Cefaclor and Constipation - a phase IV clinical study of FDA data

Summary:

Constipation is reported as a side effect among people who take Cefaclor (cefaclor), especially for people who are male, 60+ old, have been taking the drug for < 1 month also take Lactulose, and have Sleep disorder.

The phase IV clinical study analyzes which people have Constipation when taking Cefaclor. It is created by eHealthMe based on reports of 2,472 people who have side effects when taking Cefaclor from the FDA, and is updated regularly.

What is Cefaclor?

Cefaclor has active ingredients of cefaclor. eHealthMe is studying from 2,512 Cefaclor users. Check the latest studies of Cefaclor.

What is Constipation?

Constipation is found to be associated with 3,004 drugs and 4,597 conditions by eHealthMe. Check the latest studies of Constipation.



On Mar, 12, 2026

2,472 people reported to have side effects when taking Cefaclor.
Among them, 32 people (1.29%) have Constipation.

Could Cefaclor cause Constipation?

Among these 32 people:

How long have people been on Cefaclor when they have Constipation? *

  • < 1 month: 75 %
  • 1 - 6 months: 25 %
  • 6 - 12 months: 0.0 %
  • 1 - 2 years: 0.0 %
  • 2 - 5 years: 0.0 %
  • 5 - 10 years: 0.0 %
  • 10+ years: 0.0 %

What is the gender of people who have Constipation when taking Cefaclor? *

  • female: 40 %
  • male: 60 %

What is the age of people who have Constipation when taking Cefaclor? *

  • 0-1: 0.0 %
  • 2-9: 3.45 %
  • 10-19: 0.0 %
  • 20-29: 0.0 %
  • 30-39: 3.45 %
  • 40-49: 17.24 %
  • 50-59: 6.9 %
  • 60+: 68.97 %

What are other drugs people take besides Cefaclor? *

  1. Lactulose: 12 people, 37.50%
  2. Lasix: 9 people, 28.12%
  3. Lisinopril: 7 people, 21.88%
  4. Lipitor: 7 people, 21.88%
  5. Methylprednisolone: 7 people, 21.88%
  6. Folic Acid: 7 people, 21.88%
  7. Levofloxacin: 6 people, 18.75%
  8. Coumadin: 6 people, 18.75%
  9. Dexamethasone: 6 people, 18.75%
  10. Amlodipine: 6 people, 18.75%

What are other side effects people have besides Constipation? *

  1. Thrombocytopenia (decrease of platelets in blood): 10 people, 31.25%
  2. Chest Pain: 9 people, 28.12%
  3. Heart Palpitations (feelings or sensations that your heart is pounding or racing): 8 people, 25.00%
  4. Hypotension (abnormally low blood pressure): 8 people, 25.00%
  5. Diarrhea: 8 people, 25.00%
  6. Hypokalemia (low potassium): 8 people, 25.00%
  7. Cellulitis (infection under the skin): 8 people, 25.00%
  8. Weight Decreased: 7 people, 21.88%
  9. Anaemia (lack of blood): 7 people, 21.88%
  10. Back Pain: 7 people, 21.88%

What are the existing conditions these people have? *

  1. High Blood Pressure: 3 people, 9.38%
  2. Hyperlipidaemia (presence of excess lipids in the blood): 3 people, 9.38%
  3. Hyperuricaemia (level of uric acid in the blood that is abnormally high): 3 people, 9.38%
  4. Sleep Disorder: 3 people, 9.38%
  5. Insomnia (sleeplessness): 2 people, 6.25%
  6. Fever: 2 people, 6.25%
  7. Diabetes: 2 people, 6.25%
  8. Musculoskeletal Pain (pain affects the bones, muscles, ligaments, tendons, and nerves): 2 people, 6.25%
  9. Neck Pain: 2 people, 6.25%
  10. Osteopenia (a condition where bone mineral density is lower than normal): 2 people, 6.25%

* Approximation only. Some reports may have incomplete information.

Do you take Cefaclor and have Constipation?

- Check whether Constipation is associated with a drug or a condition
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Related studies:

Effectiveness of, long term effects of, and alternative drugs to Cefaclor:

Constipation treatments and more:

How severe was Constipation and when was it recovered:

Expand to all the drugs that have ingredients of cefaclor:

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 Cefaclor:

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 Constipation:

Browse all the conditions that are associated with Constipation:


How the study uses the data?

The study uses data from the FDA. It is based on cefaclor (the active ingredients of Cefaclor) and Cefaclor (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.



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