Baby aspirin and Injection site reaction - a phase IV clinical study of FDA data


Injection site reaction is found among people who take Baby aspirin, especially for people who are female, 60+ old.

The phase IV clinical study analyzes which people take Baby aspirin and have Injection site reaction. It is created by eHealthMe based on reports of 23,851 people who have side effects when taking Baby aspirin from the FDA, and is updated regularly. You can use the study as a second opinion to make health care decisions.

Phase IV trials are used to detect adverse drug outcomes and monitor drug effectiveness in the real world. With medical big data and AI algorithms, eHealthMe is running millions of phase IV trials and makes the results available to the public. Our original studies have been referenced on 600+ medical publications including The Lancet, Mayo Clinic Proceedings, and Nature.

On Nov, 30, 2022

23,851 people reported to have side effects when taking Baby aspirin.
Among them, 59 people (0.25%) have Injection site reaction.

What is Baby aspirin?

Baby aspirin has active ingredients of aspirin. It is often used in blood clots. eHealthMe is studying from 24,505 Baby aspirin users for its effectiveness, alternative drugs and more.

What is Injection site reaction?

Injection site reaction is found to be associated with 1,666 drugs and 994 conditions by eHealthMe.

Number of Baby aspirin and Injection site reaction reports submitted per year:

Could Baby aspirin cause Injection site reaction?

Gender of people who have Injection site reaction when taking Baby aspirin *:

  • female: 66.67 %
  • male: 33.33 %

Age of people who have Injection site reaction when taking Baby aspirin *:

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 0.0 %
  • 20-29: 4.35 %
  • 30-39: 6.52 %
  • 40-49: 13.04 %
  • 50-59: 19.57 %
  • 60+: 56.52 %

Common drugs people take besides Baby aspirin *:

  1. Enbrel: 16 people, 27.12%
  2. Metformin: 11 people, 18.64%
  3. Methotrexate: 10 people, 16.95%
  4. Vitamin D3: 9 people, 15.25%
  5. Humira: 6 people, 10.17%
  6. Crestor: 6 people, 10.17%
  7. Synthroid: 5 people, 8.47%
  8. Calcium: 5 people, 8.47%
  9. Celebrex: 5 people, 8.47%
  10. Vitamin D: 5 people, 8.47%

Common side effects people have besides Injection site reaction *:

  1. Injection Site Erythema (redness at injection site): 25 people, 42.37%
  2. Injection Site Pruritus (severe itching at injection site): 20 people, 33.90%
  3. Injection Site Pain: 18 people, 30.51%
  4. Injection Site Swelling: 13 people, 22.03%
  5. Joint Pain: 8 people, 13.56%
  6. Injection Site Nodule (small swelling or aggregation of cells in the body, esp. an abnormal one at injection site): 8 people, 13.56%
  7. Injection Site Mass: 7 people, 11.86%
  8. Injection Site Bruising: 6 people, 10.17%
  9. Injection Site Haemorrhage (bleeding from injection site): 6 people, 10.17%
  10. Chills (felling of cold): 5 people, 8.47%

Common conditions people have *:

  1. Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 13 people, 22.03%
  2. Type 2 Diabetes: 7 people, 11.86%
  3. Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 6 people, 10.17%
  4. Psoriasis (immune-mediated disease that affects the skin): 5 people, 8.47%
  5. Insomnia (sleeplessness): 5 people, 8.47%
  6. Stress And Anxiety: 5 people, 8.47%
  7. Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 5 people, 8.47%
  8. Depression: 4 people, 6.78%
  9. High Blood Pressure: 4 people, 6.78%
  10. Psoriatic Arthropathy (inflammation of the skin and joints with kin condition which typically causes patches (plaques) of red, scaly skin to develop): 4 people, 6.78%

* Approximation only. Some reports may have incomplete information.

Do you take Baby aspirin and have Injection site reaction?

Check whether Injection site reaction is associated with a drug or a condition

How to use the study?

You can discuss the study with your doctor, to ensure that all drug risks and benefits are fully discussed and understood.

Related publications that referenced our studies

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Expand to all the drugs that have ingredients of aspirin:

Alternative drugs to, pros and cons of Baby aspirin:

Common Baby aspirin side effects:

Browse all side effects of Baby aspirin:

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Injection site reaction treatments and more:

COVID vaccines that are related to Injection site reaction:

Common drugs associated with Injection site reaction:

All the drugs that are associated with Injection site reaction:

Common conditions associated with Injection site reaction:

All the conditions that are associated with Injection site reaction:

How the study uses the data?

The study uses data from the FDA. It is based on aspirin (the active ingredients of Baby aspirin) and Baby aspirin (the brand name). Other drugs that have the same active ingredients (e.g. generic drugs) are not considered. Dosage of drugs is not considered in the study.

Who is eHealthMe?

With medical big data and proven AI 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 600+ 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).


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 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.

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