Seroquel and Basosquamous carcinoma - a phase IV clinical study of FDA data

Summary:

Basosquamous carcinoma is reported as a side effect among people who take Seroquel (quetiapine fumarate), especially for people who are male, 60+ old, have been taking the drug for < 1 month also take Aredia, and have Bone loss.

The phase IV clinical study analyzes which people have Basosquamous carcinoma when taking Seroquel. It is created by eHealthMe based on reports of 113,615 people who have side effects when taking Seroquel from the FDA, and is updated regularly.

What is Seroquel?

Seroquel has active ingredients of quetiapine fumarate. It is often used in bipolar disorder. eHealthMe is studying from 120,285 Seroquel users. Check the latest studies of Seroquel.

What is Basosquamous carcinoma?

Basosquamous carcinoma (metatypical basal cell cancer) is found to be associated with 54 drugs and 58 conditions by eHealthMe. Check the latest studies of Basosquamous carcinoma.



On Aug, 07, 2026

113,615 people reported to have side effects when taking Seroquel.
Among them, 18 people (0.02%) have Basosquamous carcinoma.

Could Seroquel cause Basosquamous carcinoma?

Among these 18 people:

How long have people been on Seroquel when they have Basosquamous carcinoma? *

  • < 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 Basosquamous carcinoma when taking Seroquel? *

  • female: 0.0 %
  • male: 100 %

What is the age of people who have Basosquamous carcinoma when taking Seroquel? *

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 0.0 %
  • 20-29: 0.0 %
  • 30-39: 0.0 %
  • 40-49: 0.0 %
  • 50-59: 20 %
  • 60+: 80 %

What are other drugs people take besides Seroquel? *

  1. Coumadin: 18 people, 100.00%
  2. Remeron: 18 people, 100.00%
  3. Zometa: 18 people, 100.00%
  4. Ativan: 18 people, 100.00%
  5. Effexor: 18 people, 100.00%
  6. Aspirin: 18 people, 100.00%
  7. Aredia: 18 people, 100.00%
  8. Cartia Xt: 16 people, 88.89%
  9. Cordarone: 15 people, 83.33%
  10. Prinivil: 15 people, 83.33%

What are other side effects people have besides Basosquamous carcinoma? *

  1. Osteonecrosis Of Jaw (death of bone of jaw): 18 people, 100.00%
  2. Stress And Anxiety: 18 people, 100.00%
  3. Injury: 18 people, 100.00%
  4. Iron Deficiency Anaemia: 18 people, 100.00%
  5. Diverticulum Intestinal (a pouch that is attached to the first part of the small intestine): 18 people, 100.00%
  6. Multiple Myeloma (cancer of the plasma cells): 18 people, 100.00%
  7. Pain: 18 people, 100.00%
  8. Pneumonia: 18 people, 100.00%
  9. Rectal Haemorrhage (bleeding from anus): 18 people, 100.00%
  10. High Blood Pressure: 18 people, 100.00%

What are the existing conditions these people have? *

  1. Osteoporosis (bones weak and more likely to break): 18 people, 100.00%
  2. Bone Loss: 18 people, 100.00%
  3. Sleep Disorder: 1 person, 5.56%
  4. Schizophrenia (a mental disorder characterized by a breakdown of thought processes): 1 person, 5.56%
  5. Post-Traumatic Stress Disorder: 1 person, 5.56%
  6. Panic Disorder: 1 person, 5.56%
  7. Grand Mal Convulsion (a type of generalized seizure that affects the entire brain): 1 person, 5.56%
  8. Convulsion (muscles contract and relax rapidly and repeatedly, resulting in an uncontrolled shaking of the body): 1 person, 5.56%
  9. Aplastic Anemia: 1 person, 5.56%

* Approximation only. Some reports may have incomplete information.

Do you take Seroquel and have Basosquamous carcinoma?

- Check whether Basosquamous carcinoma 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 Seroquel:

Basosquamous carcinoma treatments and more:

How severe was Basosquamous carcinoma and when was it recovered:

Expand to all the drugs that have ingredients of quetiapine fumarate:

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 Seroquel:

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 Basosquamous carcinoma:

Browse all the conditions that are associated with Basosquamous carcinoma:

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 Seroquel) and Seroquel (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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