Plavix Vs. Bayer Low Dose Aspirin (81mg Aspirin) for a female patient aged 90 (an AI-powered real world drug study)

Summary:

This is a personalized comparison of Plavix, Bayer Low Dose Aspirin (81mg Aspirin) for a woman aged 90. The study is created by eHealthMe based on reports from the FDA and eHealthme.


On Aug, 06, 2026

24,701 females aged 90 (±5) who take Plavix, Bayer Low Dose Aspirin (81mg Aspirin) and have adverse effects are studied.


Number of reports submitted per year:

Plavix, Bayer Low Dose Aspirin (81mg Aspirin) for a female patient aged 90.

Information of the patient in this study:

  • Age: 90
  • Gender: female

What are the drugs?

What is the reason to compare the drugs?


eHealthMe real world results:

Most common side effects:

Plavix:

  1. Fall
  2. Asthenia (weakness)
  3. Dyspnoea (difficult or laboured respiration)
  4. Gastrointestinal Haemorrhage (bleeding gastrointestinal tract)
  5. Anaemia (lack of blood)
  6. Diarrhoea
  7. Cerebrovascular Accident (sudden death of some brain cells due to lack of oxygen when the blood flow to the brain is impaired by blockage or rupture)
  8. Dizziness
  9. Nausea (feeling of having an urge to vomit)
  10. Death

Bayer Low Dose Aspirin (81mg Aspirin):

  1. Fall
  2. Gastrointestinal Haemorrhage (bleeding gastrointestinal tract)
  3. Dyspnoea (difficult or laboured respiration)
  4. Diarrhoea
  5. Death
  6. Fatigue (feeling of tiredness)
  7. Asthenia (weakness)
  8. Nausea (feeling of having an urge to vomit)
  9. Dizziness
  10. Anaemia (lack of blood)

Most common side effects experienced by people in long term (1+ years) use:

Plavix:

  1. Gastrointestinal Haemorrhage (bleeding gastrointestinal tract)
  2. Cerebral Haemorrhage (bleeding within the brain)
  3. Anaemia (lack of blood)
  4. Melaena (the passage of black, tarry stools)
  5. Death
  6. Drug Ineffective
  7. Dyspnoea (difficult or laboured respiration)
  8. Cerebrovascular Accident (sudden death of some brain cells due to lack of oxygen when the blood flow to the brain is impaired by blockage or rupture)
  9. Multiple Injuries
  10. Fall

Bayer Low Dose Aspirin (81mg Aspirin):

  1. Anaemia (lack of blood)
  2. Gastrointestinal Haemorrhage (bleeding gastrointestinal tract)
  3. Melaena (the passage of black, tarry stools)
  4. Haematemesis (vomiting of blood)
  5. Cerebral Haemorrhage (bleeding within the brain)
  6. Cardiac Failure
  7. Hyperkalaemia (damage to or disease of the kidney)
  8. Cerebral Infarction (less blood supply to brain resulting tissue damage)
  9. Urinary Tract Infection
  10. Syncope (loss of consciousness with an inability to maintain postural tone)

Drug effectiveness:

Plavix:

  • not at all: 1.92 %
  • somewhat: 23.08 %
  • moderate: 38.46 %
  • high: 32.69 %
  • very high: 3.85 %

Bayer Low Dose Aspirin (81mg Aspirin):

  • not at all: 1.43 %
  • somewhat: 21.43 %
  • moderate: 48.57 %
  • high: 18.57 %
  • very high: 10.0 %



How to use the study?

DO NOT STOP MEDICATIONS without first consulting your doctor. If there are any serious or long term adverse effects discovered in the study, discuss the study with your doctor to ensure that proper medication management will be in place if applicable.

Who is eHealthMe?

With medical big data and proven AI/ML algorithms, eHealthMe provides a platform for everyone to run phase IV clinical trials. We study millions of patients and 5,000 more each day. Results of our real-world drug study have been referenced on 800+ peer-reviewed medical publications, including The Lancet, Mayo Clinic Proceedings, and Nature. Our analysis results are available to researchers, health care professionals, patients (testimonials), and software developers (open API).

Related publications that referenced our studies

Related studies

How the study uses the data?

The study is based on gender, age, active ingredients of any drugs used. Other drugs that have the same active ingredients (e.g. generic drugs) are considered. Dosage of drugs is not considered in the study.

WARNING, DISCLAIMER, USE FOR PUBLICATION

WARNING: Please DO NOT STOP MEDICATIONS without first consulting a physician since doing so could be hazardous to your health.

DISCLAIMER: All material available on eHealthMe.com is for informational purposes only, and is not a substitute for medical advice, diagnosis, or treatment provided by a qualified healthcare provider. All information is observation-only. Our phase IV clinical studies alone cannot establish cause-effect relationship. Different individuals may respond to medication in different ways. Every effort has been made to ensure that all information is accurate, up-to-date, and complete, but no guarantee is made to that effect. The use of the eHealthMe site and its content is at your own risk.

If you use this eHealthMe study on publication, please acknowledge it with a citation: study title, URL, accessed date.



Recent studies on eHealthMe: