Iressa and Megestrol acetate drug interactions - a phase IV clinical study of FDA data
Summary:
Drug interactions are reported among people who take Iressa (gefitinib) and Megestrol acetate (megestrol acetate). Common drug interactions include alopecia among females and death among males.
The phase IV clinical study analyzes what interactions people have when they take Iressa and Megestrol acetate. It is created by eHealthMe based on reports of 25 people who take the same drugs from the FDA, and is updated regularly.
What is Iressa?
Iressa has active ingredients of gefitinib. eHealthMe is studying from 10,102 Iressa users. Check the latest studies of Iressa.
What is Megestrol acetate?
Megestrol acetate has active ingredients of megestrol acetate. It is often used in appetite - decreased. eHealthMe is studying from 5,427 Megestrol acetate users. Check the latest studies of Megestrol acetate.
25 people who take Iressa and Megestrol acetate together, and have interactions are studied.

What are the common drug interactions of Iressa and Megestrol Acetate, by gender? *:
female:
- Alopecia (absence of hair from areas of the body)
- Hepatitis (inflammation of the liver)
- Rash
- Cough
- Dyspnoea (difficult or laboured respiration)
- Platelet count decreased
- Productive cough
- Chronic gastritis (long lasting infection of stomach lining)
- Dry skin
- Gallbladder disorder
male:
- Death
- Dyspnoea exertional (breathlessness or shortness of breath)
- Weight increased
- Malignant neoplasm progression (cancer tumour came back)
- Metastases to central nervous system (cancer spreads to central nervous system)
- Mood swings (an extreme or rapid change in mood)
- Rash
- Stomatitis (inflammation of mucous membrane of mouth)
What are the common drug interactions of Iressa and Megestrol Acetate, by age (0-1 to 60+)? *:
0-1:
- Dizziness
- Abdominal pain
2-9:
n/a
10-19:
n/a
20-29:
n/a
30-39:
n/a
40-49:
n/a
50-59:
- Hepatitis (inflammation of the liver)
- Platelet count decreased
- Cough
- Diarrhoea
- Dizziness
- Gallbladder disorder
- Pleural effusion (water on the lungs)
- Productive cough
- Rash
- Blood bilirubin increased
60+:
- Stomatitis (inflammation of mucous membrane of mouth)
- Alopecia (absence of hair from areas of the body)
- Metastases to central nervous system (cancer spreads to central nervous system)
- Mood swings (an extreme or rapid change in mood)
- Abdominal pain
- Anaemia (lack of blood)
- Asthenia (weakness)
- Cough
- Disability
- Dizziness
What are the existing conditions these people have? *
- Lung Cancer - Non-Small Cell (lung cancer): 10 people, 40.00%
- Upper Respiratory Tract Infection: 5 people, 20.00%
- Lung Neoplasm Malignant (cancer tumour of lung): 5 people, 20.00%
- Non-Small Cell Lung Cancer Stage Iv: 4 people, 16.00%
- Iron Deficiency Anaemia: 3 people, 12.00%
- Embolism Venous (embolus may pass into the arterial system): 3 people, 12.00%
- Diarrhea: 3 people, 12.00%
- Malignant Respiratory Tract Neoplasm (cancer tumour of respiratory tract): 2 people, 8.00%
- Epilepsy (common and diverse set of chronic neurological disorders characterized by seizures): 2 people, 8.00%
- Cough: 2 people, 8.00%
* Approximation only. Some reports may have incomplete information.
Do you take Iressa and Megestrol acetate?
- Personalize this study to your gender, age, symptoms and drugs
- Predict drug outcomes for up to one year with AI
- Get an AI agent to monitor your drugs continuously
Related studies:
Effectiveness of, side effects of, and alternative drugs to the 2 drugs:
- Iressa (10,102 reports)
- Megestrol acetate (5,427 reports)
Browse all drug interactions of Iressa and Megestrol acetate:
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 zSub-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 Iressa:
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 zBrowse all side effects of Megestrol acetate:
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 zBrowse all interactions between Iressa 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 zBrowse all interactions between Megestrol acetate 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 zHow the study uses the data?
The study uses data from the FDA. It is based on gefitinib and megestrol acetate (the active ingredients of Iressa and Megestrol acetate, respectively), and Iressa and Megestrol acetate (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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