Pegasys Kit Side Effects by Likelihood and Severity

COMMON side effects


If experienced, these tend to have a Severe expression

  • Depression
  • Fever
  • Low Levels Of A Type Of White Blood Cell Called Neutrophils

If experienced, these tend to have a Less Severe expression

  • Anxious Feelings
  • Backache
  • Decreased Appetite
  • Diarrhea
  • Difficulty Concentrating
  • Difficulty Sleeping
  • Dizziness
  • Dry Mouth
  • Flu-Like Symptoms
  • Generalized Weakness
  • Hair Loss
  • Head Pain
  • Inflammation Of The Skin Due To An Allergy
  • Irritability
  • Itching
  • Joint Pain
  • Low Energy
  • Muscle Pain
  • Nausea
  • Nervousness
  • Pain
  • Reactions At The Site Of The Injection
  • Stomach Cramps
  • Vomiting

INFREQUENT side effects


If experienced, these tend to have a Severe expression

  • A Bacterial Infection
  • A Condition With Low Thyroid Hormone Levels
  • A Decreased Number Of Lymphocytes In The Blood
  • A Systemic Inflammatory Response Called Sepsis Due To An Infection With Bacteria
  • Bone Infection And Inflammation
  • Decreased Blood Platelets
  • Endocarditis, An Infection Of A Heart Valve
  • Pneumonia
  • Pyelonephritis, Infection And Inflammation Of The Kidney And Renal Pelvis

If experienced, these tend to have a Less Severe expression

  • A Skin Rash
  • A Type Of Skin Condition With Redness And Itching Called Eczema
  • Blurred Vision
  • Cough
  • Dry Skin
  • Excessive Sweating
  • Memory Loss
  • Mood Changes
  • Trouble Breathing
  • Weight Loss

RARE side effects


If experienced, these tend to have a Severe expression

  • A Blood Clot In A Retinal Vein
  • A Clot In The Lung
  • A Clot In The Small Veins That Carry Blood To Or From The Retina Of The Eye
  • A Disorder Of The Retina Of The Eye
  • A Heart Attack
  • A Hemorrhage In The Brain
  • A Painful Condition That Affects The Nerves In The Legs And Arms Called Peripheral Neuropathy
  • A Significant Type Of Allergic Reaction Called Anaphylaxis
  • A Skin Disorder With Blistering And Peeling Skin Called Stevens-Johnson Syndrome
  • A Stroke
  • 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 Kidney Inflammation Called Interstitial Nephritis
  • A Type Of Lung Condition Called Bronchiolitis Obliterans
  • Abnormal Heart Rhythm
  • Abnormal Liver Function Tests
  • An Infected Pocket Found Anywhere In The Body Called An Abscess
  • An Infection
  • An Ulcer From Too Much Stomach Acid
  • Anemia
  • Bronchospasm
  • Cholangitis, An Infection Resulting From Gallstones
  • Dehydration
  • Detachment Of The Retina Of The Eye
  • Diabetes
  • Enlarged Fatty Liver
  • Hallucinations
  • Hearing Loss
  • High Blood Pressure
  • High Blood Sugar
  • Hives
  • Inflammation Of The Large Intestine
  • Large Purple Or Brown Skin Blotches
  • Liver Inflammation Resulting From An Abnormal Immune Response
  • Low Blood Counts Due To Bone Marrow Failure
  • Low Blood Sugar
  • Low Platelet Count And Bleeding From Immune Response
  • Macular Edema
  • Manic Behavior
  • Mental Problems From Taking The Drug
  • Optic Disk Edema
  • Overactive Thyroid Gland
  • Pancreatitis
  • Pulmonary Hypertension
  • Pure Red Cell Aplasia
  • Rheumatoid Arthritis
  • Sarcoidosis
  • Seizures
  • Skin Rash With Sloughing
  • Sudden Blindness And Pain Upon Moving The Eye
  • Suicidal Thoughts
  • Supraventricular Arrhythmias, A Type Of Abnormal Heart Rhythm
  • Systemic Lupus Erythematosus, An Autoimmune Disease
  • Thoughts Of Hurting Or Killing Others
  • Thrombotic Thrombocytopenic Purpura, A Type Of Blood Disorder
  • Thyroid Gland Inflammation
  • Ulcerative Colitis, An Inflammatory Condition Of The Intestines
  • Vision Loss
  • X-Ray Results Showing Lung Tissue Changes

If experienced, these tend to have a Less Severe expression

  • A Discolored Tongue
  • Aggressive Behavior
  • Angina, Or Chest Pain Due To Partial Blockage Of Blood Flow In The Heart Arteries
  • Chest Pain
  • Chills
  • Indigestion
  • Muscle Inflammation
  • Psoriasis

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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.