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Cefdinir and Serum sickness - a phase IV clinical study of FDA data

Summary:

Serum sickness is reported as a side effect among people who take Cefdinir (cefdinir), especially for people who are female, 2-9 old, have been taking the drug for < 1 month also take Cimetidine, and have Immunodeficiency common variable.

The phase IV clinical study analyzes which people have Serum sickness when taking Cefdinir. It is created by eHealthMe based on reports of 8,699 people who have side effects when taking Cefdinir from the FDA, and is updated regularly.

What is Cefdinir?

Cefdinir has active ingredients of cefdinir. It is often used in sinusitis. eHealthMe is studying from 9,210 Cefdinir users. Check the latest studies of Cefdinir.

What is Serum sickness?

Serum sickness (hypersensitivity reaction that results from the injection of heterologous or foreign protein or serum) is found to be associated with 273 drugs and 488 conditions by eHealthMe. Check the latest studies of Serum sickness.

On Jul, 07, 2026

8,699 people reported to have side effects when taking Cefdinir.
Among them, 15 people (0.17%) have Serum sickness.

Could Cefdinir cause Serum sickness?

Among these 15 people:

How long have people been on Cefdinir when they have Serum sickness? *

  • < 1 month: 75 %
  • 1 - 6 months: 25 %
  • 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 Serum sickness when taking Cefdinir? *

  • female: 63.64 %
  • male: 36.36 %

What is the age of people who have Serum sickness when taking Cefdinir? *

  • 0-1: 0.0 %
  • 2-9: 85.71 %
  • 10-19: 0.0 %
  • 20-29: 0.0 %
  • 30-39: 14.29 %
  • 40-49: 0.0 %
  • 50-59: 0.0 %
  • 60+: 0.0 %

What are other drugs people take besides Cefdinir? *

  1. Xyzal Allergy 24hr: 3 people, 20.00%
  2. Minocycline: 3 people, 20.00%
  3. Flonase Allergy Relief: 3 people, 20.00%
  4. Cimetidine: 3 people, 20.00%
  5. Restoril: 1 person, 6.67%
  6. Remicade: 1 person, 6.67%
  7. Prochlorperazine Maleate: 1 person, 6.67%
  8. Nasonex: 1 person, 6.67%
  9. Lortab: 1 person, 6.67%
  10. Allegra: 1 person, 6.67%

What are other side effects people have besides Serum sickness? *

  1. Urticaria (rash of round, red welts on the skin that itch intensely): 4 people, 26.67%
  2. Pain: 3 people, 20.00%
  3. Swelling: 3 people, 20.00%
  4. Headache (pain in head): 2 people, 13.33%
  5. Itching: 2 people, 13.33%
  6. Joint Pain: 2 people, 13.33%
  7. Thrombosis (formation of a blood clot inside a blood vessel): 2 people, 13.33%
  8. Migraine (headache): 2 people, 13.33%
  9. Joint Swelling: 2 people, 13.33%
  10. Rashes (redness): 2 people, 13.33%

What are the existing conditions these people have? *

  1. Immunodeficiency Common Variable: 3 people, 20.00%
  2. Urinary Tract Infection: 1 person, 6.67%
  3. Ankylosing Spondylitis (type of arthritis affecting the spine): 1 person, 6.67%
  4. Adenoidal Hypertrophy (enlarged adenoids): 1 person, 6.67%

* Approximation only. Some reports may have incomplete information.

Do you take Cefdinir and have Serum sickness?

- Check whether Serum sickness 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 Cefdinir:

Serum sickness treatments and more:

How severe was Serum sickness and when was it recovered:

Expand to all the drugs that have ingredients of cefdinir:

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 Cefdinir:

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 Serum sickness:

Browse all the conditions that are associated with Serum sickness:

How the study uses the data?

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