Cryselle and Fever - a phase IV clinical study of FDA data

Summary:

Fever is reported as a side effect among people who take Cryselle (ethinyl estradiol; norgestrel), especially for people who are female, 20-29 old, also take Flexeril, and have Humoral immune defect.

The phase IV clinical study analyzes which people have Fever when taking Cryselle. It is created by eHealthMe based on reports of 570 people who have side effects when taking Cryselle from the FDA, and is updated regularly.

What is Cryselle?

Cryselle has active ingredients of ethinyl estradiol; norgestrel. It is often used in birth control. eHealthMe is studying from 673 Cryselle users. Check the latest studies of Cryselle.

What is Fever?

Fever is found to be associated with 3,495 drugs and 6,196 conditions by eHealthMe. Check the latest studies of Fever.



On Jul, 19, 2026

570 people reported to have side effects when taking Cryselle.
Among them, 15 people (2.63%) have Fever.

Could Cryselle cause Fever?

Among these 15 people:

What is the gender of people who have Fever when taking Cryselle? *

  • female: 100 %
  • male: 0.0 %

What is the age of people who have Fever when taking Cryselle? *

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 0.0 %
  • 20-29: 61.54 %
  • 30-39: 15.38 %
  • 40-49: 23.08 %
  • 50-59: 0.0 %
  • 60+: 0.0 %

What are other drugs people take besides Cryselle? *

  1. Flexeril: 4 people, 26.67%
  2. Vitamin D3: 3 people, 20.00%
  3. Epipen: 3 people, 20.00%
  4. Requip: 2 people, 13.33%
  5. Fioricet: 2 people, 13.33%
  6. Imitrex: 2 people, 13.33%
  7. Xanax: 2 people, 13.33%
  8. Nasacort: 2 people, 13.33%
  9. Hizentra: 2 people, 13.33%
  10. Prevacid: 2 people, 13.33%

What are other side effects people have besides Fever? *

  1. Headache (pain in head): 5 people, 33.33%
  2. Dizziness: 5 people, 33.33%
  3. Rashes (redness): 4 people, 26.67%
  4. Pain: 4 people, 26.67%
  5. Weakness: 3 people, 20.00%
  6. Fatigue (feeling of tiredness): 3 people, 20.00%
  7. Hypersensitivity: 3 people, 20.00%
  8. Sinusitis (inflammation of sinus): 3 people, 20.00%
  9. Oropharyngeal Pain: 3 people, 20.00%
  10. Stress And Anxiety: 3 people, 20.00%

What are the existing conditions these people have? *

  1. Otitis Media Chronic (long lasting inflammation of the middle ear): 2 people, 13.33%
  2. Hypogammaglobulinaemia (an abnormally low concentration of gamma globulin in the blood and increased risk of infection): 2 people, 13.33%
  3. Humoral Immune Defect (impairment of humoral immunity): 2 people, 13.33%
  4. Ulcerative Colitis (inflammatory bowel disease (ibd). it causes swelling, ulcerations, and loss of function of the large intestine): 1 person, 6.67%
  5. Psoriatic Arthropathy (inflammation of the skin and joints with kin condition which typically causes patches (plaques) of red, scaly skin to develop): 1 person, 6.67%
  6. Pain: 1 person, 6.67%
  7. Muscle Spasms (muscle contraction): 1 person, 6.67%
  8. Immunodeficiency: 1 person, 6.67%
  9. Hypersensitivity: 1 person, 6.67%
  10. Fatigue (feeling of tiredness): 1 person, 6.67%

* Approximation only. Some reports may have incomplete information.

Do you take Cryselle and have Fever?

- Check whether Fever 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 Cryselle:

Fever treatments and more:

  • Fever (498,666 reports)

How severe was Fever and when was it recovered:

Expand to all the drugs that have ingredients of ethinyl estradiol; norgestrel:

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 Cryselle:

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 Fever:

Browse all the conditions that are associated with Fever:

  • Fever (6,196 conditions)

Related publications that referenced our studies


How the study uses the data?

The study uses data from the FDA. It is based on ethinyl estradiol; norgestrel (the active ingredients of Cryselle) and Cryselle (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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