Leflunomide Side Effects by Likelihood and Severity

COMMON side effects


If experienced, these tend to have a Severe expression

  • A Common Cold
  • Bronchitis
  • High Blood Pressure
  • Inflammation Of The Liver Called Hepatitis
  • Urinary Tract Infection

If experienced, these tend to have a Less Severe expression

  • A Skin Rash
  • Backache
  • Diarrhea
  • Dizziness
  • Hair Loss
  • Headache
  • Indigestion
  • Nausea
  • Stomach Cramps
  • Vomiting
  • Weight Loss

INFREQUENT side effects


If experienced, these tend to have a Severe expression

  • A Feeling Of Pins And Needles On Skin
  • A Type Of Stomach Irritation Called Gastritis
  • Anemia
  • Chest Pain
  • Fast Heartbeat
  • Heart Throbbing Or Pounding
  • Inflammation Of The Covering Of A Tendon
  • Inflammation Of The Lining Of A Joint
  • Inflammation Of The Lining Of The Stomach And Intestines
  • Trouble Breathing

If experienced, these tend to have a Less Severe expression

  • A Feeling Of General Discomfort Called Malaise
  • A Stuffy And Runny Nose
  • Acne
  • Anxious Feelings
  • Canker Sores
  • Constipation
  • Decreased Appetite
  • Dry Mouth
  • Fever
  • Gas
  • Generalized Weakness
  • Inflammation Of The Tissue Lining The Sinuses
  • Itching
  • Pink Eye
  • Throat Irritation

RARE side effects


If experienced, these tend to have a Severe expression

  • A Bad Infection
  • A Condition Where There Is Formation Of Fibrous Tissue In The Lung Called Pulmonary Fibrosis
  • A Painful Condition That Affects The Nerves In The Legs And Arms Called Peripheral Neuropathy
  • A Skin Disorder With Blistering And Peeling Skin Called Stevens-Johnson Syndrome
  • A Skin Disorder With Blistering And Peeling Skin Called Toxic Epidermal Necrolysis
  • A Skin Ulcer
  • A Systemic Inflammatory Response Called Sepsis Due To An Infection With Bacteria
  • A Type Of Allergic Reaction Called Angioedema
  • A Type Of Blood Disorder With A Decrease In All Types Of Blood Cells Called Pancytopenia
  • A Type Of Inflammation Of The Lung Called Interstitial Pneumonitis
  • A Type Of Significant Allergic Skin Reaction Called DRESS Syndrome
  • A Type Of Skin Disease With Raised, Red Patches Filled With Pus Called Pustular Psoriasis
  • Abnormal Liver Function Tests
  • Decreased Blood Platelets
  • Erythema Multiforme, A Type Of Allergic Skin Reaction
  • High Amount Of Bilirubin In The Blood
  • Increased Eosinophils In The Blood
  • Inflammation Of The Blood Vessels
  • Inflammation Of The Large Intestine
  • Liver Failure
  • Low Levels Of A Type Of White Blood Cell Called Neutrophils
  • Low Levels Of White Blood Cells
  • Lung Tissue Problem
  • Nosebleed
  • Pancreatitis
  • Pulmonary Hypertension
  • Reactivation Of A Past Tuberculosis Infection
  • Very Low Levels Of Granulocytes, A Type Of White Blood Cell

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.