ASPIRIN

85/100 · Critical

Manufactured by Rising Pharma Holdings, Inc.

Aspirin Adverse Events: High Serious Reaction Rate

945,345 FDA adverse event reports analyzed

Last updated: 2026-05-12

About ASPIRIN

ASPIRIN is a medication tracked in the FDA Adverse Event Reporting System (FAERS), manufactured by Rising Pharma Holdings, Inc.. Based on analysis of 945,345 FDA adverse event reports, ASPIRIN 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 ASPIRIN include FATIGUE, DYSPNOEA, NAUSEA, DIARRHOEA, DIZZINESS. This page provides a comprehensive breakdown of reported side effects, safety signals, patient demographics, and AI-powered safety analysis for ASPIRIN.

AI Safety Analysis

Aspirin 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 945,345 adverse event reports for this medication, which is primarily manufactured by Rising Pharma Holdings, Inc..

The most commonly reported adverse events include Fatigue, Dyspnoea, Nausea. Of classified reports, 71.5% were designated as serious by the FDA, meaning they involved hospitalization, disability, or other significant medical outcomes. High rate of serious reactions, including myocardial infarction and death.

Common gastrointestinal issues like diarrhea and nausea reported. Significant number of drug interactions and warnings noted.

Patients taking Aspirin should monitor for the commonly reported side effects and contact their healthcare provider if they experience any unusual symptoms. Aspirin can interact with other medications, potentially leading to adverse effects. Patients should consult healthcare providers before combining aspirin with other drugs. This analysis is based on voluntary FDA adverse event reports and should not replace professional medical advice.

Safety Score: 85/100

Aspirin received a safety concern score of 85/100 (high concern). This is based on a 71.5% serious event ratio across 518,281 classified reports. The score accounts for 945,345 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

FATIGUE31,972 reports
DYSPNOEA27,177 reports
NAUSEA26,586 reports
DIARRHOEA26,452 reports
DIZZINESS22,390 reports
DRUG INEFFECTIVE21,666 reports
HEADACHE19,471 reports
ASTHENIA18,895 reports
OFF LABEL USE18,704 reports
FALL18,601 reports
PAIN18,016 reports
PNEUMONIA15,904 reports
VOMITING15,781 reports
MYOCARDIAL INFARCTION15,005 reports
DEATH14,892 reports
ARTHRALGIA14,085 reports
PRURITUS13,450 reports
GASTROINTESTINAL HAEMORRHAGE13,435 reports
MALAISE13,360 reports
WEIGHT DECREASED13,053 reports
PAIN IN EXTREMITY12,826 reports
COUGH12,631 reports
RASH12,248 reports
CHEST PAIN12,156 reports
ANAEMIA11,902 reports
FLUSHING11,652 reports
HYPOTENSION11,280 reports
CONSTIPATION11,212 reports
CEREBROVASCULAR ACCIDENT11,125 reports
PYREXIA10,953 reports
ACUTE KIDNEY INJURY10,775 reports
HYPERTENSION10,604 reports
BACK PAIN10,466 reports
DECREASED APPETITE10,027 reports
INSOMNIA9,601 reports
RENAL FAILURE9,201 reports
ANXIETY8,762 reports
URINARY TRACT INFECTION8,420 reports
ABDOMINAL PAIN8,314 reports
CONDITION AGGRAVATED8,280 reports
MUSCLE SPASMS8,186 reports
GAIT DISTURBANCE8,183 reports
CARDIAC FAILURE CONGESTIVE8,154 reports
ATRIAL FIBRILLATION8,051 reports
MYALGIA7,995 reports
BLOOD PRESSURE INCREASED7,953 reports
DRUG INTERACTION7,890 reports
OEDEMA PERIPHERAL7,859 reports
CHRONIC KIDNEY DISEASE7,768 reports
ABDOMINAL PAIN UPPER7,762 reports
CONFUSIONAL STATE7,674 reports
BLOOD GLUCOSE INCREASED7,576 reports
DEPRESSION7,562 reports
FEELING ABNORMAL7,467 reports
PARAESTHESIA7,211 reports
DEHYDRATION7,164 reports
HAEMOGLOBIN DECREASED6,978 reports
WEIGHT INCREASED6,963 reports
PERIPHERAL SWELLING6,842 reports
SOMNOLENCE6,478 reports
DRUG HYPERSENSITIVITY6,413 reports
ABDOMINAL DISCOMFORT6,331 reports
ERYTHEMA6,203 reports
SYNCOPE6,146 reports
CONTUSION6,095 reports
NASOPHARYNGITIS6,066 reports
MUSCULAR WEAKNESS6,025 reports
HYPOAESTHESIA5,930 reports
TREMOR5,843 reports
CORONARY ARTERY DISEASE5,836 reports
HAEMORRHAGE5,757 reports
PRODUCT DOSE OMISSION ISSUE5,721 reports
EPISTAXIS5,542 reports
COVID 195,501 reports
HYPERHIDROSIS5,421 reports
LOSS OF CONSCIOUSNESS5,276 reports
GASTROOESOPHAGEAL REFLUX DISEASE4,926 reports
CHEST DISCOMFORT4,918 reports
NEUROPATHY PERIPHERAL4,894 reports
VISION BLURRED4,863 reports
SEPSIS4,802 reports
PALPITATIONS4,796 reports
MEMORY IMPAIRMENT4,786 reports
DYSPEPSIA4,713 reports
BALANCE DISORDER4,686 reports
ACUTE MYOCARDIAL INFARCTION4,667 reports
CARDIAC DISORDER4,589 reports
GENERAL PHYSICAL HEALTH DETERIORATION4,457 reports
CHILLS4,430 reports
WHITE BLOOD CELL COUNT DECREASED4,416 reports
PLATELET COUNT DECREASED4,399 reports
THROMBOCYTOPENIA4,340 reports
CARDIAC FAILURE4,312 reports
RENAL FAILURE ACUTE4,210 reports
URTICARIA4,200 reports
HEART RATE INCREASED4,180 reports
HYPERSENSITIVITY4,171 reports
PRODUCT USE ISSUE4,164 reports
FEELING HOT4,150 reports
THROMBOSIS4,124 reports

Key Safety Signals

  • High percentage of serious reactions (71.5%)
  • Multiple cardiovascular events reported, including myocardial infarction and stroke
  • Significant number of reports of gastrointestinal bleeding and hemorrhage

Patient Demographics

Adverse event reports by sex: Male: 247,344, Female: 239,377, Unknown: 1,283. The most frequently reported age groups are age 71 (11,016 reports), age 72 (10,983 reports), age 70 (10,978 reports). These demographics reflect reporting patterns and may not represent the full patient population.

Report Outcomes

Out of 518,281 classified reports for ASPIRIN:

  • Serious: 370,740 reports (71.5%) — includes hospitalization, disability, life-threatening events, or death
  • Non-Serious: 147,541 reports (28.5%)
Serious 71.5%Non-Serious 28.5%

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

Male247,344 (50.7%)
Female239,377 (49.1%)
Unknown1,283 (0.3%)

Reports by Age

Age 7111,016 reports
Age 7210,983 reports
Age 7010,978 reports
Age 6910,924 reports
Age 7410,694 reports
Age 6810,683 reports
Age 7310,682 reports
Age 6510,622 reports
Age 7510,522 reports
Age 6710,494 reports
Age 6610,178 reports
Age 7710,122 reports
Age 7610,090 reports
Age 649,386 reports
Age 789,355 reports
Age 639,141 reports
Age 798,780 reports
Age 628,732 reports
Age 808,442 reports
Age 608,303 reports

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

Drug Interactions & Warnings

Aspirin can interact with other medications, potentially leading to adverse effects. Patients should consult healthcare providers before combining aspirin with other drugs.

What You Should Know

If you are taking Aspirin, here are important things to know. The most commonly reported side effects include fatigue, dyspnoea, nausea, diarrhoea, dizziness. While many of these may be mild and temporary, you should contact your healthcare provider if any symptoms are severe or persistent. Always follow prescribed dosages and consult a healthcare provider before starting or stopping aspirin use. Be aware of potential interactions with other medications and report any unusual symptoms to a 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 continues to monitor aspirin safety, particularly in elderly populations and those with pre-existing conditions. Regular medical check-ups are recommended for patients taking aspirin.

Frequently Asked Questions

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

The FDA has received approximately 945,345 adverse event reports associated with Aspirin. 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 Aspirin?

The most frequently reported adverse events for Aspirin include Fatigue, Dyspnoea, Nausea, Diarrhoea, Dizziness. By volume, the top reported reactions are: Fatigue (31,972 reports), Dyspnoea (27,177 reports), Nausea (26,586 reports). These figures reflect FDA adverse event reports and may not represent the true incidence rate of these side effects in all patients taking Aspirin.

What percentage of Aspirin adverse event reports are serious?

Out of 518,281 classified reports, 370,740 (71.5%) were classified as serious and 147,541 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 Aspirin (by sex)?

Adverse event reports for Aspirin break down by patient sex as follows: Male: 247,344, Female: 239,377, Unknown: 1,283. 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 Aspirin?

The most frequently reported age groups for Aspirin adverse events are: age 71: 11,016 reports, age 72: 10,983 reports, age 70: 10,978 reports, age 69: 10,924 reports, age 74: 10,694 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 Aspirin?

The primary manufacturer associated with Aspirin adverse event reports is Rising Pharma Holdings, Inc.. 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 Aspirin?

Beyond the most common reactions, other reported adverse events for Aspirin include: Drug Ineffective, Headache, Asthenia, Off Label Use, Fall. 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 Aspirin?

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

Aspirin 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. High rate of serious reactions, including myocardial infarction and death.

What are the key safety signals for Aspirin?

Key safety signals identified in Aspirin's adverse event data include: High percentage of serious reactions (71.5%). Multiple cardiovascular events reported, including myocardial infarction and stroke. Significant number of reports of gastrointestinal bleeding and hemorrhage. These signals are derived from patterns in FDA reports and should be discussed with a healthcare provider for personalized assessment.

Does Aspirin interact with other drugs?

Aspirin can interact with other medications, potentially leading to adverse effects. Patients should consult healthcare providers before combining aspirin with other drugs. Always inform your healthcare provider about all medications, supplements, and over-the-counter drugs you are taking before starting Aspirin.

What should patients know before taking Aspirin?

Always follow prescribed dosages and consult a healthcare provider before starting or stopping aspirin use. Be aware of potential interactions with other medications and report any unusual symptoms to a healthcare provider promptly.

Are Aspirin side effects well-documented?

Aspirin has 945,345 adverse event reports on file with the FDA. Common gastrointestinal issues like diarrhea and nausea reported. The volume of reports for Aspirin reflects both the drug's usage level and the vigilance of the reporting community.

What is the FDA's position on Aspirin?

The FDA continues to monitor aspirin safety, particularly in elderly populations and those with pre-existing conditions. Regular medical check-ups are recommended for patients taking aspirin. For the most current regulatory information, check the FDA's drug labeling database or consult your pharmacist.

Related Drugs

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

ClopidogrelWarfarinIbuprofenCitalopramLisinopril
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.