Review: could Montelukast Sodium cause Constipation?


Constipation is found among people who take Montelukast Sodium, especially for people who are female, 40-49 old , have been taking the drug for 5 - 10 years, also take medication Chantix, and have Smoking cessation therapy . We study 3,137 people who have side effects while taking Montelukast sodium from FDA and social media. Among them, 65 have Constipation. Find out below who they are, when they have Constipation and more.

You are not alone

Join a support group for people who take Montelukast sodium and have Constipation >>>

Personalized health information

On eHealthMe you can find out what patients like me (same gender, age) reported their drugs and conditions on FDA and social media since 1977. Our tools are free and anonymous. 86 million people have used us. 300+ peer-reviewed medical journals have referenced our original studies. Start now >>>

Montelukast Sodium

Montelukast sodium has active ingredients of montelukast. It is often used in asthma. (latest outcomes from Montelukast sodium 3,132 users)


Constipation has been reported by people with breathing difficulty, fever, abdominal pain, diarrhea, urobilinogen urine increased (latest reports from 77,060 Constipation patients).

On Jul, 20, 2016

3,137 people reported to have side effects when taking Montelukast Sodium.
Among them, 65 people (2.07%) have Constipation

Number of reports submitted per year:

Could Montelukast sodium cause Constipation?

Time on Montelukast Sodium when people have Constipation *:

  • < 1 month: 0.0 %
  • 1 - 6 months: 0.0 %
  • 6 - 12 months: 25 %
  • 1 - 2 years: 0.0 %
  • 2 - 5 years: 0.0 %
  • 5 - 10 years: 50 %
  • 10+ years: 25 %

Gender of people who have Constipation when taking Montelukast Sodium *:

  • female: 92.45 %
  • male: 7.55 %

Age of people who have Constipation when taking Montelukast Sodium *:

  • 0-1: 2.7 %
  • 2-9: 0.0 %
  • 10-19: 2.7 %
  • 20-29: 2.7 %
  • 30-39: 10.81 %
  • 40-49: 29.73 %
  • 50-59: 27.03 %
  • 60+: 24.32 %

Severity if Constipation when taking Montelukast Sodium **:

  • least: 0.0 %
  • moderate: 75 %
  • severe: 0.0 %
  • most severe: 25 %

How people recovered from Constipation **:

  • while on drug: 0.0 %
  • after off the drug: 0.0 %
  • not yet: 100 %

Top conditions involved for these people *:

  • Smoking Cessation Therapy (26 people)
  • Irritable Bowel Syndrome (16 people)
  • Asthma (16 people)
  • Breast Cancer Metastatic (14 people)
  • Hypertension (7 people)

Top co-used drugs for these people *:

  • Chantix (28 people)
  • Ambien (20 people)
  • Synthroid (19 people)
  • Spiriva (18 people)
  • Zyrtec (17 people)

* Approximation only. Some reports may have incomplete information.

** Reports from social media are used.

How to use the study: print a copy of the study and bring it to your health teams to ensure drug risks and benefits are fully discussed and understood.

Do you have Constipation when taking Montelukast sodium?

Browse all side effects of Montelukast sodium

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

Drugs that are associated with Constipation


Could your condition cause Constipation


Can you answer these questions?

More questions for: Montelukast sodium, Constipation

You may be interested in these reviews

More reviews for: Montelukast sodium, Constipation

NOTE: The study is based on active ingredients and brand name. Other drugs that have the same active ingredients (e.g. generic drugs) are NOT considered.

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 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, and has not been supported by scientific studies or clinical trials unless otherwise stated. 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.

You may report adverse side effects to the FDA at or 1-800-FDA-1088 (1-800-332-1088).

If you use this eHealthMe study on publication, please acknowledge it with a citation: study title, URL, accessed date.