Ovcon-35 and Singulair drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Ovcon-35 (ethinyl estradiol; norethindrone) and Singulair (montelukast sodium). Common drug interactions include nausea among females.

The phase IV clinical study analyzes what interactions people have when they take Ovcon-35 and Singulair. It is created by eHealthMe based on reports of 20 people who take the same drugs from the FDA, and is updated regularly.

What is Ovcon-35?

Ovcon-35 has active ingredients of ethinyl estradiol; norethindrone. It is often used in birth control. eHealthMe is studying from 378 Ovcon-35 users. Check the latest studies of Ovcon-35.

What is Singulair?

Singulair has active ingredients of montelukast sodium. It is often used in asthma. eHealthMe is studying from 129,752 Singulair users. Check the latest studies of Singulair.

On Jul, 08, 2026

20 people who take Ovcon-35 and Singulair together, and have interactions are studied.

Ovcon-35 and Singulair drug interactions.

What are the common drug interactions of Ovcon-35 and Singulair, by gender? *:

female:

Nausea (feeling of having an urge to vomit)
Vomiting
Weight increased
Abdominal pain
Gastrooesophageal reflux disease (stomach contents (food or liquid) leak backwards from the stomach into the oesophagus)
Menstruation irregular
Pelvic pain
Depression
Disturbance in attention
Anxiety

male:

n/a

What are the common drug interactions of Ovcon-35 and Singulair, by age (0-1 to 60+)? *:

0-1:

n/a

2-9:

n/a

10-19:

Blood immunoglobulin g decreased
Hypogammaglobulinaemia (an abnormally low concentration of gamma globulin in the blood and increased risk of infection)
Nausea (feeling of having an urge to vomit)
Pyrexia (fever)
Sinusitis (inflammation of sinus)
Vomiting

20-29:

Abdominal discomfort
Abdominal pain
Abdominal pain upper
Abdominal tenderness
Biliary dyskinesia (motility disorder that affects the gallbladder and sphincter of oddi)
Cholecystitis chronic (long lasting infection of gallbladder)
Epigastric discomfort
Gastrooesophageal reflux disease (stomach contents (food or liquid) leak backwards from the stomach into the oesophagus)
Menstruation irregular
Nausea (feeling of having an urge to vomit)

30-39:

Abdominal pain
Loss of consciousness
Nausea (feeling of having an urge to vomit)
Back pain
Cholecystitis (infection of gallbladder)
Cholelithiasis (the presence or formation of gallstones in the gallbladder or bile ducts)
Decreased appetite
Emotional distress
Gastrointestinal disorder (functional problems of gastrointestinal tract)
Gastrointestinal disorder postoperative (functional problems of gastrointestinal tract after surgery)

40-49:

Retinal haemorrhage (bleeding from retina)

50-59:

n/a

60+:

n/a

What are the existing conditions these people have? *

Premenstrual Syndrome: 8 people, 40.00%
Acne (skin problems that cause pimples): 6 people, 30.00%
Herpes Simplex (herpes simplex is a common viral infection): 6 people, 30.00%
Acne Cystic (skin problems that cause pimples): 6 people, 30.00%
Polycystic Ovary Disease (cysts in the ovaries that occurs when the follicle stops developing): 6 people, 30.00%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 4 people, 20.00%
Restless Leg Syndrome (a powerful urge to move your legs): 3 people, 15.00%
Pain: 3 people, 15.00%
Depression: 3 people, 15.00%
Cough: 2 people, 10.00%

* Approximation only. Some reports may have incomplete information.

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