Methimazole and Flovent drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Methimazole (methimazole) and Flovent (fluticasone propionate). Common drug interactions include cheilitis among females and gastroenteritis viral among males.

The phase IV clinical study analyzes what interactions people have when they take Methimazole and Flovent. It is created by eHealthMe based on reports of 46 people who take the same drugs from the FDA, and is updated regularly.

What is Methimazole?

Methimazole has active ingredients of methimazole. It is often used in hyperthyroidism. eHealthMe is studying from 8,016 Methimazole users. Check the latest studies of Methimazole.

What is Flovent?

Flovent has active ingredients of fluticasone propionate. It is often used in asthma. eHealthMe is studying from 44,817 Flovent users. Check the latest studies of Flovent.



On Jul, 19, 2026

46 people who take Methimazole and Flovent together, and have interactions are studied.

Methimazole and Flovent drug interactions.

What are the common drug interactions of Methimazole and Flovent, by gender? *:

female:

  1. Cheilitis (infection of lips)
  2. Chest discomfort
  3. Chills (felling of cold)
  4. Cholelithiasis (the presence or formation of gallstones in the gallbladder or bile ducts)
  5. Compression fracture (fracture due to pressure caused by injury)
  6. Confusional state
  7. Conjunctivitis (pink eye)
  8. Abdominal pain
  9. Haemarthrosis (haemarthrosis is where blood is able to enter the joint capsule)
  10. Contusion (a type of hematoma of tissue in which capillaries)

male:

  1. Gastroenteritis viral (inflammation of stomach and intestine caused by virus infection)
  2. Cardiac failure congestive
  3. Nephrolithiasis (calculi in the kidneys)
  4. Pain in extremity
  5. Paraesthesia (sensation of tingling, tickling, prickling, pricking, or burning of a person's skin with no apparent long-term physical effect)
  6. Pneumonia
  7. Thyroid operation
  8. Chills (felling of cold)
  9. Colon cancer
  10. Colorectal cancer (colon cancer or bowel cancer)

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

  1. Cardiac failure congestive
  2. Nephrolithiasis (calculi in the kidneys)
  3. Pneumonia

30-39:

  1. Cheilitis (infection of lips)
  2. Drug ineffective
  3. Glossodynia (a burning or painful sensation in the tongue)

40-49:

  1. Chest pain
  2. Confusional state
  3. Constipation
  4. Cough
  5. Dizziness
  6. Dry throat
  7. Dyspepsia (indigestion)
  8. Dyspnoea (difficult or laboured respiration)
  9. Eye infection
  10. Gastroenteritis (inflammation of stomach and intestine)

50-59:

  1. Haemarthrosis (haemarthrosis is where blood is able to enter the joint capsule)
  2. Abdominal pain
  3. Contusion (a type of hematoma of tissue in which capillaries)
  4. Diarrhoea
  5. Haemorrhage (bleeding)
  6. Muscle spasms (muscle contraction)
  7. Arthritis (form of joint disorder that involves inflammation of one or more joints)
  8. Faeces discoloured
  9. Gastrointestinal haemorrhage (bleeding gastrointestinal tract)
  10. Constipation

60+:

  1. Dizziness
  2. Dyspnoea (difficult or laboured respiration)
  3. Cough
  4. Death
  5. Depression
  6. Diarrhoea
  7. Drug hypersensitivity
  8. Drug ineffective
  9. Dysphonia (speech disorder attributable to a disorder of phonation)
  10. Emotional distress

What are the existing conditions these people have? *

  1. Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 12 people, 26.09%
  2. Wheezing (a high-pitched whistling sound made while you breath): 4 people, 8.70%
  3. Fabry's Disease (build up of a particular type of fat, called globotriaosylceramide, in the body's cells): 4 people, 8.70%
  4. Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 3 people, 6.52%
  5. Dyspnea (difficult or laboured breathing): 3 people, 6.52%

* 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 Methimazole and Flovent:

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 Methimazole:

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 Flovent:

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 Methimazole 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 Flovent 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

Related publications that referenced our studies


How the study uses the data?

The study uses data from the FDA. It is based on methimazole and fluticasone propionate (the active ingredients of Methimazole and Flovent, respectively), and Methimazole and Flovent (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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