Fioricet w/ codeine and Zofran drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Fioricet w/ codeine (acetaminophen; butalbital; caffeine; codeine phosphate) and Zofran (ondansetron hydrochloride). Common drug interactions include accident among females and gastrointestinal haemorrhage among males.

The phase IV clinical study analyzes what interactions people have when they take Fioricet w/ codeine and Zofran. It is created by eHealthMe based on reports of 15 people who take the same drugs from the FDA, and is updated regularly.

What is Fioricet w/ codeine?

Fioricet w/ codeine has active ingredients of acetaminophen; butalbital; caffeine; codeine phosphate. It is often used in migraine. eHealthMe is studying from 194 Fioricet w/ codeine users. Check the latest studies of Fioricet w/ codeine.

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.



On Jul, 19, 2026

15 people who take Fioricet w/ codeine and Zofran together, and have interactions are studied.

Fioricet w/ codeine and Zofran drug interactions.

What are the common drug interactions of Fioricet W/ Codeine and Zofran, by gender? *:

female:

  1. Accident
  2. Chest pain
  3. Foot fracture
  4. Fatigue (feeling of tiredness)
  5. Abdominal discomfort
  6. Agitation (state of anxiety or nervous excitement)
  7. Asthenia (weakness)
  8. Constipation
  9. Drooling (drop saliva uncontrollably from the mouth)
  10. Glycosylated haemoglobin increased

male:

  1. Gastrointestinal haemorrhage (bleeding gastrointestinal tract)
  2. Myocardial infarction (destruction of heart tissue resulting from obstruction of the blood supply to the heart muscle)
  3. Anaemia (lack of blood)
  4. Anhedonia (inability to experience pleasure from activities usually found enjoyable)
  5. Anxiety
  6. Aortic valve incompetence
  7. Arthralgia (joint pain)
  8. Arthritis (form of joint disorder that involves inflammation of one or more joints)
  9. Ascites (accumulation of fluid in the abdominal cavity)
  10. Back pain

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

n/a

30-39:

  1. Bipolar i disorder (mood disorder that is characterized by at least one manic or mixed episode)
  2. Blood glucose decreased
  3. Diabetes mellitus inadequate control
  4. Gastrooesophageal reflux disease (stomach contents (food or liquid) leak backwards from the stomach into the oesophagus)
  5. Urinary tract infection
  6. Accident
  7. Chest pain
  8. Foot fracture

40-49:

n/a

50-59:

  1. Asthenia (weakness)
  2. Constipation
  3. Fatigue (feeling of tiredness)
  4. Nodule (a growth of abnormal tissue)
  5. Pain

60+:

  1. Gastrointestinal haemorrhage (bleeding gastrointestinal tract)
  2. Myocardial infarction (destruction of heart tissue resulting from obstruction of the blood supply to the heart muscle)
  3. Anaemia (lack of blood)
  4. Anhedonia (inability to experience pleasure from activities usually found enjoyable)
  5. Anxiety
  6. Aortic valve incompetence
  7. Arthralgia (joint pain)
  8. Arthritis (form of joint disorder that involves inflammation of one or more joints)
  9. Ascites (accumulation of fluid in the abdominal cavity)
  10. Back pain

What are the existing conditions these people have? *

  1. Urinary Retention (the inability to completely or partially empty the bladder): 10 people, 66.67%
  2. Hypothyroidism (abnormally low activity of the thyroid gland, resulting in retardation of growth and mental development): 10 people, 66.67%
  3. Diabetes: 10 people, 66.67%
  4. Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 10 people, 66.67%
  5. Bipolar I Disorder (mood disorder that is characterized by at least one manic or mixed episode): 10 people, 66.67%
  6. Quit Smoking: 10 people, 66.67%
  7. Sinus Disorder (disease of sinus): 7 people, 46.67%
  8. Multiple Myeloma (cancer of the plasma cells): 4 people, 26.67%
  9. Diarrhea: 4 people, 26.67%
  10. High Blood Pressure: 3 people, 20.00%

* Approximation only. Some reports may have incomplete information.

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Related studies:

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

Browse all drug interactions of Fioricet w/ codeine and Zofran:

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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 Fioricet w/ codeine:

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 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 interactions between Fioricet w/ codeine 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 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

How the study uses the data?

The study uses data from the FDA. It is based on acetaminophen; butalbital; caffeine; codeine phosphate and ondansetron hydrochloride (the active ingredients of Fioricet w/ codeine and Zofran, respectively), and Fioricet w/ codeine and Zofran (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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