Fioricet and Accupril drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Fioricet (acetaminophen; butalbital; caffeine) and Accupril (quinapril hydrochloride). Common drug interactions include depression among females and anxiety among males.

The phase IV clinical study analyzes what interactions people have when they take Fioricet and Accupril. It is created by eHealthMe based on reports of 23 people who take the same drugs 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 Accupril?

Accupril has active ingredients of quinapril hydrochloride. It is often used in high blood pressure. eHealthMe is studying from 13,404 Accupril users. Check the latest studies of Accupril.



On Jul, 19, 2026

23 people who take Fioricet and Accupril together, and have interactions are studied.

Fioricet and Accupril drug interactions.

What are the common drug interactions of Fioricet and Accupril, by gender? *:

female:

  1. Depression
  2. Drug ineffective
  3. Drug withdrawal syndrome (interfere with normal social, occupational, or other functioning. are not due to another medical condition, drug use, or discontinuation)
  4. Suicidal ideation
  5. Suicide attempt
  6. Vomiting
  7. Malaise (a feeling of general discomfort or uneasiness)
  8. Chest pain
  9. Dehydration (dryness resulting from the removal of water)
  10. Diarrhoea

male:

  1. Anxiety
  2. Ataxia (loss of full control of bodily movements)
  3. Drug maladministration
  4. Dysarthria (speech disorder)
  5. Encephalopathy (functioning of the brain is affected by some agent or condition)
  6. Myositis (inflammation of the muscles)
  7. Postural hypotension
  8. Renal cancer (cancer of kidney)
  9. Renal failure acute (rapid kidney dysfunction)
  10. Upper limb fracture

What are the common drug interactions of Fioricet and Accupril, 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. Chest pain
  2. Vasodilatation (widening of blood vessels resulting from relaxation of smooth muscle cells within the vessel walls)
  3. Vomiting
  4. Drug dependence
  5. Malaise (a feeling of general discomfort or uneasiness)
  6. Nausea (feeling of having an urge to vomit)

40-49:

  1. Albumin globulin ratio decreased
  2. Anaemia of chronic disease
  3. Asthenia (weakness)
  4. Bacteria urine identified
  5. Balance disorder
  6. Blood albumin decreased
  7. Blood alkaline phosphatase increased
  8. Blood chloride decreased
  9. Blood culture positive
  10. Blood erythropoietin increased

50-59:

  1. Arthralgia (joint pain)
  2. Diarrhoea
  3. Nausea (feeling of having an urge to vomit)
  4. Pain
  5. Abdominal pain upper
  6. Angioneurotic oedema (swelling that occurs just beneath the surface of the skin or mucous membranes)
  7. Anxiety
  8. Aphonia (inability to produce voice)
  9. Asthma
  10. Ataxia (loss of full control of bodily movements)

60+:

  1. Anxiety
  2. Blood potassium decreased
  3. Back injury
  4. Bipolar disorder (mood disorder)
  5. Blepharospasm (any abnormal contraction or twitch of the eyelid)
  6. Cerebrovascular accident (sudden death of some brain cells due to lack of oxygen when the blood flow to the brain is impaired by blockage or rupture)
  7. Depression
  8. Diarrhoea
  9. Drug ineffective
  10. Dry mouth

What are the existing conditions these people have? *

  1. Depression: 8 people, 34.78%
  2. Insomnia (sleeplessness): 6 people, 26.09%
  3. Headache (pain in head): 3 people, 13.04%
  4. Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 3 people, 13.04%
  5. Stress And Anxiety: 2 people, 8.70%
  6. Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 2 people, 8.70%
  7. Psoriasis (immune-mediated disease that affects the skin): 2 people, 8.70%
  8. Pain: 2 people, 8.70%
  9. Osteoporosis (bones weak and more likely to break): 2 people, 8.70%
  10. Nausea (feeling of having an urge to vomit): 2 people, 8.70%

* 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 and Accupril:

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 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 side effects of Accupril:

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 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 Accupril 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 and quinapril hydrochloride (the active ingredients of Fioricet and Accupril, respectively), and Fioricet and Accupril (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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