Skip to content
Important: This site presents data from the FDA Adverse Event Reporting System (FAERS). A report does not mean the drug caused the event. Full disclaimer.

CEFTOLOZANE\TAZOBACTAM: 1,098 Adverse Event Reports & Safety Profile

Boost Your Natural Energy & Metabolism

Mitolyn — 6 exotic plants to unlock your body's fat-burning power. 90-day guarantee.

Try Mitolyn Now
1,098
Total FAERS Reports
259 (23.6%)
Deaths Reported
327
Hospitalizations
1,098
As Primary/Secondary Suspect
59
Life-Threatening
22
Disabilities

Active Ingredient: CEFTOLOZANE SULFATE\TAZOBACTAM SODIUM ·

First Report: 2015 · Latest Report: 20250724

What Are the Most Common CEFTOLOZANE\TAZOBACTAM Side Effects?

#1 Most Reported
Off label use
180 reports (16.4%)
#2 Most Reported
Product use in unapproved indication
156 reports (14.2%)
#3 Most Reported
Death
99 reports (9.0%)

All CEFTOLOZANE\TAZOBACTAM Side Effects by Frequency

Side Effect Reports % of Total Deaths Hosp.
Off label use 180 16.4% 28 42
Product use in unapproved indication 156 14.2% 30 33
Death 99 9.0% 99 11
Drug ineffective 94 8.6% 47 42
No adverse event 89 8.1% 0 1
Pathogen resistance 74 6.7% 13 15
Product use issue 71 6.5% 9 12
Drug resistance 53 4.8% 14 24
Pseudomonas infection 36 3.3% 13 22
Multiple organ dysfunction syndrome 34 3.1% 34 14
Septic shock 31 2.8% 22 25
Overdose 30 2.7% 4 11
Agranulocytosis 29 2.6% 0 28
Pneumonia 29 2.6% 19 9
Pancytopenia 27 2.5% 1 25
Sepsis 27 2.5% 23 5
Condition aggravated 26 2.4% 14 13
Thrombocytopenia 26 2.4% 2 12
Acute kidney injury 25 2.3% 2 18
Incorrect dose administered 25 2.3% 5 3

Who Reports CEFTOLOZANE\TAZOBACTAM Side Effects? Age & Gender Data

Gender: 38.2% female, 61.8% male. Average age: 55.9 years. Most reports from: US. View detailed demographics →

Is CEFTOLOZANE\TAZOBACTAM Getting Safer? Reports by Year

YearReportsDeathsHosp.
2015 21 4 4
2016 39 10 16
2017 93 36 43
2018 72 16 34
2019 73 11 38
2020 84 29 33
2021 6 1 3
2022 40 19 7
2023 49 21 12
2024 39 7 12
2025 16 0 4

View full timeline →

What Is CEFTOLOZANE\TAZOBACTAM Used For?

IndicationReports
Pseudomonas infection 205
Pneumonia 139
Pneumonia pseudomonal 101
Sepsis 50
Product used for unknown indication 33
Osteomyelitis bacterial 32
Infection 29
Abdominal infection 28
Cellulitis 27
Osteomyelitis 26

CEFTOLOZANE\TAZOBACTAM vs Alternatives: Which Is Safer?

CEFTOLOZANE\TAZOBACTAM vs CEFTRIAXONE CEFTOLOZANE\TAZOBACTAM vs CEFTRIAXONE\CEFTRIAXONE CEFTOLOZANE\TAZOBACTAM vs CEFUROXIME CEFTOLOZANE\TAZOBACTAM vs CEFUROXIME AXETIL CEFTOLOZANE\TAZOBACTAM vs CELEBREX CEFTOLOZANE\TAZOBACTAM vs CELECOXIB CEFTOLOZANE\TAZOBACTAM vs CELIPROLOL CEFTOLOZANE\TAZOBACTAM vs CELLCEPT CEFTOLOZANE\TAZOBACTAM vs CEMIPLIMAB CEFTOLOZANE\TAZOBACTAM vs CEMIPLIMAB-RWLC

Official FDA Label for CEFTOLOZANE\TAZOBACTAM

Official prescribing information from the FDA-approved drug label.