Symbyax and Urticaria aggravated - a phase IV clinical study of FDA data

Summary:

Urticaria aggravated is reported as a side effect among people who take Symbyax (fluoxetine hydrochloride; olanzapine), especially for people who are female, 40-49 old, have been taking the drug for < 1 month also take Zyprexa, and have Psychotic disorder.

The phase IV clinical study analyzes which people have Urticaria aggravated when taking Symbyax. It is created by eHealthMe based on reports of 1,347 people who have side effects when taking Symbyax from the FDA, and is updated regularly.

What is Symbyax?

Symbyax has active ingredients of fluoxetine hydrochloride; olanzapine. It is often used in depression. eHealthMe is studying from 1,449 Symbyax users. Check the latest studies of Symbyax.

What is Urticaria aggravated?

Urticaria aggravated (rash of round, red welts on the skin that itch intensely) is found to be associated with 2,059 drugs and 720 conditions by eHealthMe. Check the latest studies of Urticaria aggravated.



On Jul, 08, 2026

1,347 people reported to have side effects when taking Symbyax.
Among them, 14 people (1.04%) have Urticaria aggravated.

Could Symbyax cause Urticaria aggravated?

Among these 14 people:

How long have people been on Symbyax when they have Urticaria aggravated? *

  • < 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 Urticaria aggravated when taking Symbyax? *

  • female: 71.43 %
  • male: 28.57 %

What is the age of people who have Urticaria aggravated when taking Symbyax? *

  • 0-1: 0.0 %
  • 2-9: 8.33 %
  • 10-19: 0.0 %
  • 20-29: 0.0 %
  • 30-39: 0.0 %
  • 40-49: 75.0 %
  • 50-59: 16.67 %
  • 60+: 0.0 %

What are other drugs people take besides Symbyax? *

  1. Zyprexa: 9 people, 64.29%
  2. Celexa: 8 people, 57.14%
  3. Depakote: 8 people, 57.14%
  4. Geodon: 8 people, 57.14%
  5. Paxil: 8 people, 57.14%
  6. Navane: 8 people, 57.14%
  7. Luvox: 8 people, 57.14%
  8. Lorazepam: 7 people, 50.00%
  9. Alprazolam: 7 people, 50.00%
  10. Risperidone: 7 people, 50.00%

What are other side effects people have besides Urticaria aggravated? *

  1. Weight Increased: 9 people, 64.29%
  2. Constipation: 8 people, 57.14%
  3. Gastric Ulcer (stomach ulcer): 8 people, 57.14%
  4. Confusional State: 8 people, 57.14%
  5. Hypoaesthesia (reduced sense of touch or sensation): 8 people, 57.14%
  6. Hormone Level Abnormal: 8 people, 57.14%
  7. High Blood Pressure: 8 people, 57.14%
  8. High Blood Cholesterol: 8 people, 57.14%
  9. Heavy Or Prolong Menstrual Bleeding: 8 people, 57.14%
  10. Ovarian Cysts (fluid filled sacs of the ovary): 8 people, 57.14%

What are the existing conditions these people have? *

  1. Psychotic Disorder: 6 people, 42.86%
  2. Schizophrenia (a mental disorder characterized by a breakdown of thought processes): 1 person, 7.14%

* Approximation only. Some reports may have incomplete information.

Do you take Symbyax and have Urticaria aggravated?

- Check whether Urticaria aggravated 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 Symbyax:

Urticaria aggravated treatments and more:

How severe was Urticaria aggravated and when was it recovered:

Expand to all the drugs that have ingredients of fluoxetine hydrochloride; olanzapine:

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 Symbyax:

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 Urticaria aggravated:

Browse all the conditions that are associated with Urticaria aggravated:


How the study uses the data?

The study uses data from the FDA. It is based on fluoxetine hydrochloride; olanzapine (the active ingredients of Symbyax) and Symbyax (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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