Valacyclovir

Common brands: Valacyclovir Hydrochloride, Valtrex, Ozurdex, Hemady, Maxidex

Top reporter: Mylan Pharmaceuticals Inc.

Corticosteroid [EPC]Nonsteroidal Anti-inflammatory Drug [EPC]Thalidomide Analog [EPC]Proton Pump Inhibitor [EPC]Dihydrofolate Reductase Inhibitor Antibacterial [EPC]
40,232
Total Reports
24,421
Serious Reports
3,616
Death Reports
30
Reported Reactions
Death Report Ratio: High (8.99%)

Patient Demographics

Male
15,831
Female
20,236

Reported Adverse Reactions (30)

Side effects reported in FDA adverse event reports for Valacyclovir.

# Reaction Reports % of Total
1 OFF LABEL USE 2,619
7.1%
2 FATIGUE 2,366
6.4%
3 DIARRHOEA 2,161
5.8%
4 DRUG INEFFECTIVE 1,949
5.3%
5 NAUSEA 1,899
5.1%
6 FEBRILE NEUTROPENIA 1,592
4.3%
7 PYREXIA 1,534
4.1%
8 PNEUMONIA 1,491
4.0%
9 HEADACHE 1,415
3.8%
10 PAIN 1,329
3.6%
11 RASH 1,272
3.4%
12 NEUTROPENIA 1,181
3.2%
13 ACUTE KIDNEY INJURY 1,139
3.1%
14 ASTHENIA 1,099
3.0%
15 DYSPNOEA 1,097
3.0%
16 DEATH 1,085
2.9%
17 COVID-19 1,021
2.8%
18 DIZZINESS 1,006
2.7%
19 VOMITING 951
2.6%
20 ARTHRALGIA 914
2.5%
21 THROMBOCYTOPENIA 844
2.3%
22 CYTOKINE RELEASE SYNDROME 839
2.3%
23 PRODUCT DOSE OMISSION ISSUE 831
2.2%
24 COUGH 810
2.2%
25 CONSTIPATION 800
2.2%
26 CONDITION AGGRAVATED 795
2.1%
27 FALL 761
2.1%
28 ANAEMIA 753
2.0%
29 PRURITUS 752
2.0%
30 HERPES ZOSTER 750
2.0%

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.