Peginterferon Beta-1a

Common brands: Plegridy, Plegridy Pen, Ampyra, Vitamin D, Avonex

Top reporter: Biogen Inc.

Interferon beta [EPC]Nonsteroidal Anti-inflammatory Drug [EPC]Potassium Channel Blocker [EPC]Provitamin D2 Compound [EPC]gamma-Aminobutyric Acid-ergic Agonist [EPC]
12,956
Total Reports
3,135
Serious Reports
329
Death Reports
30
Reported Reactions
Death Report Ratio: Moderate (2.54%)

Patient Demographics

Male
2,331
Female
10,347

Reported Adverse Reactions (30)

Side effects reported in FDA adverse event reports for Peginterferon Beta-1a.

# Reaction Reports % of Total
1 INFLUENZA LIKE ILLNESS 1,459
10.0%
2 INJECTION SITE ERYTHEMA 1,058
7.3%
3 MULTIPLE SCLEROSIS RELAPSE 969
6.7%
4 FATIGUE 710
4.9%
5 HEADACHE 612
4.2%
6 PAIN 603
4.1%
7 INJECTION SITE REACTION 578
4.0%
8 DEVICE MALFUNCTION 571
3.9%
9 MULTIPLE SCLEROSIS 558
3.8%
10 PYREXIA 518
3.6%
11 MEMORY IMPAIRMENT 470
3.2%
12 MALAISE 463
3.2%
13 DRUG DELIVERY SYSTEM MALFUNCTION 454
3.1%
14 INJECTION SITE PAIN 444
3.1%
15 FALL 435
3.0%
16 DRUG DOSE OMISSION 398
2.7%
17 DRUG INEFFECTIVE 389
2.7%
18 GAIT DISTURBANCE 387
2.7%
19 NAUSEA 350
2.4%
20 INJECTION SITE BRUISING 348
2.4%
21 ASTHENIA 334
2.3%
22 CHILLS 330
2.3%
23 MATERNAL EXPOSURE DURING PREGNANCY 308
2.1%
24 DIZZINESS 302
2.1%
25 INJECTION SITE PRURITUS 270
1.9%
26 INJECTION SITE HAEMORRHAGE 265
1.8%
27 DEPRESSION 252
1.7%
28 PAIN IN EXTREMITY 247
1.7%
29 MUSCULAR WEAKNESS 230
1.6%
30 FEELING ABNORMAL 229
1.6%

Important Disclaimer

FDA adverse event reports are submitted voluntarily and do not prove causation. A reported reaction does not mean the drug caused it. Drugs with more users naturally have more reports. Always consult your doctor or pharmacist before making medication decisions.