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Theophyl and Erectile dysfunction - a phase IV clinical study of FDA data

Summary:

Erectile dysfunction is reported as a side effect among people who take Theophyl (theophylline), especially for people who are 30-39 old, also take Prednisolone, and have Asthma.

The phase IV clinical study analyzes which people have Erectile dysfunction when taking Theophyl. It is created by eHealthMe based on reports of 18,974 people who have side effects when taking Theophyl from the FDA, and is updated regularly.

What is Theophyl?

Theophyl has active ingredients of theophylline. eHealthMe is studying from 19,174 Theophyl users. Check the latest studies of Theophyl.

What is Erectile dysfunction?

Erectile dysfunction is found to be associated with 1,514 drugs and 2,067 conditions by eHealthMe. Check the latest studies of Erectile dysfunction.

On Jul, 09, 2026

18,974 people reported to have side effects when taking Theophyl.
Among them, 29 people (0.15%) have Erectile dysfunction.

Could Theophyl cause Erectile dysfunction?

Among these 29 people:

What is the age of people who have Erectile dysfunction when taking Theophyl? *

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 0.0 %
  • 20-29: 0.0 %
  • 30-39: 54.17 %
  • 40-49: 8.33 %
  • 50-59: 4.17 %
  • 60+: 33.33 %

What are other drugs people take besides Theophyl? *

  1. Prednisolone: 13 people, 44.83%
  2. Fluticasone Propionate: 11 people, 37.93%
  3. Levitra: 5 people, 17.24%
  4. Albuterol Sulfate: 5 people, 17.24%
  5. Propecia: 4 people, 13.79%
  6. Daliresp: 4 people, 13.79%
  7. Xolair: 4 people, 13.79%
  8. Nitroglycerin: 3 people, 10.34%
  9. Viagra: 3 people, 10.34%
  10. Brethine: 2 people, 6.90%

What are other side effects people have besides Erectile dysfunction? *

  1. Hypoaesthesia (reduced sense of touch or sensation): 16 people, 55.17%
  2. Weakness: 15 people, 51.72%
  3. Cushingoid (obesity and weakening of the muscles): 15 people, 51.72%
  4. Urinary Incontinence (inability to control the flow of urine and involuntary urination): 13 people, 44.83%
  5. Sensory Disturbance (sense disturbance): 13 people, 44.83%
  6. Spinal Cord Compression: 13 people, 44.83%
  7. Epidural Lipomatosis (excessive accumulation of fat within the epidural space -brain): 13 people, 44.83%
  8. Hyperreflexia (overactive or over responsive reflexes): 13 people, 44.83%
  9. Clonus (series of involuntary, rhythmic, muscular contractions and relaxations): 13 people, 44.83%
  10. Weight Increased: 13 people, 44.83%

What are the existing conditions these people have? *

  1. Asthma: 15 people, 51.72%
  2. Androgenetic Alopecia (common form of hair loss): 4 people, 13.79%
  3. Back Pain: 3 people, 10.34%
  4. High Blood Cholesterol: 2 people, 6.90%
  5. Prostate Cancer: 1 person, 3.45%
  6. Hypersensitivity: 1 person, 3.45%
  7. Chronic Obstructive Pulmonary Disease (a progressive disease that makes it hard to breathe): 1 person, 3.45%
  8. Body Temperature Increased: 1 person, 3.45%
  9. Acne Cystic (skin problems that cause pimples): 1 person, 3.45%

* Approximation only. Some reports may have incomplete information.

Do you take Theophyl and have Erectile dysfunction?

- Check whether Erectile dysfunction is associated with a drug or a condition
- Predict drug outcomes for up to one year with AI
- Get an AI agent to monitor your drugs continuously

Related studies:

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

Erectile dysfunction treatments and more:

How severe was Erectile dysfunction and when was it recovered:

Expand to all the drugs that have ingredients of theophylline:

Sub-studies by age:

0-1 2-9 10-19 20-29 30-39 40-49 50-59 60+

Browse all side effects of Theophyl:

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 Erectile dysfunction:

Browse all the conditions that are associated with Erectile dysfunction:

Related publications that referenced our studies

How the study uses the data?

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