Norco and Stadol drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Norco (acetaminophen; hydrocodone bitartrate) and Stadol (butorphanol tartrate). Common drug interactions include neck pain among females and abnormal behaviour among males.

The phase IV clinical study analyzes what interactions people have when they take Norco and Stadol. It is created by eHealthMe based on reports of 36 people who take the same drugs from the FDA, and is updated regularly.

What is Norco?

Norco has active ingredients of acetaminophen; hydrocodone bitartrate. It is often used in pain. eHealthMe is studying from 74,063 Norco users. Check the latest studies of Norco.

What is Stadol?

Stadol has active ingredients of butorphanol tartrate. It is often used in migraine. eHealthMe is studying from 5,546 Stadol users. Check the latest studies of Stadol.



On Jul, 14, 2026

36 people who take Norco and Stadol together, and have interactions are studied.

Norco and Stadol drug interactions.

What are the common drug interactions of Norco and Stadol, by gender? *:

female:

  1. Neck pain
  2. Nerve block (the interruption of signals travelling along a nerve)
  3. Nerve compression
  4. Nervous system disorder (a general class of medical conditions affecting the nervous system)
  5. Oedema peripheral (superficial swelling)
  6. Pain in extremity
  7. Pollakiuria (abnormally frequent passage of relatively small quantities or urine)
  8. Premature delivery
  9. Procedural nausea
  10. Procedural vomiting

male:

  1. Abnormal behaviour
  2. Aggression
  3. Chest discomfort
  4. Chest pain
  5. Chronic sinusitis (long lasting inflammation of the paranasal sinuses)
  6. Communication disorder (speech and language disorder)
  7. Cough
  8. Croup infectious (a loud cough that resembles the barking of a seal and difficulty breathing can transfer to other)
  9. Developmental delay
  10. Disorientation (disability in which the senses of time, direction, and recognition of people and places)

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

  1. Nausea (feeling of having an urge to vomit)
  2. Abdominal pain upper
  3. Abnormal loss of weight
  4. Amniotic cavity infection
  5. Amniotic fluid volume decreased
  6. Gastric ulcer (stomach ulcer)
  7. Hallucination (an experience involving the perception of something not present)
  8. Hiatus hernia (hernia resulting from the protrusion of part of the stomach through the diaphragm)
  9. Hyperhidrosis (abnormally increased sweating)
  10. Irritability

30-39:

  1. Pulmonary embolism (blockage of the main artery of the lung)
  2. Anhedonia (inability to experience pleasure from activities usually found enjoyable)
  3. Anxiety
  4. Burning sensation
  5. Drug abuser
  6. Drug addiction
  7. Dry eye (lack of adequate tears)
  8. Dry mouth
  9. Emotional distress
  10. Erythema (redness of the skin)

40-49:

  1. Abnormal behaviour
  2. Dental caries
  3. Depression
  4. Drug dependence
  5. Dysarthria (speech disorder)
  6. Tooth abscess (pus formation in tooth)
  7. Drug abuse
  8. Drug hypersensitivity
  9. Back injury
  10. Drug abuser

50-59:

  1. Bladder disorder
  2. Blood glucose decreased
  3. Blood glucose increased
  4. Blood pressure increased
  5. Burning sensation
  6. Chills (felling of cold)
  7. Chronic sinusitis (long lasting inflammation of the paranasal sinuses)
  8. Constipation
  9. Crohn's disease (a condition that causes inflammation of the gastrointestinal tract)
  10. Dehydration (dryness resulting from the removal of water)

60+:

  1. Drug ineffective
  2. General physical health deterioration (weak health status)
  3. Lyme disease (a bacterial infection that is spread to humans by infected ticks)
  4. Skin ulcer
  5. Stomatitis (inflammation of mucous membrane of mouth)

What are the existing conditions these people have? *

  1. Back Pain: 10 people, 27.78%
  2. Headache (pain in head): 4 people, 11.11%
  3. Complex Regional Pain Syndrome (long lasting pain condition most often affecting one of the limbs (arms, legs, hands, or feet)): 3 people, 8.33%
  4. Stress And Anxiety: 2 people, 5.56%
  5. Seizures (abnormal excessive or synchronous neuronal activity in the brain): 2 people, 5.56%
  6. Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 2 people, 5.56%
  7. Joint Pain: 2 people, 5.56%
  8. Cataplexy (loss of muscle tone accompanied by full conscious awareness): 2 people, 5.56%
  9. Abdominal Pain: 2 people, 5.56%

* Approximation only. Some reports may have incomplete information.

Do you take Norco and Stadol?

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Related studies:

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

Browse all drug interactions of Norco and Stadol:

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 Norco:

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 Stadol:

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 Norco 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 Stadol 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; hydrocodone bitartrate and butorphanol tartrate (the active ingredients of Norco and Stadol, respectively), and Norco and Stadol (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.

If you use this eHealthMe study on publication, please acknowledge it with a citation: study title, URL, accessed date.



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