Catapres and Uniphyl drug interactions - a phase IV clinical study of FDA data

Summary:

The phase IV clinical study analyzes what interactions people have when they take Catapres and Uniphyl. It is created by eHealthMe based on reports of 2 people who take the same drugs from the FDA, and is updated regularly.

What is Catapres?

Catapres has active ingredients of clonidine hydrochloride. It is often used in high blood pressure. eHealthMe is studying from 6,680 Catapres users. Check the latest studies of Catapres.

What is Uniphyl?

Uniphyl has active ingredients of theophylline. eHealthMe is studying from 3,086 Uniphyl users. Check the latest studies of Uniphyl.



On Jan, 22, 2026

2 people who take Catapres and Uniphyl together, and have interactions are studied.

Catapres and Uniphyl drug interactions.

What are the common drug interactions of Catapres and Uniphyl, by gender? *:

female:

  1. Back pain
  2. Flushing (the warm, red condition of human skin)
  3. Oedema (fluid collection in tissue)
  4. Periodontitis (inflammation of the tissue around the teeth)
  5. Rib fracture
  6. Spinal fracture (fracture in one of vertebrae)

male:

n/a

What are the common drug interactions of Catapres and Uniphyl, 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. Back pain
  2. Flushing (the warm, red condition of human skin)
  3. Oedema (fluid collection in tissue)
  4. Periodontitis (inflammation of the tissue around the teeth)
  5. Rib fracture
  6. Spinal fracture (fracture in one of vertebrae)

60+:

n/a

* Approximation only. Some reports may have incomplete information.

Do you take Catapres and Uniphyl?

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Related studies:

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

Browse all drug interactions of Catapres and Uniphyl:

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 Catapres:

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 Uniphyl:

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 Catapres 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 Uniphyl 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

Related publications that referenced our studies


How the study uses the data?

The study uses data from the FDA. It is based on clonidine hydrochloride and theophylline (the active ingredients of Catapres and Uniphyl, respectively), and Catapres and Uniphyl (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.



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