Fioricet and Haematuria - a phase IV clinical study of FDA data

Summary:

Haematuria is reported as a side effect among people who take Fioricet (acetaminophen; butalbital; caffeine), especially for people who are female, 50-59 old, have been taking the drug for 1 - 2 years also take Flexeril, and have Osteoporosis.

The phase IV clinical study analyzes which people have Haematuria when taking Fioricet. It is created by eHealthMe based on reports of 11,479 people who have side effects when taking Fioricet from the FDA, and is updated regularly.

What is Fioricet?

Fioricet has active ingredients of acetaminophen; butalbital; caffeine. It is often used in migraine. eHealthMe is studying from 12,423 Fioricet users. Check the latest studies of Fioricet.

What is Haematuria?

Haematuria (presence of blood in urine) is found to be associated with 1,710 drugs and 2,513 conditions by eHealthMe. Check the latest studies of Haematuria.

On Jul, 07, 2026

11,479 people reported to have side effects when taking Fioricet.
Among them, 30 people (0.26%) have Haematuria.

Among these 30 people:

How long have people been on Fioricet when they have Haematuria? *

What is the gender of people who have Haematuria when taking Fioricet? *

female: 82.76 %
male: 17.24 %

What is the age of people who have Haematuria when taking Fioricet? *

What are other drugs people take besides Fioricet? *

What are other side effects people have besides Haematuria? *

Urinary Tract Infection: 22 people, 73.33%
Rectal Haemorrhage (bleeding from anus): 19 people, 63.33%
Nausea And Vomiting: 17 people, 56.67%
Osteomyelitis (infection of bone): 17 people, 56.67%
Spinal Disorder (disease of spine a back bone): 17 people, 56.67%
Colonic Polyp (extra part of colon tissue grow in intestine): 16 people, 53.33%
Radiculopathy (a set of conditions in which one or more nerves is affected and does not work properly): 15 people, 50.00%
Osteonecrosis Of Jaw (death of bone of jaw): 13 people, 43.33%
Anaemia (lack of blood): 11 people, 36.67%
Bone Disorder: 11 people, 36.67%

What are the existing conditions these people have? *

Osteoporosis (bones weak and more likely to break): 15 people, 50.00%
Pain: 12 people, 40.00%
High Blood Cholesterol: 9 people, 30.00%
Dyspnea (difficult or laboured breathing): 8 people, 26.67%
Arthropod Sting (arthropod bite): 8 people, 26.67%
Osteopenia (a condition where bone mineral density is lower than normal): 8 people, 26.67%
Breast Cancer: 6 people, 20.00%
Heart Attack: 3 people, 10.00%
Birth Control: 2 people, 6.67%
Crohn's Disease (a condition that causes inflammation of the gastrointestinal tract): 2 people, 6.67%

* Approximation only. Some reports may have incomplete information.

Do you take Fioricet and have Haematuria?

- Check whether Haematuria 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 Fioricet:

Fioricet (12,423 reports)

Haematuria treatments and more:

Haematuria (44,248 reports)

How severe was Haematuria and when was it recovered:

Haematuria in Fioricet

Expand to all the drugs that have ingredients of acetaminophen; butalbital; caffeine:

Haematuria and drugs with ingredients of acetaminophen; butalbital; caffeine

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:

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 Haematuria:

Haematuria (1,710 drugs)

Browse all the conditions that are associated with Haematuria:

Haematuria (2,513 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on acetaminophen; butalbital; caffeine (the active ingredients of Fioricet) and Fioricet (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.