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This is an index of reports of adverse events (side effects, adverse reactions, etc.) related to Pegasys (Peginterferon Alfa-2A). Click on the relevant link below to view a selection of reports according to the event's seriousness level and/or the nature of the side effect / adverse reaction. Or scroll down to view a sample of recent reports further on this page.
Our database includes reports from Jan 2007 to Dec 2007. The information is not vetted and should not be cosidered as verified clinical evidence.
All cases (763)
Cases resulting in a serious event (762)
Cases resulting in death (42)
Cases resulting in life threatening events (42)
Cases resulting in hospitalization (280)
Cases resulting in disability (33)
Cases resulting in other serious reactions (473)
Below is a sample of reports where side effects / adverse reactions may be related to Pegasys (Peginterferon Alfa-2A). For a complete list and/or a specific selection of reports, please use the links in the index above.
Adverse event in male receiving Pegasys (Peginterferon Alfa-2A)
Reported by a consumer/non-health professional from United States on 2007-10-31
Patient: male
Adverse reactions / side effects: Guillain-Barre Syndrome
Suspect drug(s):
Pegasys (Peginterferon Alfa-2A)
Adverse event in 47 year old female receiving Pegasys (Peginterferon Alfa-2A)
Reported by a consumer/non-health professional from United States on 2007-10-30
Patient: 47 year old female
Adverse reactions / side effects: Concussion, Head Injury, Fall, Convulsion
Adverse event resulted in: hospitalization
Suspect drug(s):
Wellbutrin
Dosage: 450mgd per day
Administration route: Oral
Indication: Drug USE FOR Unknown Indication
Pegasys
Adverse event in receiving Pegasys (Peginterferon Alfa-2A)
Reported by a health professional (non-physician/pharmacist) from United States on 2007-10-30
Patient:
Adverse reactions / side effects: Rash, Delusion
Suspect drug(s):
Pegasys
Start date: 2007-10-04
Ribavirin
Start date: 2007-10-04
Adverse event in 44 year old female receiving Pegasys (Peginterferon Alfa-2A)
Reported by a consumer/non-health professional from United States on 2007-10-30
Patient: 44 year old female
Adverse reactions / side effects: Productive Cough, Weight Decreased, Pyrexia, Hyperhidrosis, Faeces Discoloured, Injection Site Erythema, Muscle Spasms, Back Pain, Blood Urine Present, Anaemia, Eye Inflammation, Nasal Congestion, Injection Site Bruising, Hypoaesthesia, Parosmia, Feeding Disorder, Constipation, Abdominal Pain Upper, Fatigue, Skin Lesion, Dizziness, Pharyngolaryngeal Pain, Injection Site Rash, White Blood Cell Count Decreased, Dyspnoea, Vomiting, Nausea, Panic Attack, Arthralgia, Diarrhoea, Bronchitis, Asthenia, Influenza Like Illness
Adverse event resulted in: hospitalization
Suspect drug(s):
Pegasys
Start date: 2007-05-23
Ribavirin
Start date: 2007-05-23
End date: 2007-06-14
Ribavirin
Start date: 2007-06-14
Other drugs received by patient: Xanax; Atenolol; Imitrex; Excedrin (Migraine); Alka Seltzer; Unspecified Drug; Pepto Bismol; Muscle Relaxant
Adverse event in 61 year old female receiving Pegasys (Peginterferon Alfa-2A)
Reported by a physician from France on 2007-10-26
Patient: 61 year old female
Adverse reactions / side effects: Renal Failure, Anaemia, Neutropenia
Suspect drug(s):
Pegasys
Dosage: form reported: injectable solution
Indication: Hepatitis C
Copegus
Administration route: Oral
Indication: Hepatitis C
Adverse event in 66 year old female receiving Pegasys (Peginterferon Alfa-2A)
Reported by a physician from Japan on 2007-10-26
Patient: 66 year old female
Adverse reactions / side effects: Hepatic Function Abnormal, Metabolic Acidosis, Drug Ineffective, Disseminated Intravascular Coagulation, LIP Haemorrhage, Nephritis, Haematemesis, Renal Failure, Respiratory Failure, Pancreatic Enzymes Increased, White Blood Cell Count Increased
Adverse event resulted in: life threatening event, hospitalization
Suspect drug(s):
Aricept
Dosage: 3 mg, 1 in 1 d, oral, 5 mg, 1 in 1 d, oral
Administration route: Oral
Indication: Dementia Alzheimer's Type
Start date: 2003-06-29
End date: 2003-08-08
Aricept
Dosage: 3 mg, 1 in 1 d, oral, 5 mg, 1 in 1 d, oral
Administration route: Oral
Indication: Dementia Alzheimer's Type
Start date: 2003-08-09
End date: 2005-04-03
Pegasys
Dosage: 90 mcg, 1 in 1 d, subcutaneous
Indication: Hepatitis C
Start date: 2004-04-11
End date: 2005-04-01
Adverse event in 59 year old female receiving Pegasys (Peginterferon Alfa-2A)
Reported by a physician from Japan on 2007-10-26
Patient: 59 year old female
Adverse reactions / side effects: Gingival Bleeding
Suspect drug(s):
Copegus
Dosage: divided into two doses.
Administration route: Oral
Indication: Hepatitis C
Start date: 2007-09-03
End date: 2007-09-28
Pegasys
Indication: Hepatitis C
Start date: 2007-09-03
End date: 2007-10-01
Adverse event in 70 year old male receiving Pegasys (Peginterferon Alfa-2A)
Reported by a physician from Japan on 2007-10-26
Patient: 70 year old male
Adverse reactions / side effects: Lymphoma
Suspect drug(s):
Copegus
Administration route: Oral
Pegasys
Adverse event in 49 year old female receiving Pegasys (Peginterferon Alfa-2A)
Reported by a health professional (non-physician/pharmacist) from United Kingdom on 2007-10-25
Patient: 49 year old female
Adverse reactions / side effects: Hepatitis, Central Pontine Myelinolysis
Adverse event resulted in: life threatening event, hospitalization
Suspect drug(s):
Copegus
Administration route: Oral
Indication: Hepatitis C
Start date: 2007-05-30
End date: 2007-06-08
Pegasys
Indication: Hepatitis C
Start date: 2007-05-30
End date: 2007-06-08
Other drugs received by patient: Olanzapine; Paracetamol; Thiamine; Vitamin B CO
Adverse event in 48 year old male receiving Pegasys (Peginterferon Alfa-2A)
Reported by a health professional (non-physician/pharmacist) from United States on 2007-10-25
Patient: 48 year old male, weighing 67.9 kg (149.4 pounds)
Adverse reactions / side effects: Intentional Overdose, Suicide Attempt, Depression
Adverse event resulted in: hospitalization
Suspect drug(s):
Trazodone Hydrochloride
Dosage: oral
Administration route: Oral
Indication: Bereavement Reaction
Start date: 2007-09-23
End date: 2007-09-23
Pegasys
Dosage: 100 mcg, 1/week, subcutaneous
Indication: Hepatitis C
Start date: 2007-01-25
End date: 2007-09-24
Ribavirin
Dosage: 6 tablets, daily, oral
Administration route: Oral
Indication: Hepatitis C
Start date: 2007-01-25
End date: 2007-09-24
Adverse event in 27 year old male receiving Pegasys (Peginterferon Alfa-2A)
Reported by a consumer/non-health professional from Iran (Islamic Republic OF) on 2007-10-25
Patient: 27 year old male
Adverse reactions / side effects: Eye Pain
Suspect drug(s):
Pegasys (Peginterferon Alfa-2A)
Adverse event in 49 year old female receiving Pegasys (Peginterferon Alfa-2A)
Reported by a consumer/non-health professional from United States on 2007-10-25
Patient: 49 year old female
Adverse reactions / side effects: Weight Decreased, Hypersensitivity, Contusion, Headache, Fatigue, Blood Sodium Increased, Cough, Antibody Test Positive, White Blood Cell Count Decreased, Retching, Anaemia, Injection Site Bruising, Rhinitis Allergic, Blood Disorder, Platelet Count Decreased, Asthenia
Adverse event resulted in: hospitalization
Suspect drug(s):
Pegasys
Start date: 2006-12-13
End date: 2007-02-05
Pegasys
Start date: 2007-03-14
End date: 2007-03-29
Pegasys
Start date: 2007-04-11
End date: 2007-06-27
Pegasys
Start date: 2007-06-27
Copegus
Start date: 2006-12-13
End date: 2007-02-05
Copegus
Start date: 2007-03-14
End date: 2007-03-29
Copegus
Start date: 2007-04-11
End date: 2007-05-01
Adverse event in 48 year old male receiving Pegasys (Peginterferon Alfa-2A)
Reported by a consumer/non-health professional from United States on 2007-10-25
Patient: 48 year old male
Adverse reactions / side effects: White Blood Cell Count Decreased, Blood Urine Present, Vomiting, Urinary Tract Obstruction, RED Blood Cell Count Decreased, Diarrhoea, Dysuria, Dehydration, Insomnia, Platelet Count Decreased, Depression, Treatment Failure, Feeling Abnormal, Muscle Spasms, Hypersomnia
Suspect drug(s):
Pegasys
Indication: Hepatitis C
End date: 2007-10-05
Pegasys
Start date: 2006-12-01
End date: 2007-07-01
Pegasys
Dosage: strength reported as 180 mcg/0.5cc.
Start date: 2006-03-14
End date: 2006-09-11
Copegus
Administration route: Oral
Indication: Hepatitis C
Start date: 2006-03-14
Wellbutrin
Administration route: Oral
Indication: Depression
Start date: 2006-01-01
Wellbutrin
Administration route: Oral
Ribavirin
End date: 2007-10-05
Other drugs received by patient: Klonopin; Lexapro; Oxycontin; Atenolol; Xanax; Protonix
Adverse event in 58 year old male receiving Pegasys (Peginterferon Alfa-2A)
Reported by a physician from Japan on 2007-10-24
Patient: 58 year old male
Adverse reactions / side effects: Dementia
Suspect drug(s):
Copegus
Dosage: 1200 mg divided into 2 doses.
Administration route: Oral
Start date: 2007-08-16
End date: 2007-08-30
Pegasys
Start date: 2007-08-16
End date: 2007-08-30
Adverse event in male receiving Pegasys (Peginterferon Alfa-2A)
Reported by a consumer/non-health professional from United States on 2007-10-24
Patient: male
Adverse reactions / side effects: Guillain-Barre Syndrome
Suspect drug(s):
Pegasys (Peginterferon Alfa-2A)
Adverse event in receiving Pegasys (Peginterferon Alfa-2A)
Reported by a physician from Japan on 2007-10-23
Patient:
Adverse reactions / side effects: Hepatic Encephalopathy
Suspect drug(s):
Pegasys (Peginterferon Alfa-2A)
Adverse event in 59 year old male receiving Pegasys (Peginterferon Alfa-2A)
Reported by a consumer/non-health professional from United States on 2007-10-23
Patient: 59 year old male
Adverse reactions / side effects: White Blood Cell Count Decreased, Anaemia, Neutrophil Count Decreased, Decreased Appetite
Suspect drug(s):
Ribavirin
Dosage: 1200mg daily - po : 1000mg daily - po
Administration route: Oral
Indication: Hepatitis C
Start date: 2007-06-05
End date: 2007-07-10
Ribavirin
Dosage: 1200mg daily - po : 1000mg daily - po
Administration route: Oral
Indication: Hepatitis C
Start date: 2007-08-05
Pegasys
Dosage: sq ; 180mcg daily - sq
Indication: Hepatitis C
Start date: 2007-06-05
End date: 2007-07-10
Pegasys
Dosage: sq ; 180mcg daily - sq
Indication: Hepatitis C
Start date: 2007-08-05
Adverse event in 53 year old female receiving Pegasys (Peginterferon Alfa-2A)
Reported by a physician from Japan on 2007-10-23
Patient: 53 year old female
Adverse reactions / side effects: Gingival Bleeding
Suspect drug(s):
Copegus
Dosage: divided into two doses.
Administration route: Oral
Indication: Hepatitis C
Start date: 2007-09-03
End date: 2007-09-28
Pegasys
Indication: Hepatitis C
Start date: 2007-09-03
End date: 2007-10-01
Adverse event in 47 year old male receiving Pegasys (Peginterferon Alfa-2A)
Reported by a consumer/non-health professional from United States on 2007-10-22
Patient: 47 year old male
Adverse reactions / side effects: Back Pain, Chills, Pain, Perivascular Dermatitis, Musculoskeletal Chest Pain, Rash, Stress, Convulsion, Hostility, Foot Fracture, Malaise, Anger, Gastroptosis, Cough
Suspect drug(s):
Pegasys
Dosage: patient reported on 180 mcg per week. no dosing information provided.
Start date: 2007-05-01
Copegus
Start date: 2007-05-01
Other drugs received by patient: Morphine Sulfate; Valproic Acid; Diazepam; Topamax; Unspecified Drug; Unspecified Drug; Methadone HCL
Adverse event in 47 year old female receiving Pegasys (Peginterferon Alfa-2A)
Reported by a consumer/non-health professional from United States on 2007-10-19
Patient: 47 year old female
Adverse reactions / side effects: Weight Decreased, Subcutaneous Abscess, Pain in Extremity, Pain, Drug Hypersensitivity, Ear Infection, Hyperhidrosis, Weight Increased, Fatigue, Laboratory Test Abnormal, Diarrhoea, Anorexia, Asthenia
Adverse event resulted in: hospitalization
Suspect drug(s):
Asmanex Twisthaler
Dosage: po
Administration route: Oral
Indication: Asthma
Start date: 2007-01-22
End date: 2007-02-26
Ribavirin
Dosage: 6 df, qd, 6 df;qd
Indication: Hepatitis C
Start date: 2006-12-15
End date: 2007-02-28
Ribavirin
Dosage: 6 df, qd, 6 df;qd
Indication: Hepatitis C
Start date: 2007-03-07
End date: 2007-09-28
Pegasys
Indication: Hepatitis C
Start date: 2006-12-15
End date: 2007-02-28
Pegasys
Indication: Hepatitis C
Start date: 2007-03-07
End date: 2007-09-28
Adverse event in 51 year old female receiving Pegasys (Peginterferon Alfa-2A)
Reported by a consumer/non-health professional from United States on 2007-10-19
Patient: 51 year old female
Adverse reactions / side effects: Peripheral Coldness, Weight Decreased, Diabetes Mellitus, Headache, Constipation, Hyperhidrosis, Hypokalaemia, Fatigue, Neck Pain, Poor Peripheral Circulation, Respiratory Tract Infection Viral, Depression, Melaena, White Blood Cell Count Decreased, Neuropathy, Migraine, Dyspnoea, Vomiting, Sensation of Heaviness, Anaemia, Hypotension, Arthralgia, Diarrhoea, Anorexia, Insomnia, Dehydration, Platelet Count Decreased, Asthenia
Adverse event resulted in: hospitalization
Suspect drug(s):
Pegasys
Start date: 2006-11-21
Ribasphere
Start date: 2006-11-21
Adverse event in 47 year old male receiving Pegasys (Peginterferon Alfa-2A)
Reported by a physician from United States on 2007-10-19
Patient: 47 year old male, weighing 121.1 kg (266.4 pounds)
Adverse reactions / side effects: Abdominal Pain, Weight Decreased, Muscle Atrophy, Pruritus, Extrasystoles, Headache, Malaise, Impaired Self-Care, Post-Traumatic Pain, Psychiatric Symptom, Cold Sweat, Cough, Back Pain, Anaemia, Ulcer, Insomnia, Dehydration, Frustration, Confusional State, Injection Site Vesicles, Bone Pain, Myalgia, Fatigue, Dyspnoea Exertional, Depression, Decreased Appetite, Vomiting, Nausea, Rash Macular, Arthralgia, Diarrhoea, Asthenia, Influenza Like Illness
Suspect drug(s):
Pegasys
Indication: Hepatitis C
Start date: 2006-12-07
Copegus
Administration route: Oral
Indication: Hepatitis C
Start date: 2006-12-07
Adverse event in 47 year old female receiving Pegasys (Peginterferon Alfa-2A)
Reported by a consumer/non-health professional from United States on 2007-10-19
Patient: 47 year old female
Adverse reactions / side effects: Concussion, Fall, Convulsion
Adverse event resulted in: hospitalization
Suspect drug(s):
Pegasys
Dosage: missed one dose on 05 october 2007
Start date: 2007-02-23
Ribavirin
Start date: 2007-02-23
Wellbutrin
Indication: Drug USE FOR Unknown Indication
End date: 2007-09-14
Wellbutrin
Start date: 2007-09-14
Adverse event in female receiving Pegasys (Peginterferon Alfa-2A)
Reported by a consumer/non-health professional from United States on 2007-10-19
Patient: female
Adverse reactions / side effects: Peripheral Coldness, Weight Decreased, Headache, Hyperhidrosis, Faeces Discoloured, Fatigue, Neck Pain, Poor Peripheral Circulation, Respiratory Tract Infection Viral, Pharyngolaryngeal Pain, Depression, White Blood Cell Count Decreased, Neuropathy, Migraine, Vomiting, Dyspnoea, Nausea, Ear Disorder, Anaemia, Sensation of Heaviness, Nasal Congestion, Glucose Tolerance Impaired, Arthralgia, Diarrhoea, Insomnia, Anorexia
Adverse event resulted in: disablity
Suspect drug(s):
Ribasphere
Dosage: (1200 mg qd oral)
Administration route: Oral
Indication: Hepatitis C
Start date: 2006-11-21
Pegasys
Dosage: (df subcutaneous)
Indication: Hepatitis C
Start date: 2006-11-21
Adverse event in male receiving Pegasys (Peginterferon Alfa-2A)
Reported by a physician from United States on 2007-10-19
Patient: male
Adverse reactions / side effects: Death, Encephalopathy
Adverse event resulted in: death, hospitalization
Suspect drug(s):
Pegasys (Peginterferon Alfa-2A)
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