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

Summary:

Drug interactions are reported among people who take Avonex (interferon beta 1a) and Eldepryl (selegiline hydrochloride). Common drug interactions include diverticulitis among females.

The phase IV clinical study analyzes what interactions people have when they take Avonex and Eldepryl. 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 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 Eldepryl?

Eldepryl has active ingredients of selegiline hydrochloride. It is often used in parkinson's disease. eHealthMe is studying from 752 Eldepryl users. Check the latest studies of Eldepryl.

On Aug, 04, 2026

14 people who take Avonex and Eldepryl together, and have interactions are studied.

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

female:

Diverticulitis (digestive disease which involves the formation of pouches (diverticula) within the bowel wall)
Pneumonia
Dysphagia (a condition in which swallowing is difficult or painful)
Fall
Gastrooesophageal reflux disease (stomach contents (food or liquid) leak backwards from the stomach into the oesophagus)
Lipase increased
Liver disorder (liver diseases)
Oedema lower limb (fluid collection in tissue of lower leg)
Pancreatitis (inflammation of pancreas)
Pneumonia aspiration (bronchopneumonia that develops due to the entrance of foreign materials into the bronchial tree)

male:

n/a

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

n/a

30-39:

Abdominal pain upper
Blood amylase increased
Endometriosis (appearance of endometrial tissue outside the uterus and causing pelvic pain)
Lipase increased
Oedema lower limb (fluid collection in tissue of lower leg)
Pancreatitis (inflammation of pancreas)
Raynaud's phenomenon (discoloration of the fingers, toes, and occasionally other areas)
Back pain
Peripheral vascular disease
Thyroiditis (inflammation of thyroid gland)

40-49:

n/a

50-59:

Gastrooesophageal reflux disease (stomach contents (food or liquid) leak backwards from the stomach into the oesophagus)
Liver disorder (liver diseases)
Rash
Tremor (trembling or shaking movements in one or more parts of your body)
Weight increased
Cholecystitis chronic (long lasting infection of gallbladder)
Diplopia (double vision)
Dyspnoea (difficult or laboured respiration)
Lobar pneumonia (a form of pneumonia that affects a large and continuous area of the lobe of a lung)
Mass

60+:

Dysphagia (a condition in which swallowing is difficult or painful)
Pneumonia aspiration (bronchopneumonia that develops due to the entrance of foreign materials into the bronchial tree)
Pneumonia

What are the existing conditions these people have? *

Hypothyroidism (abnormally low activity of the thyroid gland, resulting in retardation of growth and mental development): 1 person, 7.14%
Fatigue (feeling of tiredness): 1 person, 7.14%

* Approximation only. Some reports may have incomplete information.

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