1. Home
  2. Analysis
  3. Cytomel
  4. Colestid

Cytomel and Colestid drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Cytomel (liothyronine sodium) and Colestid (colestipol hydrochloride). Common drug interactions include intervertebral disc protrusion among females.

The phase IV clinical study analyzes what interactions people have when they take Cytomel and Colestid. It is created by eHealthMe based on reports of 13 people who take the same drugs from the FDA, and is updated regularly.

What is Cytomel?

Cytomel has active ingredients of liothyronine sodium. It is often used in hypothyroidism. eHealthMe is studying from 7,595 Cytomel users. Check the latest studies of Cytomel.

What is Colestid?

Colestid has active ingredients of colestipol hydrochloride. It is often used in irritable bowel syndrome. eHealthMe is studying from 2,233 Colestid users. Check the latest studies of Colestid.

On Jul, 14, 2026

13 people who take Cytomel and Colestid together, and have interactions are studied.

Cytomel and Colestid drug interactions.

What are the common drug interactions of Cytomel and Colestid, by gender? *:

female:

  1. Intervertebral disc protrusion (spinal disc protrusion)
  2. Nerve injury
  3. Blister (small pocket of fluid within the upper layers of the skin caused by forceful rubbing (friction), burning, freezing, chemical exposure)
  4. Cardiac failure congestive
  5. Cerebrovascular accident (sudden death of some brain cells due to lack of oxygen when the blood flow to the brain is impaired by blockage or rupture)
  6. Dehydration (dryness resulting from the removal of water)
  7. Head injury
  8. Heart rate decreased
  9. Herpes virus infection
  10. Hospitalisation

male:

n/a

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

n/a

30-39:

n/a

40-49:

n/a

50-59:

  1. Blister (small pocket of fluid within the upper layers of the skin caused by forceful rubbing (friction), burning, freezing, chemical exposure)
  2. Drug ineffective
  3. Herpes virus infection
  4. Malabsorption (a state arising from abnormality in absorption of food nutrients across the gastrointestinal (gi) tract)
  5. Rash

60+:

n/a

What are the existing conditions these people have? *

  1. Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 10 people, 76.92%
  2. Cataplexy (loss of muscle tone accompanied by full conscious awareness): 9 people, 69.23%
  3. Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 1 person, 7.69%
  4. Indigestion: 1 person, 7.69%
  5. Genital Herpes (herpes infection of genital): 1 person, 7.69%
  6. Affective Disorder (mental disorder): 1 person, 7.69%

* Approximation only. Some reports may have incomplete information.

Do you take Cytomel and Colestid?

- Personalize this study to your gender, age, symptoms and drugs
- Predict drug outcomes for up to one year with AI
- Get an AI agent to monitor your drugs continuously

Related studies:

Effectiveness of, side effects of, and alternative drugs to the 2 drugs:

Browse all drug interactions of Cytomel and Colestid:

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

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 Cytomel:

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 side effects of Colestid:

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 interactions between Cytomel and drugs from A to Z:

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 interactions between Colestid and drugs from A to Z:

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

How the study uses the data?

The study uses data from the FDA. It is based on liothyronine sodium and colestipol hydrochloride (the active ingredients of Cytomel and Colestid, respectively), and Cytomel and Colestid (the brand names). 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.

Recent studies on eHealthMe:

© 2026 eHealthMe.com. All rights reserved. Use of this site constitutes acceptance of eHealthMe.com's terms of service and privacy policy.