Constipation in Sudafed - how severe and when it was recovered? (a real world drug study)

Summary:

We study how severe was Constipation, when it was recovered, drug effectiveness, race, and more among people who take Sudafed (pseudoephedrine hydrochloride). This phase IV clinical study is created by eHealthMe based on reports submitted to eHealthMe, and is updated regularly.

What is Sudafed?

Sudafed has active ingredients of pseudoephedrine hydrochloride. It is often used in nasal congestion. eHealthMe is studying from 12,944 Sudafed users. Check the latest studies of Sudafed.

What is Constipation?

Constipation is found to be associated with 3,004 drugs and 4,615 conditions by eHealthMe. Check the latest studies of Constipation.



On Aug, 02, 2026

11 people who have Constipation while taking Sudafed were studied.

Could Sudafed cause Constipation?

Severity of Constipation *:

  • least: 11.11 %
  • moderate: 66.67 %
  • severe: 22.22 %
  • most severe: 0.0 %

When people recovered from Constipation *:

  • while on drug: 0.0 %
  • after off the drug: 16.67 %
  • not yet: 83.33 %

Effectiveness of Sudafed *:

  • not at all: 0.0 %
  • somewhat: 37.5 %
  • moderate: 0.0 %
  • high: 50.0 %
  • very high: 12.5 %

Race of the people *:

  • African American, Non-Hispanic: 0.0 %
  • American Indian/Alaska Native: 10 %
  • Asian: 0.0 %
  • Hispanic: 0.0 %
  • Native Hawaiians/Pacific Islanders: 0.0 %
  • Two or more races: 0.0 %
  • White, Non-Hispanic: 90 %

Time on Sudafed *:

  • < 1 month: 25.0 %
  • 1 - 6 months: 25.0 %
  • 6 - 12 months: 0.0 %
  • 1 - 2 years: 12.5 %
  • 2 - 5 years: 0.0 %
  • 5 - 10 years: 25.0 %
  • 10+ years: 12.5 %

Gender of people when taking Sudafed *:

  • female: 72.73 %
  • male: 27.27 %

Age of people when taking Sudafed *:

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 0.0 %
  • 20-29: 9.09 %
  • 30-39: 27.27 %
  • 40-49: 36.36 %
  • 50-59: 27.27 %
  • 60+: 0.0 %

Conditions people have *:

  1. Sinusitis (inflammation of sinus): 3 people, 27.27%
  2. High Blood Pressure: 3 people, 27.27%
  3. High Blood Cholesterol: 2 people, 18.18%
  4. Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 2 people, 18.18%
  5. Weight Loss: 1 person, 9.09%
  6. Fatigue (feeling of tiredness): 1 person, 9.09%
  7. Hot Flush (sudden feelings of heat): 1 person, 9.09%
  8. Herpes Labialis (Oral Herpes Simplex) (intraoral hsv stomatitis): 1 person, 9.09%
  9. General Physical Health Deterioration (weak health status): 1 person, 9.09%
  10. Ear Barotrauma (discomfort and possible damage in the ear due to pressure differences between the inside and outside of the eardrum): 1 person, 9.09%

Other drugs people take besides Sudafed *:

  1. Advil: 2 people, 18.18%
  2. Claritin: 2 people, 18.18%
  3. Maxide: 2 people, 18.18%
  4. Effexor: 2 people, 18.18%
  5. Nasonex: 2 people, 18.18%
  6. Lisinopril: 2 people, 18.18%
  7. Omeprazole: 2 people, 18.18%
  8. Vitamin D: 2 people, 18.18%
  9. B12: 1 person, 9.09%
  10. Levothyroxine Thyroid: 1 person, 9.09%

Other side effects people have besides Constipation *:

  1. Fatigue (feeling of tiredness): 5 people, 45.45%
  2. Dizziness: 2 people, 18.18%
  3. Muscle Aches (muscle pain): 2 people, 18.18%
  4. Nausea (feeling of having an urge to vomit): 2 people, 18.18%
  5. Diarrhea: 2 people, 18.18%
  6. Weight Increased: 1 person, 9.09%
  7. Depressed Mood: 1 person, 9.09%
  8. Dry Mouth: 1 person, 9.09%
  9. Cough: 1 person, 9.09%
  10. High Blood Pressure: 1 person, 9.09%

* Approximation only. Some reports may have incomplete information.

Do you take Sudafed and have Constipation?

Check whether Constipation is associated with a drug or a condition

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.

Related studies

How the study uses the data?

The study is based on pseudoephedrine hydrochloride (the active ingredients of Sudafed). Other drugs that have the same active ingredients (e.g. generic drugs) are considered. Dosage of drugs is not considered in the study.

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.



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