Quetiapine fumarate and Formication - a phase IV clinical study of FDA data

Summary:

Formication is reported as a side effect among people who take Quetiapine fumarate (quetiapine fumarate), especially for people who are female, 40-49 old, have been taking the drug for 1 - 6 months also take Fluoxetine, and have Acute psychosis.

The phase IV clinical study analyzes which people have Formication when taking Quetiapine fumarate. It is created by eHealthMe based on reports of 28,437 people who have side effects when taking Quetiapine fumarate from the FDA, and is updated regularly.

What is Quetiapine fumarate?

Quetiapine fumarate has active ingredients of quetiapine fumarate. It is often used in insomnia. eHealthMe is studying from 29,527 Quetiapine fumarate users. Check the latest studies of Quetiapine fumarate.

What is Formication?

Formication (a sensation that exactly resembles that of small insects crawling on (or under) the skin) is found to be associated with 553 drugs and 918 conditions by eHealthMe. Check the latest studies of Formication.

On Aug, 11, 2026

28,437 people reported to have side effects when taking Quetiapine fumarate.
Among them, 11 people (0.04%) have Formication.

Could Quetiapine fumarate cause Formication?

Among these 11 people:

How long have people been on Quetiapine fumarate when they have Formication? *

What is the gender of people who have Formication when taking Quetiapine fumarate? *

female: 100 %
male: 0.0 %

What is the age of people who have Formication when taking Quetiapine fumarate? *

What are other drugs people take besides Quetiapine fumarate? *

Fluoxetine: 3 people, 27.27%
Buscopan: 2 people, 18.18%
Zopiclone: 1 person, 9.09%
Xyrem: 1 person, 9.09%
Albuterol: 1 person, 9.09%
Allegra: 1 person, 9.09%
Alprazolam: 1 person, 9.09%
Bupropion Hydrochloride: 1 person, 9.09%
Carisoprodol: 1 person, 9.09%
Clonazepam: 1 person, 9.09%

What are other side effects people have besides Formication? *

Stress And Anxiety: 3 people, 27.27%
Itching: 2 people, 18.18%
Pain In Extremity: 2 people, 18.18%
Paranoia (psychotic disorder characterized by delusions of persecution with or without grandeur): 2 people, 18.18%
Pruritus Generalised (generalized itching): 2 people, 18.18%
Fatigue (feeling of tiredness): 2 people, 18.18%
Feeling Abnormal: 2 people, 18.18%
Blister Infected (infection of small pocket of fluid within the upper layers of the skin caused by forceful rubbing (friction), burning, freezing, chemical exposure): 2 people, 18.18%
Drowsiness: 2 people, 18.18%
Agitation (state of anxiety or nervous excitement): 2 people, 18.18%

What are the existing conditions these people have? *

Generalized Anxiety Disorder (excessive, uncontrollable, unexplained and often irrational worry): 2 people, 18.18%
Acute Psychosis (period of mentally unstable behaviour): 2 people, 18.18%
Systemic Lupus Erythematosus (an autoimmune disease, which means the body's immune system mistakenly, attacks healthy tissue): 1 person, 9.09%
Stress And Anxiety: 1 person, 9.09%
Post-Traumatic Stress Disorder: 1 person, 9.09%
Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 1 person, 9.09%
Hyperthyroidism (over activity of the thyroid gland): 1 person, 9.09%
High Blood Pressure: 1 person, 9.09%
Fibromyalgia (a long-term condition which causes pain all over the body): 1 person, 9.09%
Diabetes: 1 person, 9.09%

* Approximation only. Some reports may have incomplete information.

Do you take Quetiapine fumarate and have Formication?

- Check whether Formication 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 Quetiapine fumarate:

Quetiapine fumarate (29,527 reports)

Formication treatments and more:

Formication (8,246 reports)

Browse all side effects of Quetiapine fumarate:

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 Formication:

Formication (553 drugs)

Browse all the conditions that are associated with Formication:

Formication (918 conditions)

Related publications that referenced our studies

How the study uses the data?

The study uses data from the FDA. It is based on quetiapine fumarate (the active ingredients of Quetiapine fumarate) and Quetiapine fumarate (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.