Zofran and Oxytrol drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Zofran (ondansetron hydrochloride) and Oxytrol (oxybutyin). Common drug interactions include neutropenia among females and necrotising fasciitis among males.

The phase IV clinical study analyzes what interactions people have when they take Zofran and Oxytrol. It is created by eHealthMe based on reports of 12 people who take the same drugs from the FDA, and is updated regularly.

What is Zofran?

Zofran has active ingredients of ondansetron hydrochloride. It is often used in nausea. eHealthMe is studying from 94,987 Zofran users. Check the latest studies of Zofran.

What is Oxytrol?

Oxytrol has active ingredients of oxybutyin. It is often used in urge incontinence. eHealthMe is studying from 1,285 Oxytrol users. Check the latest studies of Oxytrol.



On Aug, 01, 2026

12 people who take Zofran and Oxytrol together, and have interactions are studied.

Zofran and Oxytrol drug interactions.

What are the common drug interactions of Zofran and Oxytrol, by gender? *:

female:

  1. Neutropenia (an abnormally low number of neutrophils)
  2. Paralysis
  3. Pollakiuria (abnormally frequent passage of relatively small quantities or urine)
  4. Pyrexia (fever)
  5. Blood pressure fluctuation
  6. Cataract (clouding of the lens inside the eye)
  7. Central nervous system lesion (an abnormality in tissue of brain or spinal cord)
  8. Chest discomfort
  9. Diarrhoea
  10. Dizziness

male:

  1. Necrotising fasciitis (an uncommon life-threatening soft-tissue infection)
  2. Proctalgia (pain in the rectum)

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

  1. Blood pressure fluctuation
  2. Chest discomfort
  3. Dizziness
  4. Headache (pain in head)
  5. Heart rate decreased
  6. Palpitations (feelings or sensations that your heart is pounding or racing)
  7. Vision blurred

30-39:

n/a

40-49:

n/a

50-59:

  1. Diarrhoea
  2. Disease progression
  3. Drug ineffective
  4. Injection site bruising
  5. Chills (felling of cold)
  6. Cervical myelopathy (clinical syndrome characterized by clumsiness in hands; gait imbalance; caused by compression of the spinal cord)
  7. Paralysis
  8. Abdominal pain
  9. Cataract (clouding of the lens inside the eye)
  10. Central nervous system lesion (an abnormality in tissue of brain or spinal cord)

60+:

  1. Necrotising fasciitis (an uncommon life-threatening soft-tissue infection)
  2. Proctalgia (pain in the rectum)
  3. Inappropriate antidiuretic hormone secretion

What are the existing conditions these people have? *

  1. Lung Cancer - Non-Small Cell (lung cancer): 2 people, 16.67%
  2. Squamous Cell Carcinoma Of The Cervix (cervix cancer of a kind of epithelial cell): 1 person, 8.33%
  3. Multiple Myeloma (cancer of the plasma cells): 1 person, 8.33%
  4. Immunodeficiency: 1 person, 8.33%
  5. Depression: 1 person, 8.33%
  6. Dementia (madness): 1 person, 8.33%

* Approximation only. Some reports may have incomplete information.

Do you take Zofran and Oxytrol?

- Personalize this study to your gender, age, symptoms and drugs
- Predict drug outcomes for up to one year with AI
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Related studies:

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

Browse all drug interactions of Zofran and Oxytrol:

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 Zofran:

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 Oxytrol:

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 Zofran 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 Oxytrol 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 ondansetron hydrochloride and oxybutyin (the active ingredients of Zofran and Oxytrol, respectively), and Zofran and Oxytrol (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.

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