Halcion and Codeine drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Halcion (triazolam) and Codeine (codeine sulfate). Common drug interactions include headache among females and gingival abscess among males.

The phase IV clinical study analyzes what interactions people have when they take Halcion and Codeine. It is created by eHealthMe based on reports of 38 people who take the same drugs from the FDA, and is updated regularly.

What is Halcion?

Halcion has active ingredients of triazolam. It is often used in insomnia. eHealthMe is studying from 8,268 Halcion users. Check the latest studies of Halcion.

What is Codeine?

Codeine has active ingredients of codeine sulfate. It is often used in pain. eHealthMe is studying from 42,342 Codeine users. Check the latest studies of Codeine.



On Jan, 31, 2026

38 people who take Halcion and Codeine together, and have interactions are studied.

Halcion and Codeine drug interactions.

What are the common drug interactions of Halcion and Codeine, by gender? *:

female:

  1. Headache (pain in head)
  2. Constipation
  3. Nausea (feeling of having an urge to vomit)
  4. Arthralgia (joint pain)
  5. Decreased appetite
  6. Diarrhoea
  7. Myalgia (muscle pain)
  8. Neuralgia (pain in one or more nerves)
  9. Pain in extremity
  10. Pain in jaw

male:

  1. Gingival abscess (pus in gums)
  2. Gingivitis (inflammation of gums)
  3. Arthralgia (joint pain)
  4. Cerebral artery embolism (sudden blocking of an artery by a clot or foreign material)
  5. Death
  6. Fall
  7. Hypotension (abnormally low blood pressure)
  8. Joint effusion (presence of extra fluid in joint covering)
  9. Myositis (inflammation of the muscles)
  10. Nephrolithiasis (calculi in the kidneys)

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

  1. Gingival abscess (pus in gums)
  2. Gingivitis (inflammation of gums)
  3. Malaise (a feeling of general discomfort or uneasiness)
  4. Pyrexia (fever)
  5. Oral herpes (viral infection of mouth)
  6. Infection
  7. Candida sepsis (candida in blood stream)
  8. Respiratory failure (inadequate gas exchange by the respiratory system)
  9. Ventricular tachycardia (rapid heartbeat that originates in one of the lower chambers (the ventricles) of the heart)
  10. Arthralgia (joint pain)

30-39:

  1. Anaemia (lack of blood)
  2. Constipation
  3. Pruritus (severe itching of the skin)
  4. Somnolence (a state of near-sleep, a strong desire for sleep)
  5. Drug abuse

40-49:

  1. Anaphylactic shock (severe and rapid and sometimes fatal hypersensitivity reaction to a substance)
  2. Gastrointestinal haemorrhage (bleeding gastrointestinal tract)
  3. Hypoxic-ischaemic encephalopathy (a condition that occurs when the entire brain is deprived of an adequate oxygen supply, but the deprivation isn't total)
  4. Overdose
  5. Pneumonia

50-59:

  1. Decreased appetite
  2. Diarrhoea
  3. Myalgia (muscle pain)
  4. Neuralgia (pain in one or more nerves)
  5. Pain in extremity
  6. Pain in jaw
  7. Palpitations (feelings or sensations that your heart is pounding or racing)
  8. Rotator cuff syndrome (a spectrum of conditions affecting the rotator cuff tendons of the shoulder)
  9. Vitreous haemorrhage (intraocular (inside the eye) bleeding)
  10. Drug hypersensitivity

60+:

  1. Drug hypersensitivity
  2. Cerebral infarction (less blood supply to brain resulting tissue damage)
  3. Cerebral artery embolism (sudden blocking of an artery by a clot or foreign material)
  4. Fall
  5. Nephrolithiasis (calculi in the kidneys)
  6. Urinary retention postoperative

What are the existing conditions these people have? *

  1. Constipation: 12 people, 31.58%
  2. Familial Mediterranean Fever (genetic disease recurring attacks of abdominal pain, fever, pleurisy, arthritis, and rash): 5 people, 13.16%
  3. Asthma: 5 people, 13.16%
  4. Lung Cancer - Non-Small Cell (lung cancer): 5 people, 13.16%
  5. Eczema (patches of skin become rough and inflamed, with itching and bleeding blisters): 5 people, 13.16%
  6. Allergic Rhinitis: 4 people, 10.53%
  7. Primary Pulmonary Hypertension (primary high blood pressure that affects the arteries in the lungs and the right side of your heart): 4 people, 10.53%
  8. Appetite - Decreased (decreased appetite occurs when you have a reduced desire to eat): 4 people, 10.53%
  9. Nausea (feeling of having an urge to vomit): 4 people, 10.53%
  10. Headache (pain in head): 4 people, 10.53%

* Approximation only. Some reports may have incomplete information.

Do you take Halcion and Codeine?

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Related studies:

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

Browse all drug interactions of Halcion and 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

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 Halcion:

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 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 interactions between Halcion 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 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

How the study uses the data?

The study uses data from the FDA. It is based on triazolam and codeine sulfate (the active ingredients of Halcion and Codeine, respectively), and Halcion and Codeine (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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