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

Summary:

Serum sickness is reported as a side effect among people who take Clonidine (clonidine), especially for people who are male, 50-59 old, have been taking the drug for < 1 month also take Gabapentin, and have Convulsion.

The phase IV clinical study analyzes which people have Serum sickness when taking Clonidine. It is created by eHealthMe based on reports of 63,883 people who have side effects when taking Clonidine from the FDA, and is updated regularly.

What is Clonidine?

Clonidine has active ingredients of clonidine. It is often used in high blood pressure. eHealthMe is studying from 65,644 Clonidine users. Check the latest studies of Clonidine.

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 269 drugs and 489 conditions by eHealthMe. Check the latest studies of Serum sickness.

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, 14, 2026

63,883 people reported to have side effects when taking Clonidine.
Among them, 17 people (0.03%) have Serum sickness.

Among these 17 people:

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

What is the gender of people who have Serum sickness when taking Clonidine? *

female: 50 %
male: 50 %

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

What are other drugs people take besides Clonidine? *

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

Pain In Jaw: 6 people, 35.29%
Fever: 6 people, 35.29%
Disseminated Intravascular Coagulation (systemic activation of blood coagulation): 5 people, 29.41%
Acute Kidney Failure: 5 people, 29.41%
Stress And Anxiety: 5 people, 29.41%
Intervertebral Disc Degeneration (spinal disc degeneration): 5 people, 29.41%
Hypotension (abnormally low blood pressure): 5 people, 29.41%
Dermatitis Exfoliative (widespread scaling of the skin, often with itching (pruritus), skin redness (erythroderma), and hair loss): 5 people, 29.41%
Depression: 5 people, 29.41%
Convulsion (muscles contract and relax rapidly and repeatedly, resulting in an uncontrolled shaking of the body): 5 people, 29.41%

What are the existing conditions these people have? *

Convulsion (muscles contract and relax rapidly and repeatedly, resulting in an uncontrolled shaking of the body): 5 people, 29.41%
Opsoclonus Myoclonus (a rare neurological disorder of unknown causes which appears to be the result of an autoimmune process involving the nervous system): 3 people, 17.65%
Kidney Transplant Rejection: 2 people, 11.76%
Heart Transplant Rejection: 2 people, 11.76%
Staphylococcal Infection (an infection with staphylococcus bacteria): 1 person, 5.88%
Pain: 1 person, 5.88%
Hypogammaglobulinaemia (an abnormally low concentration of gamma globulin in the blood and increased risk of infection): 1 person, 5.88%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 1 person, 5.88%

* Approximation only. Some reports may have incomplete information.

Do you take Clonidine 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 Clonidine:

Clonidine (65,644 reports)

Serum sickness treatments and more:

Serum sickness (3,679 reports)

Browse all side effects of Clonidine:

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:

Serum sickness (269 drugs)

Browse all the conditions that are associated with Serum sickness:

Serum sickness (489 conditions)

Related publications that referenced our studies

Teimoory M, Arefi M, Behnoush B, Bastani B, "Promethazine and Treatment Refractory Agitation in Clonidine Toxicity", International Journal of Medical Toxicology and Forensic Medicine, 2013 Mar .
Teimoory M, Arefi M, Behnoush B, Bastani B, "Promethazine and Treatment Refractory Agitation in Clonidine Toxicity", International Journal of Medical Toxicology and Forensic Medicine, 2013 Mar .

How the study uses the data?

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