CARBIDOPA AND LEVODOPA

82/100 · Critical

Manufactured by Amneal Pharmaceuticals LLC

High Safety Concerns with Carbidopa and Levodopa: Falls and Neurological Issues Predominate

97,592 FDA adverse event reports analyzed

Last updated: 2026-05-12

About CARBIDOPA AND LEVODOPA

CARBIDOPA AND LEVODOPA is a medication tracked in the FDA Adverse Event Reporting System (FAERS), manufactured by Amneal Pharmaceuticals LLC. Based on analysis of 97,592 FDA adverse event reports, CARBIDOPA AND LEVODOPA has a safety score of 82 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 CARBIDOPA AND LEVODOPA include FALL, DRUG INEFFECTIVE, HALLUCINATION, TREMOR, DYSKINESIA. This page provides a comprehensive breakdown of reported side effects, safety signals, patient demographics, and AI-powered safety analysis for CARBIDOPA AND LEVODOPA.

AI Safety Analysis

Carbidopa And Levodopa has a safety concern score of 82 out of 100, placing it in the high concern category based on analysis of FDA adverse event data. The FDA has received approximately 97,592 adverse event reports for this medication, which is primarily manufactured by Amneal Pharmaceuticals Llc.

The most commonly reported adverse events include Fall, Drug Ineffective, Hallucination. Of classified reports, 54.9% were designated as serious by the FDA, meaning they involved hospitalization, disability, or other significant medical outcomes. Falls are the most common serious adverse event, indicating a significant risk of injury.

Neurological symptoms such as hallucinations, dyskinesia, and confusion are frequent and serious. Death reports are notable, suggesting a high risk of severe adverse outcomes. Drug ineffectiveness and on-off phenomenon are common, indicating variability in therapeutic response. Interactions and misuse are frequent, highlighting the need for careful management.

Patients taking Carbidopa And Levodopa should monitor for the commonly reported side effects and contact their healthcare provider if they experience any unusual symptoms. Carbidopa and Levodopa can interact with other medications, and misuse can lead to serious adverse events. Patients should be closely monitored for interactions and side effects. This analysis is based on voluntary FDA adverse event reports and should not replace professional medical advice.

Safety Score: 82/100

Carbidopa And Levodopa received a safety concern score of 82/100 (high concern). This is based on a 54.9% serious event ratio across 45,752 classified reports. The score accounts for 97,592 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

FALL4,293 reports
DRUG INEFFECTIVE3,953 reports
HALLUCINATION3,734 reports
TREMOR3,257 reports
DYSKINESIA2,902 reports
DEATH2,728 reports
PARKINSON^S DISEASE2,461 reports
DIZZINESS2,442 reports
NAUSEA2,312 reports
CONFUSIONAL STATE2,083 reports
GAIT DISTURBANCE1,967 reports
SOMNOLENCE1,946 reports
FATIGUE1,943 reports
ASTHENIA1,803 reports
URINARY TRACT INFECTION1,419 reports
WEIGHT DECREASED1,388 reports
ANXIETY1,379 reports
MALAISE1,374 reports
INSOMNIA1,346 reports
CONSTIPATION1,321 reports
DEVICE ISSUE1,264 reports
FEELING ABNORMAL1,252 reports
CONDITION AGGRAVATED1,235 reports
DYSPNOEA1,222 reports
BALANCE DISORDER1,124 reports
COUGH1,086 reports
HYPOTENSION1,003 reports
PAIN983 reports
ON AND OFF PHENOMENON974 reports
DEVICE DISLOCATION964 reports
PNEUMONIA957 reports
VOMITING934 reports
HEADACHE913 reports
DYSPHAGIA909 reports
ADVERSE EVENT901 reports
FREEZING PHENOMENON889 reports
THERAPEUTIC RESPONSE SHORTENED873 reports
PRODUCT DOSE OMISSION ISSUE866 reports
MUSCULOSKELETAL STIFFNESS845 reports
DIARRHOEA824 reports
HALLUCINATION, VISUAL805 reports
SPEECH DISORDER798 reports
MEMORY IMPAIRMENT789 reports
DEPRESSION761 reports
MOBILITY DECREASED753 reports
LOSS OF CONSCIOUSNESS723 reports
OFF LABEL USE721 reports
DELUSION706 reports
AGITATION694 reports
DECREASED APPETITE694 reports
DEVICE OCCLUSION648 reports
DRUG INTERACTION648 reports
MUSCLE SPASMS644 reports
PAIN IN EXTREMITY637 reports
DEMENTIA636 reports
STOMA SITE DISCHARGE606 reports
PERIPHERAL SWELLING587 reports
MUSCLE RIGIDITY585 reports
PRESCRIBED OVERDOSE575 reports
HYPERHIDROSIS565 reports
DEHYDRATION558 reports
GENERAL PHYSICAL HEALTH DETERIORATION538 reports
UNEVALUABLE EVENT536 reports
AGGRESSION524 reports
ABNORMAL BEHAVIOUR523 reports
HOSPITALISATION519 reports
THERAPEUTIC PRODUCT EFFECT INCOMPLETE513 reports
BLOOD PRESSURE INCREASED509 reports
GAIT INABILITY508 reports
HYPERTENSION501 reports
BLOOD PRESSURE DECREASED491 reports
DRY MOUTH487 reports
COGNITIVE DISORDER484 reports
SYNCOPE482 reports
HIP FRACTURE479 reports
BACK PAIN476 reports
MUSCULAR WEAKNESS472 reports
ARTHRALGIA471 reports
ABDOMINAL DISCOMFORT461 reports
ADVERSE DRUG REACTION461 reports
DYSTONIA452 reports
ABDOMINAL PAIN435 reports
CEREBROVASCULAR ACCIDENT435 reports
BRADYKINESIA426 reports
PYREXIA423 reports
MOVEMENT DISORDER418 reports
THERAPY CESSATION414 reports
STOMA SITE ERYTHEMA400 reports
SLEEP DISORDER399 reports
COVID 19396 reports
PRODUCT USE ISSUE390 reports
INCORRECT DOSE ADMINISTERED388 reports
RASH382 reports
WRONG TECHNIQUE IN PRODUCT USAGE PROCESS378 reports
ABDOMINAL PAIN UPPER377 reports
PNEUMONIA ASPIRATION375 reports
OEDEMA PERIPHERAL372 reports
DYSSTASIA369 reports
ORTHOSTATIC HYPOTENSION364 reports
ABNORMAL DREAMS362 reports

Key Safety Signals

  • Falls (4293 reports)
  • Death (2728 reports)
  • Hallucinations (3734 reports)
  • Dyskinesia (2902 reports)
  • Drug ineffectiveness (3953 reports)

Patient Demographics

Adverse event reports by sex: Male: 24,294, Female: 18,699, Unknown: 36. The most frequently reported age groups are age 76 (1,171 reports), age 77 (1,171 reports), age 73 (1,160 reports). These demographics reflect reporting patterns and may not represent the full patient population.

Report Outcomes

Out of 45,752 classified reports for CARBIDOPA AND LEVODOPA:

  • Serious: 25,127 reports (54.9%) — includes hospitalization, disability, life-threatening events, or death
  • Non-Serious: 20,625 reports (45.1%)
Serious 54.9%Non-Serious 45.1%

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

Male24,294 (56.5%)
Female18,699 (43.5%)
Unknown36 (0.1%)

Reports by Age

Age 761,171 reports
Age 771,171 reports
Age 731,160 reports
Age 751,134 reports
Age 781,131 reports
Age 721,122 reports
Age 711,113 reports
Age 741,108 reports
Age 791,021 reports
Age 701,020 reports
Age 80984 reports
Age 69962 reports
Age 68872 reports
Age 67856 reports
Age 81825 reports
Age 66783 reports
Age 82752 reports
Age 65749 reports
Age 83688 reports
Age 64610 reports

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

Drug Interactions & Warnings

Carbidopa and Levodopa can interact with other medications, and misuse can lead to serious adverse events. Patients should be closely monitored for interactions and side effects.

What You Should Know

If you are taking Carbidopa And Levodopa, here are important things to know. The most commonly reported side effects include fall, drug ineffective, hallucination, tremor, dyskinesia. While many of these may be mild and temporary, you should contact your healthcare provider if any symptoms are severe or persistent. Patients should report any unusual symptoms to their healthcare provider immediately. Follow prescribed dosing instructions and do not alter the regimen without medical advice. 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

Regulators continue to monitor the safety profile of Carbidopa and Levodopa, with ongoing efforts to improve patient safety and management practices.

Frequently Asked Questions

How many adverse event reports has the FDA received for Carbidopa And Levodopa?

The FDA has received approximately 97,592 adverse event reports associated with Carbidopa And Levodopa. 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 Carbidopa And Levodopa?

The most frequently reported adverse events for Carbidopa And Levodopa include Fall, Drug Ineffective, Hallucination, Tremor, Dyskinesia. By volume, the top reported reactions are: Fall (4,293 reports), Drug Ineffective (3,953 reports), Hallucination (3,734 reports). These figures reflect FDA adverse event reports and may not represent the true incidence rate of these side effects in all patients taking Carbidopa And Levodopa.

What percentage of Carbidopa And Levodopa adverse event reports are serious?

Out of 45,752 classified reports, 25,127 (54.9%) were classified as serious and 20,625 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 Carbidopa And Levodopa (by sex)?

Adverse event reports for Carbidopa And Levodopa break down by patient sex as follows: Male: 24,294, Female: 18,699, Unknown: 36. 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 Carbidopa And Levodopa?

The most frequently reported age groups for Carbidopa And Levodopa adverse events are: age 76: 1,171 reports, age 77: 1,171 reports, age 73: 1,160 reports, age 75: 1,134 reports, age 78: 1,131 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 Carbidopa And Levodopa?

The primary manufacturer associated with Carbidopa And Levodopa adverse event reports is Amneal Pharmaceuticals 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 Carbidopa And Levodopa?

Beyond the most common reactions, other reported adverse events for Carbidopa And Levodopa include: Death, Parkinson^S Disease, Dizziness, Nausea, Confusional State. 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 Carbidopa And Levodopa?

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

Carbidopa And Levodopa has a safety concern score of 82 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. Falls are the most common serious adverse event, indicating a significant risk of injury.

What are the key safety signals for Carbidopa And Levodopa?

Key safety signals identified in Carbidopa And Levodopa's adverse event data include: Falls (4293 reports). Death (2728 reports). Hallucinations (3734 reports). Dyskinesia (2902 reports). Drug ineffectiveness (3953 reports). These signals are derived from patterns in FDA reports and should be discussed with a healthcare provider for personalized assessment.

Does Carbidopa And Levodopa interact with other drugs?

Carbidopa and Levodopa can interact with other medications, and misuse can lead to serious adverse events. Patients should be closely monitored for interactions and side effects. Always inform your healthcare provider about all medications, supplements, and over-the-counter drugs you are taking before starting Carbidopa And Levodopa.

What should patients know before taking Carbidopa And Levodopa?

Patients should report any unusual symptoms to their healthcare provider immediately. Follow prescribed dosing instructions and do not alter the regimen without medical advice.

Are Carbidopa And Levodopa side effects well-documented?

Carbidopa And Levodopa has 97,592 adverse event reports on file with the FDA. Neurological symptoms such as hallucinations, dyskinesia, and confusion are frequent and serious. The volume of reports for Carbidopa And Levodopa reflects both the drug's usage level and the vigilance of the reporting community.

What is the FDA's position on Carbidopa And Levodopa?

Regulators continue to monitor the safety profile of Carbidopa and Levodopa, with ongoing efforts to improve patient safety and management practices. For the most current regulatory information, check the FDA's drug labeling database or consult your pharmacist.

Related Drugs

Drugs related to CARBIDOPA AND LEVODOPA based on therapeutic use, drug class, or shared indications:

Amneal Pharmaceuticals LLCOther manufacturersGeneric versionsBranded versionsGeneric equivalents
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.