Pegasys Vial Side Effects by Likelihood and Severity

COMMON side effects


If experienced, these tend to have a Severe expression

  • Decreased Neutrophils A Type Of White Blood Cell
  • Depression
  • Fever

If experienced, these tend to have a Less Severe expression

  • Backache
  • Cannot Focus Thoughts
  • Chronic Trouble Sleeping
  • Diarrhea
  • Dizzy
  • Dry Mouth
  • Easily Angered Or Annoyed
  • Feel Like Throwing Up
  • Feeling Anxious
  • Feeling Weak
  • Flu-Like Symptoms
  • Hair Loss
  • Head Pain
  • Inflammation Of Skin Caused By An Allergy
  • Itching
  • Joint Pain
  • Loss Of Appetite
  • Low Energy
  • Muscle Pain
  • Nervous
  • Pain
  • Signs And Symptoms At Injection Site
  • Stomach Cramps
  • Throwing Up

INFREQUENT side effects


If experienced, these tend to have a Severe expression

  • Bacterial Infection Of The Kidney And Renal Pelvis
  • Bone Infection And Inflammation
  • Decreased Blood Platelets
  • Decreased Number Of Lymphocytes In The Blood
  • Heart Valve Infection
  • Hypothyroidism
  • Infection Caused By Bacteria
  • Pneumonia
  • Sepsis Caused By Bacteria

If experienced, these tend to have a Less Severe expression

  • Blurred Vision
  • Cough
  • Dry Skin
  • Eczema
  • Excessive Sweating
  • Loss Of Memory
  • Mood Changes
  • Rash
  • Trouble Breathing
  • Weight Loss

RARE side effects


If experienced, these tend to have a Severe expression

  • Abnormal Heart Rhythm
  • Abnormal Liver Function Tests
  • Abscess
  • Acquired Decrease Of All Cells In The Blood
  • Anemia
  • Behaving With Excessive Cheerfulness And Activity
  • Blood Clot Of A Vein Of The Retina
  • Bronchiolitis Obliterans
  • Bronchospasm
  • Detachment Of The Retina Of The Eye
  • Diabetes
  • Disease Of The Retina Of The Eye
  • Enlarged Fatty Liver
  • Extreme Loss Of Body Water
  • Giant Hives
  • Hallucination
  • Having Thoughts Of Suicide
  • Hearing Loss
  • Heart Attack
  • Hemorrhage In The Brain
  • High Blood Pressure
  • High Blood Sugar
  • Hives
  • Increased Pressure Of Pulmonary Circulation
  • Infection
  • Infection Occurring As A Result Of Having Gallstones
  • Inflammation Of The Large Intestine
  • Interstitial Nephritis
  • Interstitial Pneumonitis
  • Large Purple Or Brown Skin Blotches
  • Life Threatening Allergic Reaction
  • Liver Inflammation Caused By Body's Own Immune Response
  • Low Blood Counts Due To Bone Marrow Failure
  • Low Blood Sugar
  • Low Platelet Count And Bleeding From Immune Response
  • Lung Embolism
  • Macular Edema
  • Overactive Thyroid Gland
  • Pancreatitis
  • Peripheral Neuropathy
  • Poor Vision
  • Pptic Disk Edema
  • Psychosis Caused By A Drug
  • Pure Red Cell Aplasia
  • Retinal Thrombosis
  • Rheumatoid Arthritis
  • Sarcoidosis
  • Seizures
  • Skin Rash With Sloughing
  • Stevens-Johnson Syndrome
  • Stroke
  • Sudden Blindness And Pain Upon Moving The Eye
  • Supraventricular Cardiac Arrhythmia
  • Systemic Lupus Erythematosus
  • Thoughts Of Hurting Or Killing Others
  • Thrombotic Thrombocytopenic Purpura
  • Thyroid Gland Inflammation
  • Ulcer From Stomach Acid
  • Ulcerated Colon
  • X-Ray Results Showing Lung Tissue Changes

If experienced, these tend to have a Less Severe expression

  • Aggressive Behavior
  • Angina
  • Chest Pain
  • Chills
  • Discolored Tongue
  • Indigestion
  • Muscle Inflammation
  • Psoriasis

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, expect 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.