Rebif and Lys drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Rebif (interferon beta-1a) and Lys (lysine). Common drug interactions include drug ineffective among females and anxiety among males.

The phase IV clinical study analyzes what interactions people have when they take Rebif and Lys. It is created by eHealthMe based on reports of 21 people who take the same drugs from the FDA, and is updated regularly.

What is Rebif?

Rebif has active ingredients of interferon beta-1a. It is often used in multiple sclerosis. eHealthMe is studying from 61,126 Rebif users. Check the latest studies of Rebif.

What is Lys?

Lys has active ingredients of lysine. eHealthMe is studying from 16,532 Lys users. Check the latest studies of Lys.

On Jul, 15, 2026

21 people who take Rebif and Lys together, and have interactions are studied.

What are the common drug interactions of Rebif and Lys, by gender? *:

female:

Drug ineffective
Hypoaesthesia (reduced sense of touch or sensation)
Basal cell carcinoma (a skin cancer, it rarely metastasizes or kills)
Insomnia (sleeplessness)
Migraine (headache)
Breast cancer
Hot flush (sudden feelings of heat)
Influenza like illness
Breast cancer stage ii
Drug effect increased

male:

Anxiety
Ataxia (loss of full control of bodily movements)
Hypertonic bladder (bladder-storage function that causes a sudden urge to urinate)
Hypoaesthesia (reduced sense of touch or sensation)
Insomnia (sleeplessness)
Memory impairment
Micturition urgency (urgency to pass the urine)
Monoparesis (one limb is very weak, but not completely paralyzed)
Movement disorder (neurological syndromes where they may be excess of movement or a paucity of movement that is not connected to weakness)
Muscle spasticity (tight or stiff muscles and an inability to control those muscles)

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

Influenza like illness
Injection site reaction

30-39:

n/a

40-49:

Heart rate irregular
Hypertension (high blood pressure)
Road traffic accident
Spondylolisthesis (displacement of a vertebra or the vertebral column in relation to the vertebrae below)
Supraventricular tachycardia (rapid heart rhythm originating at or above the atrioventricular node)
Ventricular extrasystoles (premature cardiac contraction)

50-59:

Breast cancer stage ii
Drug effect increased
Drug ineffective
Drug withdrawal headache
Impaired healing
Mastitis (inflammation of breast)
Migraine (headache)
Scar
Breast cancer
Conjunctivitis infective (infection of the conjunctiva)

60+:

Alopecia (absence of hair from areas of the body)
Breast cancer
Colitis microscopic (inflammation of colon with diarrhoea and abdominal cramps)
Cystitis (inflammation of the wall of the bladder)
Diarrhoea
Drug ineffective
Osteopenia (a condition where bone mineral density is lower than normal)

What are the existing conditions these people have? *

Gait Disturbance: 5 people, 23.81%
Secondary Progressive Multiple Sclerosis (a stage of ms which comes after relapsing remitting ms in many cases): 2 people, 9.52%

* Approximation only. Some reports may have incomplete information.

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