Tenormin and Tysabri drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Tenormin (atenolol) and Tysabri (natalizumab). Common drug interactions include paraesthesia among females and progressive multifocal leukoencephalopathy among males.

The phase IV clinical study analyzes what interactions people have when they take Tenormin and Tysabri. It is created by eHealthMe based on reports of 32 people who take the same drugs from the FDA, and is updated regularly.

What is Tenormin?

Tenormin has active ingredients of atenolol. It is often used in high blood pressure. eHealthMe is studying from 20,474 Tenormin users. Check the latest studies of Tenormin.

What is Tysabri?

Tysabri has active ingredients of natalizumab. It is often used in multiple sclerosis. eHealthMe is studying from 221,369 Tysabri users. Check the latest studies of Tysabri.

On Jul, 29, 2026

32 people who take Tenormin and Tysabri together, and have interactions are studied.

What are the common drug interactions of Tenormin and Tysabri, by gender? *:

female:

Paraesthesia (sensation of tingling, tickling, prickling, pricking, or burning of a person's skin with no apparent long-term physical effect)
Peroneal nerve palsy
Muscular weakness (muscle weakness)
Progressive multifocal leukoencephalopathy (rapidly progressive neuromuscular disease caused by opportunistic infection of brain cells)
Vomiting
Malaise (a feeling of general discomfort or uneasiness)
Back pain
Concussion (short loss of normal brain function in response to a head injury)
Fatigue (feeling of tiredness)
Pain

male:

Progressive multifocal leukoencephalopathy (rapidly progressive neuromuscular disease caused by opportunistic infection of brain cells)
Osteoporosis (bones weak and more likely to break)
Balance disorder
Gait disturbance
Nausea (feeling of having an urge to vomit)
Neuralgia (pain in one or more nerves)
Weight decreased
Anaemia (lack of blood)
Bone density decreased
Bone disorder

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

Progressive multifocal leukoencephalopathy (rapidly progressive neuromuscular disease caused by opportunistic infection of brain cells)

30-39:

Progressive multifocal leukoencephalopathy (rapidly progressive neuromuscular disease caused by opportunistic infection of brain cells)
Anaemia (lack of blood)
Decreased appetite
Diabetes mellitus (diabetes, caused by a deficiency of the pancreatic hormone insulin)
Diplopia (double vision)
Diverticulum intestinal haemorrhagic (a pouch that is attached to the first part of the small intestine with bleeding)
Dysgeusia (disorder of the sense of taste)
Eosinophil count increased
Eyelid ptosis (falling of the upper or lower eyelid)
Malaise (a feeling of general discomfort or uneasiness)

40-49:

Progressive multifocal leukoencephalopathy (rapidly progressive neuromuscular disease caused by opportunistic infection of brain cells)
Urinary tract infection
Vomiting
Anxiety
Muscle spasms (muscle contraction)
Nausea (feeling of having an urge to vomit)
Stress
Pain
Aortic disorder
Aphasia (damage to the parts of the brain that control language)

50-59:

Photophobia (extreme sensitivity to light)
Pleural fibrosis (formation of fibrous tissue in lung)
Post laminectomy syndrome
Prostate cancer
Pruritus (severe itching of the skin)
Rash generalised (rash on most of body parts)
Rash pruritic (redness with itching)
Renal failure (kidney dysfunction)
Sciatica (a set of symptoms including pain caused by general compression or irritation of one of five spinal nerve roots of each sciatic nerve)
Scrotal irritation (irritation in scrotum)

60+:

Ankle fracture
Arthritis (form of joint disorder that involves inflammation of one or more joints)
Pneumonia
Anaphylactic shock (severe and rapid and sometimes fatal hypersensitivity reaction to a substance)
Central nervous system lesion (an abnormality in tissue of brain or spinal cord)
Chills (felling of cold)
Cyanosis (lack of oxygen in body leads to blue appearance of skin ,mucous membrane nails)
Erythema (redness of the skin)
Gait disturbance
Middle insomnia (difficulty returning to sleep after awakening either in the middle of the night)

What are the existing conditions these people have? *

Gait Disturbance: 7 people, 21.88%
Erection Problems: 4 people, 12.50%
Relapsing-Remitting Multiple Sclerosis (reoccurrence of an inflammatory disease in which the insulating covers of nerve cells in the brain and spinal cord are damaged): 3 people, 9.38%
Back Pain: 3 people, 9.38%
Nausea (feeling of having an urge to vomit): 2 people, 6.25%
Arthritis (form of joint disorder that involves inflammation of one or more joints): 2 people, 6.25%

* Approximation only. Some reports may have incomplete information.

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