Leflunomide Side Effects by Likelihood and Severity

COMMON side effects


If experienced, these tend to have a Severe expression

  • Acute Infection Of The Nose, Throat Or Sinus
  • Bronchitis
  • Hepatitis
  • High Blood Pressure
  • Urinary Tract Infection

If experienced, these tend to have a Less Severe expression

  • Backache
  • Diarrhea
  • Dizzy
  • Feel Like Throwing Up
  • Hair Loss
  • Head Pain
  • Indigestion
  • Rash
  • Stomach Cramps
  • Throwing Up
  • Weight Loss

INFREQUENT side effects


If experienced, these tend to have a Severe expression

  • Anemia
  • Burning Stomach
  • Chest Pain
  • Fast Heartbeat
  • Heart Throbbing Or Pounding
  • Inflammation Of The Covering Of The Tendon
  • Inflammation Of The Lining Of A Joint
  • Inflammation Of The Lining Of The Stomach And Intestines
  • Numbness And Tingling
  • Trouble Breathing

If experienced, these tend to have a Less Severe expression

  • Acne
  • Canker Sore
  • Constipation
  • Dry Mouth
  • Feeling Anxious
  • Feeling Weak
  • Fever
  • Gas
  • Inflammation Of The Nose
  • Itching
  • Loss Of Appetite
  • Not Feeling Well
  • Pink Eye
  • Sinus Irritation And Congestion
  • Throat Irritation

RARE side effects


If experienced, these tend to have a Severe expression

  • Abnormal Liver Function Tests
  • Acquired Decrease Of All Cells In The Blood
  • Decreased Blood Platelets
  • Decreased Neutrophils A Type Of White Blood Cell
  • Decreased White Blood Cells
  • Deficiency Of Granulocytes A Type Of White Blood Cell
  • DRESS Syndrome
  • Erythema Multiforme
  • Giant Hives
  • High Amount Of Bilirubin In The Blood
  • Increased Eosinophils In The Blood
  • Increased Pressure Of Pulmonary Circulation
  • Inflammation Of The Large Intestine
  • Interstitial Pneumonitis
  • Liver Failure
  • Lung Fibrosis
  • Lung Tissue Problems
  • Nosebleed
  • Pancreatitis
  • Peripheral Neuropathy
  • Pustular Psoriasis
  • Reactivated Tuberculosis
  • Sepsis Caused By Bacteria
  • Severe Infection
  • Stevens-Johnson Syndrome
  • Toxic Epidermal Necrolysis
  • Vasculitis

If experienced, these tend to have a Less Severe expression

  • Cough
  • Dry Skin
  • Flu-Like Symptoms
  • Joint Pain
  • Leg Cramps

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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.