Cephalexin and Dermatitis bullous - a phase IV clinical study of FDA data

Summary:

Dermatitis bullous is reported as a side effect among people who take Cephalexin (cephalexin), especially for people who are female, 60+ old, also take Cefaclor, and have Chest pain.

The phase IV clinical study analyzes which people have Dermatitis bullous 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 Dermatitis bullous?

Dermatitis bullous (inflammation of the skin characterized by the presence of bullae which are filled with fluid) is found to be associated with 661 drugs and 949 conditions by eHealthMe. Check the latest studies of Dermatitis bullous.

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 Aug, 28, 2026

29,149 people reported to have side effects when taking Cephalexin.
Among them, 17 people (0.06%) have Dermatitis bullous.

Could Cephalexin cause Dermatitis bullous?

Among these 17 people:

What is the gender of people who have Dermatitis bullous when taking Cephalexin? *

female: 73.33 %
male: 26.67 %

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

What are other drugs people take besides Cephalexin? *

What are other side effects people have besides Dermatitis bullous? *

Pain: 3 people, 17.65%
Acute Generalised Exanthematous Pustulosis (acute febrile drug eruption): 3 people, 17.65%
Headache (pain in head): 3 people, 17.65%
Rashes (redness): 3 people, 17.65%
Fatigue (feeling of tiredness): 3 people, 17.65%
Blister (small pocket of fluid within the upper layers of the skin caused by forceful rubbing (friction), burning, freezing, chemical exposure): 2 people, 11.76%
Muscle Aches (muscle pain): 2 people, 11.76%
Pain In Extremity: 2 people, 11.76%
Dizziness: 2 people, 11.76%
Malaise (a feeling of general discomfort or uneasiness): 2 people, 11.76%

What are the existing conditions these people have? *

Urinary Tract Disorder: 1 person, 5.88%
Toxic Nodular Goitre (a thyroid gland that contains autonomously functioning thyroid nodules, with resulting excess thyroid hormone secretion): 1 person, 5.88%
Toothaches (tooth pain): 1 person, 5.88%
Stress And Anxiety: 1 person, 5.88%
Rashes (redness): 1 person, 5.88%
Nausea (feeling of having an urge to vomit): 1 person, 5.88%
Herpes Virus Infection: 1 person, 5.88%
Fibromyalgia (a long-term condition which causes pain all over the body): 1 person, 5.88%
Crohn's Disease (a condition that causes inflammation of the gastrointestinal tract): 1 person, 5.88%
Chest Pain: 1 person, 5.88%

* Approximation only. Some reports may have incomplete information.

Do you take Cephalexin and have Dermatitis bullous?

- Check whether Dermatitis bullous 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:

Cephalexin (30,580 reports)

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 Dermatitis bullous:

Dermatitis bullous (661 drugs)

Browse all the conditions that are associated with Dermatitis bullous:

Dermatitis bullous (949 conditions)

Related publications that referenced our studies

Agrawal A, Rao M, Jasdanwala S, Mathur A, Eng M, "Cephalexin Induced Cholestatic Jaundice", Case reports in gastrointestinal medicine, 2014 Aug .
Akasaka E, Kayo SJ, Nakano H, Ishii N, Hashimoto T, Sawamura D, "Diaminodiphenyl Sulfone-Induced Hemolytic Anemia and Alopecia in a Case of Linear IgA Bullous Dermatosis", Case reports in dermatology, 2014 Jan .
Agrawal A, Rao M, Jasdanwala S, Mathur A, Eng M, "Cephalexin Induced Cholestatic Jaundice", Case reports in gastrointestinal medicine, 2014 Aug .
Akasaka E, Kayo SJ, Nakano H, Ishii N, Hashimoto T, Sawamura D, "Diaminodiphenyl Sulfone-Induced Hemolytic Anemia and Alopecia in a Case of Linear IgA Bullous Dermatosis", Case reports in dermatology, 2014 Jan .

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.