a type of white blood cell
  • low levels of white blood cells
  • low levels of a type of white blood cell called neutrophils
  • confusion
  • mood changes
  • depression
  • a painful condition that affects the nerves in the legs and arms called peripheral neuropathy
  • bleeding from the retina
  • double vision
  • blind spot in the eye
  • blurred vision
  • a change in vision
  • dry eye
  • toxic amblyopia, a loss of vision
  • hearing loss
  • high blood pressure
  • inflammation of the covering of the heart or pericardium
  • chronic heart failure
  • inflammation of the blood vessels
  • vocal cord swelling
  • bronchospasm
  • canker sores
  • inflammation of the esophagus
  • an ulcer in the esophagus
  • a stomach ulcer
  • an ulcer from too much stomach acid
  • stomach or intestinal ulcer
  • a type of stomach irritation called gastritis
  • Crohn's disease
  • inflammation of the large intestine
  • inflammation of the liver called hepatitis
  • acute inflammation of the pancreas
  • blood in the bowel movement
  • bleeding of the stomach or intestines
  • nephrotic syndrome, a type of kidney disorder
  • a type of kidney inflammation called interstitial nephritis
  • glomerulonephritis, a condition that affects the kidneys
  • renal tubular necrosis, a kidney disorder
  • kidney failure
  • renal papillary necrosis
  • kidney stones
  • decreased kidney function
  • a blockage in the urinary tract
  • bloody urine
  • inflammation of the skin due to an allergy
  • 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
  • erythema nodosum, a skin condition with red and painful nodules
  • skin rash with sloughing
  • itching
  • hives
  • a condition with symptoms that resemble lupus
  • muscle pain
  • cramps
  • mental status changes
  • fever
  • wheezing
  • trouble breathing
  • chest tightness
  • bloody vomit
  • decreased urine production
  • abdominal bloating
  • elevation of proteins in the urine
  • the appearance of crystals in the urine
  • a significant type of allergic reaction called anaphylaxis
  • a type of allergic reaction called angioedema
  • a serum sickness reaction
  • a yellowing of the eyes or skin from buildup of bilirubin called jaundice

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

  • constipation
  • increased sensitivity of the skin to the sun
  • drowsiness
  • dizziness
  • low energy
  • headache
  • vomiting
  • gas
  • diarrhea
  • nervousness
  • a feeling of general discomfort called malaise
  • irritability

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 phenylbutazone (bulk)?

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.