85/100 · Critical
Manufactured by Bayer HealthCare Pharmaceuticals Inc.
High Safety Concerns with Ciprofloxacin Hydrochloride
221,932 FDA adverse event reports analyzed
Last updated: 2026-05-12
CIPROFLOXACIN HYDROCHLORIDE is a medication tracked in the FDA Adverse Event Reporting System (FAERS), manufactured by Bayer HealthCare Pharmaceuticals Inc.. Based on analysis of 221,932 FDA adverse event reports, CIPROFLOXACIN HYDROCHLORIDE 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 CIPROFLOXACIN HYDROCHLORIDE include DRUG HYPERSENSITIVITY, PAIN, FATIGUE, DIARRHOEA, NAUSEA. This page provides a comprehensive breakdown of reported side effects, safety signals, patient demographics, and AI-powered safety analysis for CIPROFLOXACIN HYDROCHLORIDE.
Ciprofloxacin Hydrochloride 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 221,932 adverse event reports for this medication, which is primarily manufactured by Bayer Healthcare Pharmaceuticals Inc..
The most commonly reported adverse events include Drug Hypersensitivity, Pain, Fatigue. Of classified reports, 83.3% were designated as serious by the FDA, meaning they involved hospitalization, disability, or other significant medical outcomes. Serious adverse events such as acute kidney injury and drug hypersensitivity are common.
A wide range of reactions, including neurological and gastrointestinal issues, are reported. Drug interactions and off-label use are frequently reported, indicating potential misuse.
Patients taking Ciprofloxacin Hydrochloride should monitor for the commonly reported side effects and contact their healthcare provider if they experience any unusual symptoms. Ciprofloxacin Hydrochloride can interact with various drugs, and its use in unapproved indications is common, warranting caution. This analysis is based on voluntary FDA adverse event reports and should not replace professional medical advice.
Ciprofloxacin Hydrochloride received a safety concern score of 85/100 (high concern). This is based on a 83.3% serious event ratio across 94,569 classified reports. The score accounts for 221,932 total adverse event reports and 100 distinct reaction types. This high score reflects a significant proportion of serious adverse events in the reporting data.
Adverse event reports by sex: Female: 50,053, Male: 36,091, Unknown: 321. The most frequently reported age groups are age 65 (2,097 reports), age 67 (1,507 reports), age 66 (1,439 reports). These demographics reflect reporting patterns and may not represent the full patient population.
Out of 94,569 classified reports for CIPROFLOXACIN HYDROCHLORIDE:
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 reflect voluntary FDA adverse event reporting patterns and may not represent the full patient population.
Ciprofloxacin Hydrochloride can interact with various drugs, and its use in unapproved indications is common, warranting caution.
If you are taking Ciprofloxacin Hydrochloride, here are important things to know. The most commonly reported side effects include drug hypersensitivity, pain, fatigue, diarrhoea, nausea. While many of these may be mild and temporary, you should contact your healthcare provider if any symptoms are severe or persistent. Consult a healthcare provider before starting or changing any medication, especially for off-label use. Be aware of potential drug interactions and inform your doctor of all medications you are taking. 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 oversight is necessary due to the high number of serious adverse events and the diversity of reported reactions.
The FDA has received approximately 221,932 adverse event reports associated with Ciprofloxacin Hydrochloride. 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.
The most frequently reported adverse events for Ciprofloxacin Hydrochloride include Drug Hypersensitivity, Pain, Fatigue, Diarrhoea, Nausea. By volume, the top reported reactions are: Drug Hypersensitivity (6,059 reports), Pain (5,992 reports), Fatigue (5,955 reports). These figures reflect FDA adverse event reports and may not represent the true incidence rate of these side effects in all patients taking Ciprofloxacin Hydrochloride.
Out of 94,569 classified reports, 78,801 (83.3%) were classified as serious and 15,768 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.
Adverse event reports for Ciprofloxacin Hydrochloride break down by patient sex as follows: Female: 50,053, Male: 36,091, Unknown: 321. 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.
The most frequently reported age groups for Ciprofloxacin Hydrochloride adverse events are: age 65: 2,097 reports, age 67: 1,507 reports, age 66: 1,439 reports, age 69: 1,413 reports, age 62: 1,401 reports. Age-related reporting patterns can reflect both the demographics of the patient population and potential age-related susceptibility to certain side effects.
The primary manufacturer associated with Ciprofloxacin Hydrochloride adverse event reports is Bayer Healthcare Pharmaceuticals Inc.. Multiple manufacturers may produce generic versions of this drug. The manufacturer listed reflects the most frequently reported brand in FDA adverse event data.
Beyond the most common reactions, other reported adverse events for Ciprofloxacin Hydrochloride include: Arthralgia, Drug Ineffective, Acute Kidney Injury, Dyspnoea, Chronic Kidney Disease. Less common side effects can still be clinically significant. Patients should report any unusual symptoms to their healthcare provider.
You can report adverse events from Ciprofloxacin Hydrochloride 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.
Ciprofloxacin Hydrochloride 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. Serious adverse events such as acute kidney injury and drug hypersensitivity are common.
Key safety signals identified in Ciprofloxacin Hydrochloride's adverse event data include: Acute kidney injury and drug hypersensitivity are key safety signals.. Neurological issues like confusion and tremors are frequently reported.. Tendon disorders and ruptures are significant safety concerns.. These signals are derived from patterns in FDA reports and should be discussed with a healthcare provider for personalized assessment.
Ciprofloxacin Hydrochloride can interact with various drugs, and its use in unapproved indications is common, warranting caution. Always inform your healthcare provider about all medications, supplements, and over-the-counter drugs you are taking before starting Ciprofloxacin Hydrochloride.
Consult a healthcare provider before starting or changing any medication, especially for off-label use. Be aware of potential drug interactions and inform your doctor of all medications you are taking.
Ciprofloxacin Hydrochloride has 221,932 adverse event reports on file with the FDA. A wide range of reactions, including neurological and gastrointestinal issues, are reported. The volume of reports for Ciprofloxacin Hydrochloride reflects both the drug's usage level and the vigilance of the reporting community.
Regulatory oversight is necessary due to the high number of serious adverse events and the diversity of reported reactions. For the most current regulatory information, check the FDA's drug labeling database or consult your pharmacist.
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