Tecfidera and Bisacodyl drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Tecfidera (dimethyl fumarate) and Bisacodyl (bisacodyl). Common drug interactions include musculoskeletal stiffness among females and flushing among males.

The phase IV clinical study analyzes what interactions people have when they take Tecfidera and Bisacodyl. It is created by eHealthMe based on reports of 79 people who take the same drugs from the FDA, and is updated regularly.

What is Tecfidera?

Tecfidera has active ingredients of dimethyl fumarate. It is often used in multiple sclerosis. eHealthMe is studying from 129,627 Tecfidera users. Check the latest studies of Tecfidera.

What is Bisacodyl?

Bisacodyl has active ingredients of bisacodyl. It is often used in constipation. eHealthMe is studying from 18,852 Bisacodyl users. Check the latest studies of Bisacodyl.

On Jul, 25, 2026

79 people who take Tecfidera and Bisacodyl together, and have interactions are studied.

Tecfidera and Bisacodyl drug interactions.

What are the common drug interactions of Tecfidera and Bisacodyl, by gender? *:

female:

Musculoskeletal stiffness (stiffness of the body's muscles, joints, tendons, ligaments and nerves)
Neck pain
Neuralgia (pain in one or more nerves)
Odynophagia (painful swallowing, in the mouth (oropharynx) or oesophagus)
Oral herpes (viral infection of mouth)
Oropharyngeal pain
Piloerection (goose bumps)
Sinusitis (inflammation of sinus)
Skin disorder (skin disease)
Sleep disorder

male:

Flushing (the warm, red condition of human skin)
Asthenia (weakness)
Death
Irritability
Pain
Cellulitis (infection under the skin)
Mobility decreased (ability to move is reduced)
Seizure (abnormal excessive or synchronous neuronal activity in the brain)
Central nervous system lesion (an abnormality in tissue of brain or spinal cord)
Ear infection

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

n/a

30-39:

Cellulitis (infection under the skin)
Seizure (abnormal excessive or synchronous neuronal activity in the brain)
Meningitis viral (viral inflammation of the protective membranes covering the brain and spinal cord, known collectively as the meninges)
Death
Hypernatraemia (an abnormally high plasma concentration of sodium ions)
Neuralgia (pain in one or more nerves)
Progressive multiple sclerosis (chronic autoimmune disease of the central nervous system in which gradual destruction of myelin occurs in patches throughout the brain or spinal cord)
Transaminases increased
Urinary tract infection

40-49:

Oesophageal carcinoma (cancer tumour of oesophagus)
Chronic lymphocytic leukaemia (cancer in which the bone marrow makes too many lymphocytes (a type of white blood cell))
Irritable bowel syndrome
Upper-airway cough syndrome
Flushing (the warm, red condition of human skin)
Urinary tract infection
Asthenia (weakness)
Cognitive disorder (mental health disorders affects learning, memory, perception, and problem solving)
Dysstasia (difficulty in standing)
Eczema (patches of skin become rough and inflamed, with itching and bleeding blisters)

50-59:

Upper-airway cough syndrome
Balance disorder
Central nervous system lesion (an abnormality in tissue of brain or spinal cord)
Fall
Femur fracture
Quadriparesis (muscle weakness affecting all four limbs)
Abdominal pain
Abdominal pain upper
Aggression
Breast cancer

60+:

Abdominal distension
Diarrhoea
Metapneumovirus infection (infection with human metapneumovirus)
Muscular weakness (muscle weakness)
Pneumonia aspiration (bronchopneumonia that develops due to the entrance of foreign materials into the bronchial tree)
Pneumonia viral
Respiratory distress (difficulty in breathing)
Staphylococcal infection (an infection with staphylococcus bacteria)
Agitation (state of anxiety or nervous excitement)
Irritability

What are the existing conditions these people have? *

Pain: 12 people, 15.19%
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): 9 people, 11.39%
Chest Pain: 5 people, 6.33%
Sleep Disorder: 4 people, 5.06%
Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 4 people, 5.06%
Hypersensitivity: 4 people, 5.06%
Dyspnea (difficult or laboured breathing): 4 people, 5.06%
Depression: 4 people, 5.06%

* Approximation only. Some reports may have incomplete information.

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