Flexeril and Daliresp drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Flexeril (cyclobenzaprine hydrochloride) and Daliresp (roflumilast). Common drug interactions include weight decreased among females and weight decreased among males.

The phase IV clinical study analyzes what interactions people have when they take Flexeril and Daliresp. It is created by eHealthMe based on reports of 53 people who take the same drugs from the FDA, and is updated regularly.

What is Flexeril?

Flexeril has active ingredients of cyclobenzaprine hydrochloride. It is often used in muscle spasms. eHealthMe is studying from 38,308 Flexeril users. Check the latest studies of Flexeril.

What is Daliresp?

Daliresp has active ingredients of roflumilast. It is often used in chronic obstructive pulmonary disease. eHealthMe is studying from 4,722 Daliresp users. Check the latest studies of Daliresp.



On Jul, 21, 2026

53 people who take Flexeril and Daliresp together, and have interactions are studied.

Flexeril and Daliresp drug interactions.

What are the common drug interactions of Flexeril and Daliresp, by gender? *:

female:

  1. Weight decreased
  2. Weight increased
  3. Wheezing (a high-pitched whistling sound made while you breath)
  4. Ankylosing spondylitis (type of arthritis affecting the spine)
  5. Ataxia (loss of full control of bodily movements)
  6. Bone pain
  7. Constipation
  8. Dysphonia (speech disorder attributable to a disorder of phonation)
  9. Eating disorder
  10. Eye pain

male:

  1. Weight decreased
  2. Dyspnoea (difficult or laboured respiration)
  3. Adverse drug reaction
  4. Anaemia (lack of blood)
  5. Anxiety
  6. Arthralgia (joint pain)
  7. Benign prostatic hyperplasia (benign enlargement of the prostate)
  8. Blood cholesterol increased
  9. Bronchitis (inflammation of the mucous membrane in the bronchial tubes)
  10. Cardiac arrest

What are the common drug interactions of Flexeril and Daliresp, 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:

  1. Ataxia (loss of full control of bodily movements)
  2. Blood pressure increased
  3. Chest discomfort
  4. Constipation
  5. Cough
  6. Diarrhoea
  7. Dysphonia (speech disorder attributable to a disorder of phonation)
  8. Dyspnoea (difficult or laboured respiration)
  9. Dyspnoea exertional (breathlessness or shortness of breath)
  10. Eating disorder

50-59:

  1. Dyspnoea (difficult or laboured respiration)
  2. Dyspnoea exertional (breathlessness or shortness of breath)
  3. Erectile dysfunction
  4. Heart rate irregular
  5. Hypertension (high blood pressure)
  6. Impaired gastric emptying
  7. Increased viscosity of bronchial secretion
  8. Insomnia (sleeplessness)
  9. Joint swelling
  10. Lacrimation increased

60+:

  1. Weight decreased
  2. Dyspnoea (difficult or laboured respiration)
  3. Hypokalaemia (low potassium)
  4. Hypomagnesaemia (electrolyte disturbance in which there is an abnormally low level of magnesium in the blood)
  5. Hypotension (abnormally low blood pressure)
  6. Leukocytosis (increased white blood cells)
  7. Oedema peripheral (superficial swelling)
  8. Pneumonia pseudomonal (pseudomonas pneumonia is an infection caused by the microbe known as pseudomonas aeruginosa)
  9. Pulmonary necrosis (death of a small area of lung)
  10. Sepsis (a severe blood infection that can lead to organ failure and death)

What are the existing conditions these people have? *

  1. Pain: 10 people, 18.87%
  2. High Blood Pressure: 8 people, 15.09%
  3. Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 8 people, 15.09%
  4. Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 6 people, 11.32%
  5. High Blood Cholesterol: 6 people, 11.32%
  6. Depression: 5 people, 9.43%
  7. Gastric Disorder (disease of stomach): 5 people, 9.43%
  8. Type 2 Diabetes: 4 people, 7.55%
  9. Thyroid Diseases: 4 people, 7.55%
  10. Stress And Anxiety: 4 people, 7.55%

* Approximation only. Some reports may have incomplete information.

Do you take Flexeril and Daliresp?

- 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 Flexeril and Daliresp:

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 Flexeril:

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 Daliresp:

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 Flexeril 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 Daliresp 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 cyclobenzaprine hydrochloride and roflumilast (the active ingredients of Flexeril and Daliresp, respectively), and Flexeril and Daliresp (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: