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

Summary:

Drug interactions are reported among people who take Forteo (teriparatide recombinant human) and Tysabri (natalizumab). Common drug interactions include irritable bowel syndrome among females and insomnia among males.

The phase IV clinical study analyzes what interactions people have when they take Forteo and Tysabri. It is created by eHealthMe based on reports of 34 people who take the same drugs from the FDA, and is updated regularly.

What is Forteo?

Forteo has active ingredients of teriparatide recombinant human. It is often used in osteoporosis. eHealthMe is studying from 127,076 Forteo users. Check the latest studies of Forteo.

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, 13, 2026

34 people who take Forteo and Tysabri together, and have interactions are studied.

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

female:

Irritable bowel syndrome
Joint swelling
Loss of consciousness
Palpitations (feelings or sensations that your heart is pounding or racing)
Pneumonia
Pulmonary sepsis (pus in lungs)
Respiratory tract congestion (blockage on respiratory system)
Urinary tract infection
Pneumonia bacterial (pneumonia associated with bacterial infection)
Weight increased

male:

Insomnia (sleeplessness)
Abdominal pain upper
Injection site nodule (small swelling or aggregation of cells in the body, esp. an abnormal one at injection site)
Injection site pain
Injection site scar
Joint swelling
Muscle spasms (muscle contraction)
Nausea (feeling of having an urge to vomit)
Skin cancer
Sleep apnoea syndrome (a sleep-related disorder in which the effort to breathe is diminished or absent)

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

n/a

30-39:

Insomnia (sleeplessness)
Abdominal distension
Abdominal pain upper
Aphasia (damage to the parts of the brain that control language)
Carpal tunnel syndrome (nerve compression at wrist results numbness weakness, pain , swelling)
Cognitive disorder (mental health disorders affects learning, memory, perception, and problem solving)
Fatigue (feeling of tiredness)
Injection site bruising
Injection site nodule (small swelling or aggregation of cells in the body, esp. an abnormal one at injection site)
Injection site pain

40-49:

Asthma
Cardiomyopathy (weakening of the heart muscle)
Chronic obstructive pulmonary disease (a progressive disease that makes it hard to breathe)
Depression
Gastrooesophageal reflux disease (stomach contents (food or liquid) leak backwards from the stomach into the oesophagus)
Hyperlipidaemia (presence of excess lipids in the blood)
Irritable bowel syndrome
Small intestinal perforation (hole in small intestine)
Type 2 diabetes mellitus
Arthritis (form of joint disorder that involves inflammation of one or more joints)

50-59:

Heart valve incompetence (heart's valves do not work correctly)
Hyperhidrosis (abnormally increased sweating)
Nail disorder (disease of nail)
Pain in extremity
Pneumonia bacterial (pneumonia associated with bacterial infection)
Tremor (trembling or shaking movements in one or more parts of your body)
Adverse event
Anaemia (lack of blood)
Angioedema (rapid swelling of the dermis)
Arteriosclerosis coronary artery (thickening and hardening of arteries- coronary artery)

60+:

Nausea (feeling of having an urge to vomit)
Dizziness
Back pain
Fatigue (feeling of tiredness)
Pruritus (severe itching of the skin)
Balance disorder
Nasopharyngitis (inflammation of the nasopharynx)
Arthritis (form of joint disorder that involves inflammation of one or more joints)
Hypersensitivity
Knee arthroplasty

What are the existing conditions these people have? *

Pain: 2 people, 5.88%
Crohn's Disease (a condition that causes inflammation of the gastrointestinal tract): 2 people, 5.88%

* Approximation only. Some reports may have incomplete information.

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