Nuvaring and Visual acuity reduced - a phase IV clinical study of FDA data

Summary:

Visual acuity reduced is reported as a side effect among people who take Nuvaring (ethinyl estradiol; etonogestrel), especially for people who are female, 20-29 old, have been taking the drug for 1 - 6 months also take Valtrex, and have Migraine.

The phase IV clinical study analyzes which people have Visual acuity reduced when taking Nuvaring. It is created by eHealthMe based on reports of 27,664 people who have side effects when taking Nuvaring from the FDA, and is updated regularly.

What is Nuvaring?

Nuvaring has active ingredients of ethinyl estradiol; etonogestrel. It is often used in birth control. eHealthMe is studying from 28,730 Nuvaring users. Check the latest studies of Nuvaring.

What is Visual acuity reduced?

Visual acuity reduced (reduced clearness of vision) is found to be associated with 1,491 drugs and 1,887 conditions by eHealthMe. Check the latest studies of Visual acuity reduced.

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, 26, 2026

27,664 people reported to have side effects when taking Nuvaring.
Among them, 49 people (0.18%) have Visual acuity reduced.

Could Nuvaring cause Visual acuity reduced?

Among these 49 people:

How long have people been on Nuvaring when they have Visual acuity reduced? *

What is the gender of people who have Visual acuity reduced when taking Nuvaring? *

female: 97.92 %
male: 2.08 %

What is the age of people who have Visual acuity reduced when taking Nuvaring? *

What are other drugs people take besides Nuvaring? *

Valtrex: 9 people, 18.37%
Ventolin: 8 people, 16.33%
Fioricet: 7 people, 14.29%
Tramadol Hydrochloride And Acetaminophen: 7 people, 14.29%
Hydrochlorothiazide: 5 people, 10.20%
Adderall 5: 4 people, 8.16%
Aspirin: 3 people, 6.12%
Lotensin: 3 people, 6.12%
Synthroid: 3 people, 6.12%
Motrin: 3 people, 6.12%

What are other side effects people have besides Visual acuity reduced? *

Migraine (headache): 25 people, 51.02%
Stroke (sudden death of a portion of the brain cells due to a lack of oxygen): 22 people, 44.90%
Headache (pain in head): 20 people, 40.82%
Vision Blurred: 15 people, 30.61%
Pulmonary Embolism (blockage of the main artery of the lung): 15 people, 30.61%
Asthma: 15 people, 30.61%
Nausea (feeling of having an urge to vomit): 14 people, 28.57%
Chest Pain: 14 people, 28.57%
Nausea And Vomiting: 14 people, 28.57%
Speech Impairment (Adult) (inability to speak (adult)): 13 people, 26.53%

What are the existing conditions these people have? *

Headache (pain in head): 3 people, 6.12%
Migraine (headache): 3 people, 6.12%
Menstrual Disorder (disease of menstrual cycle): 2 people, 4.08%
Menometrorrhagia (a condition in which prolonged or excessive uterine bleeding occurs irregularly and more frequently than normal): 1 person, 2.04%
Bleeding Disorders: 1 person, 2.04%
Cataplexy (loss of muscle tone accompanied by full conscious awareness): 1 person, 2.04%
Drowsiness: 1 person, 2.04%
Hypothyroidism (abnormally low activity of the thyroid gland, resulting in retardation of growth and mental development): 1 person, 2.04%
Impaired Gastric Emptying: 1 person, 2.04%
Lung Cancer - Small Cell (lung cancer): 1 person, 2.04%

* Approximation only. Some reports may have incomplete information.

Do you take Nuvaring and have Visual acuity reduced?

- Check whether Visual acuity reduced 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 Nuvaring:

Nuvaring (28,730 reports)

Visual acuity reduced treatments and more:

Visual acuity reduced (45,479 reports)

How severe was Visual acuity reduced and when was it recovered:

Visual acuity reduced in Nuvaring

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

Visual acuity reduced and drugs with ingredients of ethinyl estradiol; etonogestrel

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 Nuvaring:

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 Visual acuity reduced:

Visual acuity reduced (1,491 drugs)

Browse all the conditions that are associated with Visual acuity reduced:

Visual acuity reduced (1,887 conditions)

How the study uses the data?

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