Azithromycin and Injection site bruising - a phase IV clinical study of FDA data

Summary:

Injection site bruising is reported as a side effect among people who take Azithromycin (azithromycin), especially for people who are female, 60+ old, have been taking the drug for < 1 month also take Albuterol, and have Asthma.

The phase IV clinical study analyzes which people have Injection site bruising when taking Azithromycin. It is created by eHealthMe based on reports of 38,326 people who have side effects when taking Azithromycin from the FDA, and is updated regularly.

What is Azithromycin?

Azithromycin has active ingredients of azithromycin. It is often used in sinusitis. eHealthMe is studying from 40,716 Azithromycin users. Check the latest studies of Azithromycin.

What is Injection site bruising?

Injection site bruising is found to be associated with 1,062 drugs and 1,051 conditions by eHealthMe. Check the latest studies of Injection site bruising.

eHealthMe: drug outcomes in the real world

eHealthMe runs one of the largest post-marketing drug safety studies in the world. We study millions of patients and 5,000 more each day. Our data-driven phase IV clinical trials have been referenced on 800+ peer-reviewed medical publications including The Lancet, Mayo Clinic Proceedings, and Nature. Tools to study our phase IV findings are available to the public, anonymous and free >>>.



On Sep, 02, 2026

38,326 people reported to have side effects when taking Azithromycin.
Among them, 44 people (0.11%) have Injection site bruising.

Could Azithromycin cause Injection site bruising?

Among these 44 people:

How long have people been on Azithromycin when they have Injection site bruising? *

  • < 1 month: 100 %
  • 1 - 6 months: 0.0 %
  • 6 - 12 months: 0.0 %
  • 1 - 2 years: 0.0 %
  • 2 - 5 years: 0.0 %
  • 5 - 10 years: 0.0 %
  • 10+ years: 0.0 %

What is the gender of people who have Injection site bruising when taking Azithromycin? *

  • female: 80.95 %
  • male: 19.05 %

What is the age of people who have Injection site bruising when taking Azithromycin? *

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 0.0 %
  • 20-29: 0.0 %
  • 30-39: 11.11 %
  • 40-49: 0.0 %
  • 50-59: 25.0 %
  • 60+: 63.89 %

What are other drugs people take besides Azithromycin? *

  1. Metformin: 10 people, 22.73%
  2. Singulair: 10 people, 22.73%
  3. Prednisone: 10 people, 22.73%
  4. Albuterol: 10 people, 22.73%
  5. Lorazepam: 9 people, 20.45%
  6. Methotrexate: 9 people, 20.45%
  7. Vitamin B12: 8 people, 18.18%
  8. Ventolin: 8 people, 18.18%
  9. Advair Hfa: 8 people, 18.18%
  10. Albuterol Sulfate: 7 people, 15.91%

What are other side effects people have besides Injection site bruising? *

  1. Dyspnea (difficult or laboured breathing): 17 people, 38.64%
  2. Pain In Extremity: 13 people, 29.55%
  3. Skin Blushing/flushing (a sudden reddening of the face, neck): 12 people, 27.27%
  4. Back Pain: 12 people, 27.27%
  5. Wheezing (a high-pitched whistling sound made while you breath): 12 people, 27.27%
  6. Chills (felling of cold): 11 people, 25.00%
  7. Asthma: 11 people, 25.00%
  8. Headache (pain in head): 11 people, 25.00%
  9. Pain: 10 people, 22.73%
  10. Viral Infection: 10 people, 22.73%

What are the existing conditions these people have? *

  1. Asthma: 15 people, 34.09%
  2. Psoriatic Arthropathy (inflammation of the skin and joints with kin condition which typically causes patches (plaques) of red, scaly skin to develop): 6 people, 13.64%
  3. Lower Respiratory Tract Infection: 5 people, 11.36%
  4. Ulcerative Colitis (inflammatory bowel disease (ibd). it causes swelling, ulcerations, and loss of function of the large intestine): 5 people, 11.36%
  5. Immunodeficiency Common Variable: 4 people, 9.09%
  6. Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 3 people, 6.82%
  7. Senile Osteoporosis (weak bones with ageing): 3 people, 6.82%
  8. Dermatitis Atopic (inflammatory, chronically relapsing, non-contagious and pruritic skin disorder): 2 people, 4.55%
  9. Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 1 person, 2.27%
  10. Psoriasis (immune-mediated disease that affects the skin): 1 person, 2.27%

* Approximation only. Some reports may have incomplete information.

Do you take Azithromycin and have Injection site bruising?

- Check whether Injection site bruising is associated with a drug or a condition
- Predict drug outcomes for up to one year with AI
- Get an AI agent to monitor your drugs continuously



Related studies:

Effectiveness of, long term effects of, and alternative drugs to Azithromycin:

Injection site bruising treatments and more:

How severe was Injection site bruising and when was it recovered:

Expand to all the drugs that have ingredients of azithromycin:

Sub-studies by gender and age:

Female: 0-1 2-9 10-19 20-29 30-39 40-49 50-59 60+

Male: 0-1 2-9 10-19 20-29 30-39 40-49 50-59 60+

Browse all side effects of Azithromycin:

a b c d e f g h i j k l m n o p q r s t u v w x y z

Browse all the drugs that are associated with Injection site bruising:

Browse all the conditions that are associated with Injection site bruising:


How the study uses the data?

The study uses data from the FDA. It is based on azithromycin (the active ingredients of Azithromycin) and Azithromycin (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.

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).

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.



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