Cephalexin and Furuncle - a phase IV clinical study of FDA data

Summary:

Furuncle is reported as a side effect among people who take Cephalexin (cephalexin), especially for people who are female, 30-39 old, have been taking the drug for < 1 month also take Azithromycin, and have Eczema.

The phase IV clinical study analyzes which people have Furuncle when taking Cephalexin. It is created by eHealthMe based on reports of 29,149 people who have side effects when taking Cephalexin from the FDA, and is updated regularly.

What is Cephalexin?

Cephalexin has active ingredients of cephalexin. It is often used in infection. eHealthMe is studying from 30,580 Cephalexin users. Check the latest studies of Cephalexin.

What is Furuncle?

Furuncle (infection of the hair follicle) is found to be associated with 726 drugs and 1,097 conditions by eHealthMe. Check the latest studies of Furuncle.



On Jul, 13, 2026

29,149 people reported to have side effects when taking Cephalexin.
Among them, 64 people (0.22%) have Furuncle.

Could Cephalexin cause Furuncle?

Among these 64 people:

How long have people been on Cephalexin when they have Furuncle? *

  • < 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 Furuncle when taking Cephalexin? *

  • female: 69.35 %
  • male: 30.65 %

What is the age of people who have Furuncle when taking Cephalexin? *

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 5.56 %
  • 20-29: 9.26 %
  • 30-39: 46.3 %
  • 40-49: 0.0 %
  • 50-59: 7.41 %
  • 60+: 31.48 %

What are other drugs people take besides Cephalexin? *

  1. Azithromycin: 18 people, 28.12%
  2. Allegra: 15 people, 23.44%
  3. Alprazolam: 15 people, 23.44%
  4. Prilosec: 14 people, 21.88%
  5. Famotidine: 14 people, 21.88%
  6. Hydrocodone Bitartrate And Acetaminophen: 13 people, 20.31%
  7. Albuterol: 12 people, 18.75%
  8. Avelox: 11 people, 17.19%
  9. Fluconazole: 11 people, 17.19%
  10. Gentamicin: 11 people, 17.19%

What are other side effects people have besides Furuncle? *

  1. High Blood Pressure: 21 people, 32.81%
  2. Rashes (redness): 20 people, 31.25%
  3. Fatigue (feeling of tiredness): 20 people, 31.25%
  4. Constipation: 20 people, 31.25%
  5. Pain In Extremity: 18 people, 28.12%
  6. Joint Pain: 18 people, 28.12%
  7. High Blood Cholesterol: 18 people, 28.12%
  8. Fever: 18 people, 28.12%
  9. Abdominal Pain: 17 people, 26.56%
  10. Back Pain: 16 people, 25.00%

What are the existing conditions these people have? *

  1. Relapsing-Remitting Multiple Sclerosis (reoccurrence of an inflammatory disease in which the insulating covers of nerve cells in the brain and spinal cord are damaged): 10 people, 15.62%
  2. Eczema (patches of skin become rough and inflamed, with itching and bleeding blisters): 10 people, 15.62%
  3. Crohn's Disease (a condition that causes inflammation of the gastrointestinal tract): 5 people, 7.81%
  4. High Blood Pressure: 5 people, 7.81%
  5. Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 5 people, 7.81%
  6. Anaemia (lack of blood): 4 people, 6.25%
  7. Hypercalcaemia (elevated calcium (ca+) level in the blood): 4 people, 6.25%
  8. Breast Cancer Female: 4 people, 6.25%
  9. Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 3 people, 4.69%
  10. Multiple Myeloma (cancer of the plasma cells): 3 people, 4.69%

* Approximation only. Some reports may have incomplete information.

Do you take Cephalexin and have Furuncle?

- Check whether Furuncle 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 Cephalexin:

Furuncle treatments and more:

How severe was Furuncle and when was it recovered:

Expand to all the drugs that have ingredients of cephalexin:

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 Cephalexin:

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 Furuncle:

Browse all the conditions that are associated with Furuncle:

Related publications that referenced our studies


How the study uses the data?

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