VORICONAZOLE

85/100 · Critical

Manufactured by Roerig

Voriconazole Adverse Events: High Seriousness and Diverse Reactions

52,026 FDA adverse event reports analyzed

Last updated: 2026-05-12

About VORICONAZOLE

VORICONAZOLE is a medication tracked in the FDA Adverse Event Reporting System (FAERS), manufactured by Roerig. Based on analysis of 52,026 FDA adverse event reports, VORICONAZOLE has a safety score of 85 out of 100. This score indicates a relatively favorable safety profile, with fewer or less severe adverse events compared to many other tracked medications. The most commonly reported adverse reactions for VORICONAZOLE include DRUG INEFFECTIVE, OFF LABEL USE, DRUG INTERACTION, DEATH, PYREXIA. This page provides a comprehensive breakdown of reported side effects, safety signals, patient demographics, and AI-powered safety analysis for VORICONAZOLE.

AI Safety Analysis

Voriconazole has a safety concern score of 85 out of 100, placing it in the high concern category based on analysis of FDA adverse event data. The FDA has received approximately 52,026 adverse event reports for this medication, which is primarily manufactured by Roerig.

The most commonly reported adverse events include Drug Ineffective, Off Label Use, Drug Interaction. Of classified reports, 92.1% were designated as serious by the FDA, meaning they involved hospitalization, disability, or other significant medical outcomes. Voriconazole reports show a high percentage of serious adverse events, particularly respiratory and infectious complications.

The drug is associated with a wide range of reactions, indicating potential for diverse side effects. Neutropenia and sepsis are among the most frequently reported serious conditions.

Patients taking Voriconazole should monitor for the commonly reported side effects and contact their healthcare provider if they experience any unusual symptoms. Voriconazole can cause drug interactions and increased drug levels, leading to potential toxicity. It is important to monitor drug levels and avoid concomitant use with other immunosuppressants. This analysis is based on voluntary FDA adverse event reports and should not replace professional medical advice.

Safety Score: 85/100

Voriconazole received a safety concern score of 85/100 (high concern). This is based on a 92.1% serious event ratio across 29,377 classified reports. The score accounts for 52,026 total adverse event reports and 100 distinct reaction types. This high score reflects a significant proportion of serious adverse events in the reporting data.

Top Adverse Reactions

DRUG INEFFECTIVE4,098 reports
OFF LABEL USE2,341 reports
DRUG INTERACTION2,315 reports
DEATH1,460 reports
PYREXIA1,410 reports
PNEUMONIA1,320 reports
CONDITION AGGRAVATED1,093 reports
BRONCHOPULMONARY ASPERGILLOSIS1,028 reports
FEBRILE NEUTROPENIA888 reports
ASPERGILLUS INFECTION873 reports
RESPIRATORY FAILURE836 reports
DIARRHOEA758 reports
NAUSEA752 reports
DYSPNOEA725 reports
PRODUCT USE IN UNAPPROVED INDICATION717 reports
NEUTROPENIA707 reports
SEPSIS693 reports
SEPTIC SHOCK674 reports
HALLUCINATION671 reports
MULTIPLE ORGAN DYSFUNCTION SYNDROME648 reports
ACUTE KIDNEY INJURY626 reports
PHOTOSENSITIVITY REACTION615 reports
DRUG LEVEL INCREASED589 reports
DRUG RESISTANCE569 reports
VOMITING567 reports
FUNGAL INFECTION544 reports
PANCYTOPENIA543 reports
ANAEMIA520 reports
RENAL FAILURE519 reports
DISEASE PROGRESSION509 reports
PLATELET COUNT DECREASED505 reports
VISUAL IMPAIRMENT481 reports
RASH480 reports
INFECTION474 reports
HALLUCINATION, VISUAL473 reports
HYPOTENSION473 reports
THROMBOCYTOPENIA467 reports
FATIGUE463 reports
RENAL IMPAIRMENT452 reports
CONFUSIONAL STATE450 reports
TREATMENT FAILURE443 reports
HEADACHE416 reports
HEPATIC FUNCTION ABNORMAL414 reports
HEPATOTOXICITY413 reports
COUGH411 reports
ASTHENIA410 reports
TOXICITY TO VARIOUS AGENTS402 reports
PRODUCT USE ISSUE371 reports
DRUG INEFFECTIVE FOR UNAPPROVED INDICATION364 reports
HYPOKALAEMIA359 reports
MUCORMYCOSIS354 reports
CHOLESTASIS351 reports
PLEURAL EFFUSION350 reports
ALANINE AMINOTRANSFERASE INCREASED349 reports
MALAISE348 reports
ACUTE MYELOID LEUKAEMIA339 reports
DECREASED APPETITE337 reports
WHITE BLOOD CELL COUNT DECREASED337 reports
VISION BLURRED331 reports
SQUAMOUS CELL CARCINOMA OF SKIN329 reports
BLOOD CREATININE INCREASED323 reports
ASPARTATE AMINOTRANSFERASE INCREASED321 reports
DIZZINESS316 reports
DELIRIUM306 reports
GRAFT VERSUS HOST DISEASE294 reports
ACTINIC KERATOSIS293 reports
WEIGHT DECREASED293 reports
ABDOMINAL PAIN288 reports
ERYTHEMA288 reports
HYPOXIA279 reports
DRUG INDUCED LIVER INJURY274 reports
PNEUMONIA FUNGAL274 reports
ELECTROCARDIOGRAM QT PROLONGED269 reports
NEUTROPHIL COUNT DECREASED267 reports
GENERAL PHYSICAL HEALTH DETERIORATION266 reports
PAIN265 reports
NEUROTOXICITY260 reports
BLOOD BILIRUBIN INCREASED253 reports
BLOOD ALKALINE PHOSPHATASE INCREASED247 reports
FALL245 reports
NEUROPATHY PERIPHERAL244 reports
PATHOGEN RESISTANCE240 reports
HAEMOGLOBIN DECREASED239 reports
CONSTIPATION238 reports
LIVER DISORDER238 reports
DRUG LEVEL DECREASED237 reports
OEDEMA PERIPHERAL236 reports
INSOMNIA234 reports
HEPATIC ENZYME INCREASED233 reports
RENAL FAILURE ACUTE233 reports
ARTHRALGIA230 reports
HAEMOPTYSIS230 reports
PERIOSTITIS229 reports
GAMMA GLUTAMYLTRANSFERASE INCREASED228 reports
LEUKOPENIA228 reports
CYTOMEGALOVIRUS INFECTION227 reports
LIVER FUNCTION TEST ABNORMAL227 reports
MULTI ORGAN FAILURE227 reports
TREMOR227 reports
CARDIAC FAILURE226 reports

Key Safety Signals

  • High number of reports of death and severe infections like pneumonia and sepsis.
  • Multiple organ dysfunction syndrome and acute kidney injury are key safety signals.
  • Drug interactions and increased drug levels are also significant safety concerns.

Patient Demographics

Adverse event reports by sex: Male: 15,916, Female: 10,218, Unknown: 144. The most frequently reported age groups are age 68 (594 reports), age 65 (590 reports), age 66 (575 reports). These demographics reflect reporting patterns and may not represent the full patient population.

Report Outcomes

Out of 29,377 classified reports for VORICONAZOLE:

  • Serious: 27,068 reports (92.1%) — includes hospitalization, disability, life-threatening events, or death
  • Non-Serious: 2,309 reports (7.9%)
Serious 92.1%Non-Serious 7.9%

The FDA classifies an adverse event as “serious” if it results in death, hospitalization, disability, congenital anomaly, or requires intervention to prevent permanent damage.

Demographics Breakdown

Reports by Sex

Male15,916 (60.6%)
Female10,218 (38.9%)
Unknown144 (0.5%)

Reports by Age

Age 68594 reports
Age 65590 reports
Age 66575 reports
Age 69571 reports
Age 67561 reports
Age 70548 reports
Age 58538 reports
Age 71516 reports
Age 63509 reports
Age 61491 reports
Age 56486 reports
Age 60475 reports
Age 59471 reports
Age 64468 reports
Age 72453 reports
Age 55450 reports
Age 62398 reports
Age 57394 reports
Age 73382 reports
Age 53371 reports

Demographics reflect voluntary FDA adverse event reporting patterns and may not represent the full patient population.

Drug Interactions & Warnings

Voriconazole can cause drug interactions and increased drug levels, leading to potential toxicity. It is important to monitor drug levels and avoid concomitant use with other immunosuppressants.

What You Should Know

If you are taking Voriconazole, here are important things to know. The most commonly reported side effects include drug ineffective, off label use, drug interaction, death, pyrexia. While many of these may be mild and temporary, you should contact your healthcare provider if any symptoms are severe or persistent. Monitor patients for signs of severe infections, respiratory failure, and organ dysfunction. Regularly check blood counts and liver function tests. If you experience a serious adverse reaction, seek emergency medical attention immediately or call 911. You can report side effects to the FDA's MedWatch program at 1-800-FDA-1088.

Regulatory Context

The FDA continues to monitor voriconazole for safety, particularly for serious infections and organ dysfunction. Healthcare providers should be vigilant and report any adverse events.

Frequently Asked Questions

How many adverse event reports has the FDA received for Voriconazole?

The FDA has received approximately 52,026 adverse event reports associated with Voriconazole. These reports come from healthcare professionals, consumers, and manufacturers through the FDA Adverse Event Reporting System (FAERS). Note that the number of reports does not directly indicate the frequency of side effects, as adverse events are voluntarily reported and may be underrepresented.

What are the most commonly reported side effects of Voriconazole?

The most frequently reported adverse events for Voriconazole include Drug Ineffective, Off Label Use, Drug Interaction, Death, Pyrexia. By volume, the top reported reactions are: Drug Ineffective (4,098 reports), Off Label Use (2,341 reports), Drug Interaction (2,315 reports). These figures reflect FDA adverse event reports and may not represent the true incidence rate of these side effects in all patients taking Voriconazole.

What percentage of Voriconazole adverse event reports are serious?

Out of 29,377 classified reports, 27,068 (92.1%) were classified as serious and 2,309 as non-serious. The FDA classifies an event as "serious" if it results in death, hospitalization, disability, or other medically significant outcomes. A higher serious-event ratio warrants closer attention but does not necessarily mean the drug is unsafe.

Who reports adverse events for Voriconazole (by sex)?

Adverse event reports for Voriconazole break down by patient sex as follows: Male: 15,916, Female: 10,218, Unknown: 144. This distribution reflects reporting patterns rather than actual risk differences between groups. Reporting rates can be influenced by prescribing patterns, disease demographics, and reporting behavior.

What age groups report the most side effects for Voriconazole?

The most frequently reported age groups for Voriconazole adverse events are: age 68: 594 reports, age 65: 590 reports, age 66: 575 reports, age 69: 571 reports, age 67: 561 reports. Age-related reporting patterns can reflect both the demographics of the patient population and potential age-related susceptibility to certain side effects.

Who manufactures Voriconazole?

The primary manufacturer associated with Voriconazole adverse event reports is Roerig. Multiple manufacturers may produce generic versions of this drug. The manufacturer listed reflects the most frequently reported brand in FDA adverse event data.

What other side effects have been reported for Voriconazole?

Beyond the most common reactions, other reported adverse events for Voriconazole include: Pneumonia, Condition Aggravated, Bronchopulmonary Aspergillosis, Febrile Neutropenia, Aspergillus Infection. Less common side effects can still be clinically significant. Patients should report any unusual symptoms to their healthcare provider.

How do I report a side effect from Voriconazole?

You can report adverse events from Voriconazole to the FDA through their MedWatch program at www.fda.gov/medwatch, by calling 1-800-FDA-1088, or by completing Form FDA 3500. Healthcare professionals, consumers, and manufacturers can all submit reports. Reporting helps the FDA monitor drug safety after approval.

What is Voriconazole's safety score and what does it mean?

Voriconazole has a safety concern score of 85 out of 100 (high concern). This score is calculated from the ratio of serious to non-serious adverse events, the diversity of reported reactions, and the overall volume of reports relative to usage. Voriconazole reports show a high percentage of serious adverse events, particularly respiratory and infectious complications.

What are the key safety signals for Voriconazole?

Key safety signals identified in Voriconazole's adverse event data include: High number of reports of death and severe infections like pneumonia and sepsis.. Multiple organ dysfunction syndrome and acute kidney injury are key safety signals.. Drug interactions and increased drug levels are also significant safety concerns.. These signals are derived from patterns in FDA reports and should be discussed with a healthcare provider for personalized assessment.

Does Voriconazole interact with other drugs?

Voriconazole can cause drug interactions and increased drug levels, leading to potential toxicity. It is important to monitor drug levels and avoid concomitant use with other immunosuppressants. Always inform your healthcare provider about all medications, supplements, and over-the-counter drugs you are taking before starting Voriconazole.

What should patients know before taking Voriconazole?

Monitor patients for signs of severe infections, respiratory failure, and organ dysfunction. Regularly check blood counts and liver function tests.

Are Voriconazole side effects well-documented?

Voriconazole has 52,026 adverse event reports on file with the FDA. The drug is associated with a wide range of reactions, indicating potential for diverse side effects. The volume of reports for Voriconazole reflects both the drug's usage level and the vigilance of the reporting community.

What is the FDA's position on Voriconazole?

The FDA continues to monitor voriconazole for safety, particularly for serious infections and organ dysfunction. Healthcare providers should be vigilant and report any adverse events. For the most current regulatory information, check the FDA's drug labeling database or consult your pharmacist.

Related Drugs

Drugs related to VORICONAZOLE based on therapeutic use, drug class, or shared indications:

Amphotericin BCyclosporineRifampin
Important Disclaimer: This content is generated by AI analysis of FDA adverse event reports and is provided for informational purposes only. It is not medical advice. Adverse event reports submitted to the FDA do not prove that a medication caused the reported side effect. Always consult your healthcare provider before starting, stopping, or changing any medication. If you experience a serious side effect, contact your doctor or call 911 immediately.