Tylenol w/ codeine no. 2 and Tylenol drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Tylenol w/ codeine no. 2 (acetaminophen; codeine phosphate) and Tylenol (acetaminophen). Common drug interactions include renal impairment among females and acute myocardial infarction among males.

The phase IV clinical study analyzes what interactions people have when they take Tylenol w/ codeine no. 2 and Tylenol. It is created by eHealthMe based on reports of 17 people who take the same drugs from the FDA, and is updated regularly.

What is Tylenol w/ codeine no. 2?

Tylenol w/ codeine no. 2 has active ingredients of acetaminophen; codeine phosphate. It is often used in back pain. eHealthMe is studying from 151 Tylenol w/ codeine no. 2 users. Check the latest studies of Tylenol w/ codeine no. 2.

What is Tylenol?

Tylenol has active ingredients of acetaminophen. It is often used in pain. eHealthMe is studying from 222,309 Tylenol users. Check the latest studies of Tylenol.



On Jul, 26, 2026

17 people who take Tylenol w/ codeine no. 2 and Tylenol together, and have interactions are studied.

Tylenol w/ codeine no. 2 and Tylenol drug interactions.

What are the common drug interactions of Tylenol W/ Codeine No. 2 and Tylenol, by gender? *:

female:

  1. Renal impairment (severely reduced kidney function)
  2. Rotator cuff syndrome (a spectrum of conditions affecting the rotator cuff tendons of the shoulder)
  3. Septic shock (shock due to blood infection)
  4. Tendon disorder (disease of tendon)
  5. Abdominal pain upper
  6. Blood creatinine increased
  7. Colitis (inflammation of colon)
  8. Confusional state
  9. Diarrhoea
  10. Dizziness

male:

  1. Acute myocardial infarction (acute heart attack)
  2. Anaemia (lack of blood)
  3. Cough
  4. Death
  5. Decreased interest
  6. Diplegia (paralysis of corresponding parts on both sides of the body)
  7. Dyspepsia (indigestion)
  8. Dysphagia (a condition in which swallowing is difficult or painful)
  9. Dyspnoea (difficult or laboured respiration)
  10. Ejection fraction decreased (systolic heart failure)

What are the common drug interactions of Tylenol W/ Codeine No. 2 and Tylenol, by age (0-1 to 60+)? *:

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

n/a

30-39:

n/a

40-49:

  1. Pain in jaw
  2. Toothache (tooth pain)
  3. Urinary retention (the inability to completely or partially empty the bladder)
  4. Viral infection
  5. Acute myocardial infarction (acute heart attack)
  6. Anaemia (lack of blood)
  7. Anxiety
  8. Arthralgia (joint pain)
  9. Asthenia (weakness)
  10. Atelectasis (partial or complete collapse of the lung)

50-59:

  1. Arthralgia (joint pain)
  2. Exostosis (formation of new bone on the surface of a bone)
  3. Musculoskeletal pain (pain affects the bones, muscles, ligaments, tendons, and nerves)
  4. Osteoarthritis (a joint disease caused by cartilage loss in a joint)
  5. Pain in extremity
  6. Rotator cuff syndrome (a spectrum of conditions affecting the rotator cuff tendons of the shoulder)
  7. Tendon disorder (disease of tendon)
  8. Epistaxis (bleed from the nose)
  9. Haemoglobin decreased
  10. Heart rate increased

60+:

  1. Abdominal pain upper
  2. Arthralgia (joint pain)
  3. Personality disorder
  4. Blood creatinine increased
  5. Colitis (inflammation of colon)
  6. Confusional state
  7. Death
  8. Diarrhoea
  9. Dizziness
  10. Haemoglobin decreased

What are the existing conditions these people have? *

  1. Multiple Myeloma (cancer of the plasma cells): 3 people, 17.65%
  2. Metastases To Bone (cancer spreads to bone): 3 people, 17.65%
  3. High Blood Pressure: 3 people, 17.65%
  4. Hepatitis C: 3 people, 17.65%
  5. Arthritis (form of joint disorder that involves inflammation of one or more joints): 3 people, 17.65%
  6. Sleep Disorder: 2 people, 11.76%
  7. Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 2 people, 11.76%
  8. Osteoporosis (bones weak and more likely to break): 2 people, 11.76%
  9. Gastric Disorder (disease of stomach): 2 people, 11.76%
  10. Cardiac Failure Congestive: 2 people, 11.76%

* Approximation only. Some reports may have incomplete information.

Do you take Tylenol w/ codeine no. 2 and Tylenol?

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Related studies:

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

Browse all drug interactions of Tylenol w/ codeine no. 2 and Tylenol:

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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 Tylenol w/ codeine no. 2:

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 Tylenol:

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 Tylenol w/ codeine no. 2 and drugs from A to Z:

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Browse all interactions between Tylenol 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; codeine phosphate and acetaminophen (the active ingredients of Tylenol w/ codeine no. 2 and Tylenol, respectively), and Tylenol w/ codeine no. 2 and Tylenol (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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