Previfem and Gildess fe 1/20 drug interactions - a phase IV clinical study of FDA data
Summary:
Drug interactions are reported among 113 people who take Previfem and Gildess fe 1/20. Common interactions include anxiety among females.
The phase IV clinical study analyzes what interactions people who take Previfem and Gildess fe 1/20 have. It is created by eHealthMe based on reports from the FDA, and is updated regularly. You may use the study as a second opinion to make health care decisions.
Phase IV trials are used to detect adverse drug outcomes and monitor drug effectiveness in the real world. With medical big data and AI algorithms, eHealthMe is running millions of phase IV trials and makes the results available to the public. Our original studies have been referenced on 700+ medical publications including The Lancet, Mayo Clinic Proceedings, and Nature.
113 people who take Previfem and Gildess fe 1/20 together, and have interactions are studied.
What is Previfem?
Previfem has active ingredients of ethinyl estradiol; norgestimate. It is used in birth control. Currently, eHealthMe is studying from 593 Previfem users.
What is Gildess fe 1/20?
Gildess fe 1/20 has active ingredients of ethinyl estradiol; norethindrone acetate. It is used in birth control. Currently, eHealthMe is studying from 184 Gildess fe 1/20 users.
Number of Previfem and Gildess fe 1/20 reports submitted per year:

Previfem and Gildess fe 1/20 drug interactions by gender *:
* Approximation only. Some reports may have incomplete information.
Do you take Previfem and Gildess fe 1/20?
Personalize this study to your gender and ageHow to use the study?
You can discuss the study with your doctor, to ensure that all drug risks and benefits are fully discussed and understood.
Related studies
Drug side effects by duration, gender and age:
- Previfem side effects (593 reports)
- Gildess fe 1/20 side effects (184 reports)
Common Previfem drug interactions:
- Previfem and Orsythia: 114 reports
- Previfem and Cyclafem 1/35: 113 reports
Browse interactions between Previfem and drugs from A to Z:
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 zCommon Gildess fe 1/20 drug interactions:
- Gildess fe 1/20 and Cyclafem 1/35: 113 reports
Browse interactions between Gildess fe 1/20 and drugs from A to Z:
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 zHow the study uses the data?
The study uses data from the FDA. It is based on ethinyl estradiol; norgestimate and ethinyl estradiol; norethindrone acetate (the active ingredients of Previfem and Gildess fe 1/20, respectively), and Previfem and Gildess fe 1/20 (the brand names). Other drugs that have the same active ingredients (e.g. generic drugs) are not considered. Dosage of drugs is not considered in the study. Patients in the study may take other drugs besides Previfem and Gildess fe 1/20.
Who is eHealthMe?
With medical big data and proven AI 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 700+ 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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