Avonex and Megestrol acetate drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Avonex (interferon beta 1a) and Megestrol acetate (megestrol acetate). Common drug interactions include breast cancer stage iii among females and arthralgia among males.

The phase IV clinical study analyzes what interactions people have when they take Avonex and Megestrol acetate. It is created by eHealthMe based on reports of 12 people who take the same drugs from the FDA, and is updated regularly.

What is Avonex?

Avonex has active ingredients of interferon beta 1a. It is often used in multiple sclerosis. eHealthMe is studying from 198,544 Avonex users. Check the latest studies of Avonex.

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.

On Jul, 09, 2026

12 people who take Avonex and Megestrol acetate together, and have interactions are studied.

Avonex and Megestrol acetate drug interactions.

What are the common drug interactions of Avonex and Megestrol Acetate, by gender? *:

female:

Breast cancer stage iii
Confusional state
Dementia alzheimer's type (loss of mental ability with alzheimer's symptom)
Depression
Deep vein thrombosis (blood clot in a major vein that usually develops in the legs and/or pelvis)
Myocardial infarction (destruction of heart tissue resulting from obstruction of the blood supply to the heart muscle)
Pulmonary embolism (blockage of the main artery of the lung)
Respiratory tract infection
Vaginal haemorrhage (vaginal bleeding)
Gait disturbance

male:

Arthralgia (joint pain)
Joint swelling
Atrial fibrillation (fibrillation of the muscles of the atria of the heart)
Pneumonia
Sepsis (a severe blood infection that can lead to organ failure and death)
Urinary tract infection
Blood potassium decreased
Tachycardia (a heart rate that exceeds the range of 100 beats/min)

What are the common drug interactions of Avonex and Megestrol Acetate, 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:

n/a

50-59:

Gait disturbance
Breast cancer
Breast cancer stage iii
Depression
Deep vein thrombosis (blood clot in a major vein that usually develops in the legs and/or pelvis)
Myocardial infarction (destruction of heart tissue resulting from obstruction of the blood supply to the heart muscle)
Pulmonary embolism (blockage of the main artery of the lung)
Vaginal haemorrhage (vaginal bleeding)

60+:

Confusional state
Dementia alzheimer's type (loss of mental ability with alzheimer's symptom)
Arthralgia (joint pain)
Joint swelling
Atrial fibrillation (fibrillation of the muscles of the atria of the heart)
Pneumonia
Sepsis (a severe blood infection that can lead to organ failure and death)
Urinary tract infection
Blood potassium decreased
Tachycardia (a heart rate that exceeds the range of 100 beats/min)

What are the existing conditions these people have? *

Nausea (feeling of having an urge to vomit): 5 people, 41.67%
Depression: 2 people, 16.67%
Myelodysplastic Syndrome (a group of conditions that occur when the blood-forming cells in the bone marrow are damaged): 1 person, 8.33%

* Approximation only. Some reports may have incomplete information.

Do you take Avonex 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