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

Summary:

Drug interactions are reported among people who take Avonex (interferon beta 1a) and Effient (prasugrel hydrochloride). Common drug interactions include acute myocardial infarction among females and myocardial infarction among males.

The phase IV clinical study analyzes what interactions people have when they take Avonex and Effient. It is created by eHealthMe based on reports of 16 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 Effient?

Effient has active ingredients of prasugrel hydrochloride. It is often used in stent. eHealthMe is studying from 9,482 Effient users. Check the latest studies of Effient.

On Jul, 13, 2026

16 people who take Avonex and Effient together, and have interactions are studied.

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

female:

Acute myocardial infarction (acute heart attack)
Pain
Arterial disorder
Asthenia (weakness)
Cold sweat
Coronary artery dilatation
Coronary artery occlusion (complete obstruction of blood flow in a coronary artery)
Euphoric mood (excessively happy but may become angry or irritable)
Hypoaesthesia (reduced sense of touch or sensation)
Infection

male:

Myocardial infarction (destruction of heart tissue resulting from obstruction of the blood supply to the heart muscle)
Coronary artery occlusion (complete obstruction of blood flow in a coronary artery)
Depression
Fatigue (feeling of tiredness)
Head injury
Hospitalisation
Influenza like illness
Joint dislocation (a joint position is changed from normal position)
Joint effusion (presence of extra fluid in joint covering)
Loss of consciousness

What are the common drug interactions of Avonex and Effient, 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:

Acute myocardial infarction (acute heart attack)
Arterial disorder
Asthenia (weakness)
Cold sweat
Coronary artery dilatation
Coronary artery occlusion (complete obstruction of blood flow in a coronary artery)
Euphoric mood (excessively happy but may become angry or irritable)
Hypoaesthesia (reduced sense of touch or sensation)
Infection
Intervertebral disc displacement

50-59:

Influenza like illness
Myalgia (muscle pain)
Alopecia (absence of hair from areas of the body)
Balance disorder
Chest pain
Crohn's disease (a condition that causes inflammation of the gastrointestinal tract)
Depression
Fall
Fatigue (feeling of tiredness)
Head injury

60+:

Myocardial infarction (destruction of heart tissue resulting from obstruction of the blood supply to the heart muscle)
Cardiac procedure complication
Stress
Concussion (short loss of normal brain function in response to a head injury)
Dizziness
Fall
Muscular weakness (muscle weakness)
Musculoskeletal disorder (disease of the body's muscles, joints, tendons, ligaments and nerves)
Wound haemorrhage (bleeding wound)
Acute myocardial infarction (acute heart attack)

What are the existing conditions these people have? *

Ventricular Tachycardia (rapid heartbeat that originates in one of the lower chambers (the ventricles) of the heart): 2 people, 12.50%
Heart Attack: 2 people, 12.50%
Hepatitis C: 1 person, 6.25%
Fatigue (feeling of tiredness): 1 person, 6.25%
Acute Myocardial Infarction (acute heart attack): 1 person, 6.25%

* Approximation only. Some reports may have incomplete information.

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