Promethazine with codeine and Spiriva drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Promethazine with codeine (codeine phosphate; promethazine hydrochloride) and Spiriva (tiotropium bromide monohydrate). Common drug interactions include fatigue among females and abdominal pain lower among males.

The phase IV clinical study analyzes what interactions people have when they take Promethazine with codeine and Spiriva. It is created by eHealthMe based on reports of 14 people who take the same drugs from the FDA, and is updated regularly.

What is Promethazine with codeine?

Promethazine with codeine has active ingredients of codeine phosphate; promethazine hydrochloride. It is often used in cough. eHealthMe is studying from 269 Promethazine with codeine users. Check the latest studies of Promethazine with codeine.

What is Spiriva?

Spiriva has active ingredients of tiotropium bromide monohydrate. It is often used in chronic obstructive pulmonary disease. eHealthMe is studying from 156,666 Spiriva users. Check the latest studies of Spiriva.



On Jul, 13, 2026

14 people who take Promethazine with codeine and Spiriva together, and have interactions are studied.

Promethazine with codeine and Spiriva drug interactions.

What are the common drug interactions of Promethazine With Codeine and Spiriva, by gender? *:

female:

  1. Fatigue (feeling of tiredness)
  2. Chest pain
  3. Chronic kidney disease
  4. Dyspnoea (difficult or laboured respiration)
  5. Urticaria (rash of round, red welts on the skin that itch intensely)
  6. Asthenia (weakness)
  7. Diarrhoea
  8. Dyspepsia (indigestion)
  9. Heart rate increased
  10. Poor quality sleep

male:

  1. Abdominal pain lower
  2. Benign prostatic hyperplasia (benign enlargement of the prostate)
  3. Rash pruritic (redness with itching)
  4. Skin irritation
  5. Urinary tract infection
  6. Nasal congestion (blockage of the nasal passages usually due to membranes lining the nose becoming swollen from inflamed blood vessels)
  7. Pneumonia
  8. Cystitis (inflammation of the wall of the bladder)
  9. Erythema (redness of the skin)
  10. Infection

What are the common drug interactions of Promethazine With Codeine and Spiriva, 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. Chest pain
  2. Chronic kidney disease
  3. Dyspnoea (difficult or laboured respiration)
  4. Productive cough
  5. Abdominal pain
  6. Abdominal pain upper
  7. Acute respiratory failure
  8. Asthenia (weakness)
  9. Cardiac failure congestive
  10. Chills (felling of cold)

50-59:

  1. Oedema (fluid collection in tissue)
  2. Urinary tract infection
  3. Urticaria (rash of round, red welts on the skin that itch intensely)
  4. Abdominal pain lower
  5. Benign prostatic hyperplasia (benign enlargement of the prostate)
  6. Cystitis (inflammation of the wall of the bladder)
  7. Erythema (redness of the skin)
  8. Infection
  9. Infusion site rash
  10. Injection site erythema (redness at injection site)

60+:

  1. Alopecia (absence of hair from areas of the body)
  2. Asthenia (weakness)
  3. Throat irritation
  4. Upper-airway cough syndrome
  5. Diarrhoea
  6. Drug effect decreased
  7. Fatigue (feeling of tiredness)
  8. Hypersensitivity
  9. Inner ear inflammation
  10. Insomnia (sleeplessness)

What are the existing conditions these people have? *

  1. Asthma: 6 people, 42.86%
  2. Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 6 people, 42.86%
  3. Hypersensitivity: 5 people, 35.71%
  4. Ulcerative Colitis (inflammatory bowel disease (ibd). it causes swelling, ulcerations, and loss of function of the large intestine): 4 people, 28.57%
  5. Fluid Retention (an abnormal accumulation of fluid in the blood): 3 people, 21.43%
  6. Nausea (feeling of having an urge to vomit): 3 people, 21.43%
  7. Nasopharyngitis (inflammation of the nasopharynx): 3 people, 21.43%
  8. Nasal Congestion (blockage of the nasal passages usually due to membranes lining the nose becoming swollen from inflamed blood vessels): 3 people, 21.43%
  9. Diabetes: 3 people, 21.43%
  10. Constipation: 3 people, 21.43%

* 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 Promethazine with codeine and Spiriva:

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 Promethazine with 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 side effects of Spiriva:

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 Promethazine with 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

Browse all interactions between Spiriva 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 codeine phosphate; promethazine hydrochloride and tiotropium bromide monohydrate (the active ingredients of Promethazine with codeine and Spiriva, respectively), and Promethazine with codeine and Spiriva (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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