Bactrim ds and Nuvaring drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Bactrim ds (sulfamethoxazole; trimethoprim) and Nuvaring (ethinyl estradiol; etonogestrel). Common drug interactions include pulmonary embolism among females.

The phase IV clinical study analyzes what interactions people have when they take Bactrim ds and Nuvaring. It is created by eHealthMe based on reports of 34 people who take the same drugs from the FDA, and is updated regularly.

What is Bactrim ds?

Bactrim ds has active ingredients of sulfamethoxazole; trimethoprim. It is often used in urinary tract infection. eHealthMe is studying from 17,027 Bactrim ds users. Check the latest studies of Bactrim ds.

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.

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, 22, 2026

34 people who take Bactrim ds and Nuvaring together, and have interactions are studied.

Bactrim ds and Nuvaring drug interactions.

What are the common drug interactions of Bactrim Ds and Nuvaring, by gender? *:

female:

Pulmonary embolism (blockage of the main artery of the lung)
Iron deficiency anaemia
Hypokalaemia (low potassium)
Uterine enlargement
Uterine malposition
Vulvovaginal mycotic infection (vulvovaginal fungal infection)
Cervical dysplasia (abnormal changes in the cells on the surface of the cervix)
Injury
International normalised ratio increased
Peptic ulcer

male:

n/a

What are the common drug interactions of Bactrim Ds and Nuvaring, by age (0-1 to 60+)? *:

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

Coeliac disease (simple food intolerance)
Dysmenorrhoea (painful menstruation)
Hilar lymphadenopathy (disease of the lymph nodes due to infection)
Histoplasmosis (infection caused by breathing in spores of a fungus)
Iron deficiency anaemia
Menorrhagia (an abnormally heavy bleeding and prolonged menstrual period at regular intervals)
Pulmonary embolism (blockage of the main artery of the lung)
Uterine enlargement
Uterine malposition
Cervical dysplasia (abnormal changes in the cells on the surface of the cervix)

30-39:

n/a

40-49:

Insomnia (sleeplessness)
Loss of consciousness
Lyme disease (a bacterial infection that is spread to humans by infected ticks)
Mitral valve incompetence (inefficient heart valve)
Mobility decreased (ability to move is reduced)
Nausea (feeling of having an urge to vomit)
Nocturnal dyspnoea (attacks of severe shortness of breath and coughing that generally occur at night)
Nuclear magnetic resonance imaging brain
Oedema peripheral (superficial swelling)
Piriformis syndrome (neuromuscular disorder that occurs when the sciatic nerve is compressed)

50-59:

Dry skin
Fungal infection
Pneumonia

60+:

Abdominal pain lower
Accident at work
Depression
Dizziness
Dyspnoea (difficult or laboured respiration)
Dysuria (painful or difficult urination)
Encephalopathy (functioning of the brain is affected by some agent or condition)
Hangover
Head injury
Hypokalaemia (low potassium)

What are the existing conditions these people have? *

Uterine Leiomyoma (uterine benign tumour derived from smooth muscle): 9 people, 26.47%
Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 8 people, 23.53%
Cataplexy (loss of muscle tone accompanied by full conscious awareness): 8 people, 23.53%
Pulmonary Embolism (blockage of the main artery of the lung): 6 people, 17.65%
Stress And Anxiety: 3 people, 8.82%
Depression: 3 people, 8.82%
Vulvovaginal Mycotic Infection (vulvovaginal fungal infection): 2 people, 5.88%
Nausea (feeling of having an urge to vomit): 2 people, 5.88%
Multiple Myeloma (cancer of the plasma cells): 2 people, 5.88%
Hypothyroidism (abnormally low activity of the thyroid gland, resulting in retardation of growth and mental development): 2 people, 5.88%

* Approximation only. Some reports may have incomplete information.

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