Previfem and Nausea and vomiting - a phase IV clinical study of FDA data

Summary:

Nausea and vomiting is reported as a side effect among people who take Previfem (ethinyl estradiol; norgestimate), especially for people who are female, 10-19 old, have been taking the drug for < 1 month also take Yaz, and have Premenstrual syndrome.

The phase IV clinical study analyzes which people have Nausea and vomiting when taking Previfem. It is created by eHealthMe based on reports of 526 people who have side effects when taking Previfem from the FDA, and is updated regularly.

What is Previfem?

Previfem has active ingredients of ethinyl estradiol; norgestimate. It is often used in birth control. eHealthMe is studying from 602 Previfem users. Check the latest studies of Previfem.

What is Nausea and vomiting?

Nausea and vomiting is found to be associated with 3,712 drugs and 5,746 conditions by eHealthMe. Check the latest studies of Nausea and vomiting.

eHealthMe: drug outcomes in the real world

eHealthMe runs one of the largest post-marketing drug safety studies in the world. We study millions of patients and 5,000 more each day. Our data-driven phase IV clinical trials have been referenced on 800+ peer-reviewed medical publications including The Lancet, Mayo Clinic Proceedings, and Nature. Tools to study our phase IV findings are available to the public, anonymous and free >>>.

On Aug, 27, 2026

526 people reported to have side effects when taking Previfem.
Among them, 21 people (3.99%) have Nausea and vomiting.

Could Previfem cause Nausea and vomiting?

Among these 21 people:

How long have people been on Previfem when they have Nausea and vomiting? *

What is the gender of people who have Nausea and vomiting when taking Previfem? *

female: 94.74 %
male: 5.26 %

What is the age of people who have Nausea and vomiting when taking Previfem? *

What are other drugs people take besides Previfem? *

What are other side effects people have besides Nausea and vomiting? *

Nausea (feeling of having an urge to vomit): 14 people, 66.67%
Abdominal Pain: 6 people, 28.57%
Biliary Dyskinesia (motility disorder that affects the gallbladder and sphincter of oddi): 5 people, 23.81%
Gallbladder Disease: 4 people, 19.05%
Diarrhea: 4 people, 19.05%
Fever: 3 people, 14.29%
Chills (felling of cold): 2 people, 9.52%
Gallstones (stone formation by bile component): 2 people, 9.52%
Gallbladder Cholesterolosis (accumulation and deposition of cholesterol inside of the): 1 person, 4.76%
Feeling Drunk: 1 person, 4.76%

What are the existing conditions these people have? *

Metastatic Malignant Melanoma (spreadable cancer tumour of melanine): 4 people, 19.05%
Premenstrual Syndrome: 4 people, 19.05%
Vaginal Infection: 1 person, 4.76%
Asthma: 1 person, 4.76%
Attention Deficit Hyperactivity Disorder (a chronic condition including attention difficulty, hyperactivity, and impulsiveness): 1 person, 4.76%
Cellulitis (infection under the skin): 1 person, 4.76%
Convulsion (muscles contract and relax rapidly and repeatedly, resulting in an uncontrolled shaking of the body): 1 person, 4.76%
Epilepsy (common and diverse set of chronic neurological disorders characterized by seizures): 1 person, 4.76%
Hypothyroidism (abnormally low activity of the thyroid gland, resulting in retardation of growth and mental development): 1 person, 4.76%
Migraine (headache): 1 person, 4.76%

* Approximation only. Some reports may have incomplete information.

Do you take Previfem and have Nausea and vomiting?

- Check whether Nausea and vomiting 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 Previfem:

Previfem (602 reports)

Nausea and vomiting treatments and more:

Nausea and vomiting (529,395 reports)

How severe was Nausea and vomiting and when was it recovered:

Nausea and vomiting in Previfem

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

Nausea and vomiting and drugs with ingredients of ethinyl estradiol; norgestimate (676 reports)

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 Previfem:

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 Nausea and vomiting:

Nausea and vomiting (3,712 drugs)

Browse all the conditions that are associated with Nausea and vomiting:

Nausea and vomiting (5,746 conditions)

How the study uses the data?

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