PACLITAXEL

85/100 · Critical

Manufactured by Abraxis BioScience, LLC

PACLITAXEL Adverse Events: High Seriousness and Diverse Reactions

164,816 FDA adverse event reports analyzed

Last updated: 2026-05-12

About PACLITAXEL

PACLITAXEL is a medication tracked in the FDA Adverse Event Reporting System (FAERS), manufactured by Abraxis BioScience, LLC. Based on analysis of 164,816 FDA adverse event reports, PACLITAXEL 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 PACLITAXEL include NAUSEA, NEUTROPENIA, DIARRHOEA, DYSPNOEA, OFF LABEL USE. This page provides a comprehensive breakdown of reported side effects, safety signals, patient demographics, and AI-powered safety analysis for PACLITAXEL.

AI Safety Analysis

Paclitaxel 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 164,816 adverse event reports for this medication, which is primarily manufactured by Abraxis Bioscience, Llc.

The most commonly reported adverse events include Nausea, Neutropenia, Diarrhoea. Of classified reports, 96.2% were designated as serious by the FDA, meaning they involved hospitalization, disability, or other significant medical outcomes. PACLITAXEL is associated with a high incidence of serious adverse events, including death and malignancy progression.

The drug shows a wide range of reactions, indicating potential for diverse side effects. Neutropenia and anemia are among the most frequently reported conditions, highlighting the need for close monitoring.

Patients taking Paclitaxel should monitor for the commonly reported side effects and contact their healthcare provider if they experience any unusual symptoms. PACLITAXEL can cause severe drug interactions, including myelosuppression and thrombocytopenia, and should be used with caution in patients with pre-existing hematological conditions. This analysis is based on voluntary FDA adverse event reports and should not replace professional medical advice.

Safety Score: 85/100

Paclitaxel received a safety concern score of 85/100 (high concern). This is based on a 96.2% serious event ratio across 93,336 classified reports. The score accounts for 164,816 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

NAUSEA5,310 reports
NEUTROPENIA5,214 reports
DIARRHOEA4,967 reports
DYSPNOEA4,925 reports
OFF LABEL USE4,843 reports
ANAEMIA4,616 reports
DEATH4,365 reports
FATIGUE4,051 reports
MALIGNANT NEOPLASM PROGRESSION3,994 reports
PYREXIA3,756 reports
NEUROPATHY PERIPHERAL3,717 reports
DISEASE PROGRESSION3,705 reports
VOMITING3,687 reports
FEBRILE NEUTROPENIA3,577 reports
MYELOSUPPRESSION3,046 reports
THROMBOCYTOPENIA2,916 reports
ASTHENIA2,824 reports
DRUG INEFFECTIVE2,586 reports
RASH2,349 reports
DECREASED APPETITE2,261 reports
PNEUMONIA2,128 reports
ERYTHEMA2,050 reports
ABDOMINAL PAIN1,942 reports
NEUTROPHIL COUNT DECREASED1,932 reports
HYPERTENSION1,903 reports
LEUKOPENIA1,898 reports
ALOPECIA1,816 reports
WHITE BLOOD CELL COUNT DECREASED1,771 reports
GENERAL PHYSICAL HEALTH DETERIORATION1,712 reports
BACK PAIN1,657 reports
INTERSTITIAL LUNG DISEASE1,629 reports
HYPOTENSION1,564 reports
MALAISE1,562 reports
PLATELET COUNT DECREASED1,556 reports
FLUSHING1,522 reports
CONSTIPATION1,493 reports
SEPSIS1,481 reports
DEHYDRATION1,440 reports
HYPERSENSITIVITY1,429 reports
COUGH1,405 reports
PAIN1,351 reports
PNEUMONITIS1,291 reports
ACUTE KIDNEY INJURY1,281 reports
PRODUCT USE IN UNAPPROVED INDICATION1,263 reports
INFUSION RELATED REACTION1,238 reports
CHEST DISCOMFORT1,208 reports
DIZZINESS1,186 reports
ARTHRALGIA1,181 reports
NEOPLASM PROGRESSION1,167 reports
MUCOSAL INFLAMMATION1,156 reports
METASTASES TO LIVER1,129 reports
PULMONARY EMBOLISM1,125 reports
PANCYTOPENIA1,124 reports
PLEURAL EFFUSION1,122 reports
PRURITUS1,102 reports
CHEST PAIN1,089 reports
HEADACHE1,049 reports
METASTASES TO BONE1,016 reports
WEIGHT DECREASED996 reports
PARAESTHESIA993 reports
EPISTAXIS988 reports
HYPOKALAEMIA947 reports
STOMATITIS947 reports
INFECTION920 reports
TACHYCARDIA920 reports
URINARY TRACT INFECTION907 reports
ALANINE AMINOTRANSFERASE INCREASED895 reports
OEDEMA PERIPHERAL858 reports
RESPIRATORY FAILURE840 reports
HYPONATRAEMIA835 reports
MYALGIA835 reports
OXYGEN SATURATION DECREASED833 reports
HEPATIC FUNCTION ABNORMAL825 reports
HAEMOGLOBIN DECREASED817 reports
PALMAR PLANTAR ERYTHRODYSAESTHESIA SYNDROME796 reports
ASPARTATE AMINOTRANSFERASE INCREASED795 reports
NEUROTOXICITY788 reports
CARDIAC FAILURE785 reports
POLYNEUROPATHY782 reports
CONDITION AGGRAVATED777 reports
THERAPY PARTIAL RESPONDER765 reports
BREAST CANCER METASTATIC762 reports
ASCITES758 reports
PAIN IN EXTREMITY755 reports
HYPOXIA753 reports
COLITIS739 reports
HYPOAESTHESIA730 reports
ANAPHYLACTIC REACTION723 reports
SEPTIC SHOCK717 reports
METASTASES TO LUNG704 reports
CHILLS700 reports
METASTASES TO CENTRAL NERVOUS SYSTEM698 reports
BONE MARROW FAILURE667 reports
LOSS OF CONSCIOUSNESS666 reports
HYPOTHYROIDISM664 reports
HYPERHIDROSIS660 reports
PERIPHERAL SENSORY NEUROPATHY660 reports
BREAST CANCER651 reports
TOXICITY TO VARIOUS AGENTS647 reports
ABDOMINAL PAIN UPPER641 reports

Key Safety Signals

  • Neutropenia and anemia are key safety signals, with high counts and serious outcomes.
  • Death is a significant safety concern, with a high number of reports.
  • Malignancy progression and disease progression also pose serious risks.

Patient Demographics

Adverse event reports by sex: Female: 57,140, Male: 23,880, Unknown: 357. The most frequently reported age groups are age 65 (2,251 reports), age 70 (2,193 reports), age 66 (2,155 reports). These demographics reflect reporting patterns and may not represent the full patient population.

Report Outcomes

Out of 93,336 classified reports for PACLITAXEL:

  • Serious: 89,823 reports (96.2%) — includes hospitalization, disability, life-threatening events, or death
  • Non-Serious: 3,513 reports (3.8%)
Serious 96.2%Non-Serious 3.8%

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

Female57,140 (70.2%)
Male23,880 (29.3%)
Unknown357 (0.4%)

Reports by Age

Age 652,251 reports
Age 702,193 reports
Age 662,155 reports
Age 602,127 reports
Age 682,110 reports
Age 672,061 reports
Age 692,046 reports
Age 622,019 reports
Age 641,985 reports
Age 631,983 reports
Age 611,972 reports
Age 591,949 reports
Age 721,912 reports
Age 711,851 reports
Age 571,803 reports
Age 731,796 reports
Age 561,728 reports
Age 581,727 reports
Age 551,664 reports
Age 751,607 reports

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

Drug Interactions & Warnings

PACLITAXEL can cause severe drug interactions, including myelosuppression and thrombocytopenia, and should be used with caution in patients with pre-existing hematological conditions.

What You Should Know

If you are taking Paclitaxel, here are important things to know. The most commonly reported side effects include nausea, neutropenia, diarrhoea, dyspnoea, off label use. While many of these may be mild and temporary, you should contact your healthcare provider if any symptoms are severe or persistent. Patients should be closely monitored for signs of severe adverse reactions, particularly neutropenia and anemia, and应及时与医疗提供者沟通任何不适。 Follow all prescribed dosing instructions and report any side effects to your healthcare provider promptly. 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 closely monitors PACLITAXEL due to its high incidence of serious adverse events, and regulatory actions may be taken if safety concerns are not adequately addressed.

Frequently Asked Questions

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

The FDA has received approximately 164,816 adverse event reports associated with Paclitaxel. 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 Paclitaxel?

The most frequently reported adverse events for Paclitaxel include Nausea, Neutropenia, Diarrhoea, Dyspnoea, Off Label Use. By volume, the top reported reactions are: Nausea (5,310 reports), Neutropenia (5,214 reports), Diarrhoea (4,967 reports). These figures reflect FDA adverse event reports and may not represent the true incidence rate of these side effects in all patients taking Paclitaxel.

What percentage of Paclitaxel adverse event reports are serious?

Out of 93,336 classified reports, 89,823 (96.2%) were classified as serious and 3,513 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 Paclitaxel (by sex)?

Adverse event reports for Paclitaxel break down by patient sex as follows: Female: 57,140, Male: 23,880, Unknown: 357. 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 Paclitaxel?

The most frequently reported age groups for Paclitaxel adverse events are: age 65: 2,251 reports, age 70: 2,193 reports, age 66: 2,155 reports, age 60: 2,127 reports, age 68: 2,110 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 Paclitaxel?

The primary manufacturer associated with Paclitaxel adverse event reports is Abraxis Bioscience, Llc. 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 Paclitaxel?

Beyond the most common reactions, other reported adverse events for Paclitaxel include: Anaemia, Death, Fatigue, Malignant Neoplasm Progression, Pyrexia. 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 Paclitaxel?

You can report adverse events from Paclitaxel 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 Paclitaxel's safety score and what does it mean?

Paclitaxel 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. PACLITAXEL is associated with a high incidence of serious adverse events, including death and malignancy progression.

What are the key safety signals for Paclitaxel?

Key safety signals identified in Paclitaxel's adverse event data include: Neutropenia and anemia are key safety signals, with high counts and serious outcomes.. Death is a significant safety concern, with a high number of reports.. Malignancy progression and disease progression also pose serious risks.. These signals are derived from patterns in FDA reports and should be discussed with a healthcare provider for personalized assessment.

Does Paclitaxel interact with other drugs?

PACLITAXEL can cause severe drug interactions, including myelosuppression and thrombocytopenia, and should be used with caution in patients with pre-existing hematological conditions. Always inform your healthcare provider about all medications, supplements, and over-the-counter drugs you are taking before starting Paclitaxel.

What should patients know before taking Paclitaxel?

Patients should be closely monitored for signs of severe adverse reactions, particularly neutropenia and anemia, and应及时与医疗提供者沟通任何不适。 Follow all prescribed dosing instructions and report any side effects to your healthcare provider promptly.

Are Paclitaxel side effects well-documented?

Paclitaxel has 164,816 adverse event reports on file with the FDA. The drug shows a wide range of reactions, indicating potential for diverse side effects. The volume of reports for Paclitaxel reflects both the drug's usage level and the vigilance of the reporting community.

What is the FDA's position on Paclitaxel?

The FDA closely monitors PACLITAXEL due to its high incidence of serious adverse events, and regulatory actions may be taken if safety concerns are not adequately addressed. For the most current regulatory information, check the FDA's drug labeling database or consult your pharmacist.

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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.