<section class="Section" data-sectioncode="34089-3"><a name="s31"></a><a name="section-9"></a><p></p><h1>11 DESCRIPTION</h1><p class="First">TECFIDERA contains dimethyl fumarate which is also known by its chemical name, dimethyl (E) butenedioate, (C<span class="Sub">6</span>H<span class="Sub">8</span>O<span class="Sub">4</span>).  It has the following structure:</p><div class="Figure"><a name="f01"></a><img alt="Structural Formula
" src="tec00-0026-01.jpg"/></div><p>Dimethyl fumarate is a white to off-white powder that is highly soluble in water with a molecular mass of 144.13.</p><p>TECFIDERA is provided as hard gelatin delayed-release capsules for oral administration, containing 120 mg or 240 mg of dimethyl fumarate consisting of the following inactive ingredients: microcrystalline cellulose, silicified microcrystalline cellulose, croscarmellose sodium, talc, silica colloidal silicon dioxide, magnesium stearate, triethyl citrate, methacrylic acid copolymer - Type A, methacrylic acid copolymer dispersion, simethicone (30% emulsion), sodium lauryl sulphate, and polysorbate 80. The capsule shell, printed with black ink, contains the following inactive ingredients: gelatin, titanium dioxide, FD&amp;C blue 1; brilliant blue FCF, yellow iron oxide and black iron oxide.</p></section>

Tecfidera

dimethyl fumarate

dimethyl fumarate 120 MG Delayed Release Oral Capsule

dimethyl fumarate 120 MG Delayed Release Oral Capsule [Tecfidera]

dimethyl fumarate 240 MG Delayed Release Oral Capsule

dimethyl fumarate 240 MG Delayed Release Oral Capsule [Tecfidera]

Psoriasis (PsO)

Psoriatic Arthritis (PsA)

Ankylosing Spondylitis (AS)

Nonradiographic Axial Spondyloarthritis

Taltz

Juvenile Idiopathic Arthritis

Hidradenitis Suppurativa (HS)

Cosentyx

Siliq

Tremfya

Crohn's Disease (CD)

Ulcerative Colitis (UC)

Stelara

Skyrizi

Ilumya

Migraine

Cluster Headache

Migraine Prevention

Emgality

Qulipta

Acute Migraine

Ubrelvy

Nurtec ODT

Vyepti

Aimovig

Ajovy

Breast Cancer: HR+ (HER2-)

Verzenio

Ibrance

Kisqali

Atopic Dermatitis (Eczema)

Cibinqo

Eucrisa

Asthma (injectable)

Asthma OCS Dependent

Nasal Polyposis

Eosinophilic Esophagitis (EoE)

Prurigo Nodularis

Dupixent

Opzelura

Adbry

NSCLC ALK+ OR ROS1+ Disease

Lorbrena

Alecensa

Alunbrig

NSCLC cMET Mutation

Xalkori

Rheumatoid Arthritis (RA)

Xeljanz

Uveitis

Graft Versus Host Disease (GVHD)

Orencia

COVID-19 Treatment

Alopecia Areata

Olumiant

Multiple Sclerosis (MS)

Secondary Progressive Multiple Sclerosis

Zeposia

Rinvoq

Entyvio

Report Adverse Event 

Prescribing Information 

Medication Guide 

Submit MSL Request 

Pharmacy List 

Coverage Authorization Request 

Coverage Authorization Appeals 

Enroll in Patient Savings Program 

Tecfidera Start Form 

Tecfidra Start Form - Online 

About Tecfidera 

Side Effects 

Managing Side Effects 

Taking Tecfidra 

Doctor Discussion Guide (For patients already on Tecfidra)

FAQs: Multiple Sclerosis (MS)

Instructions For Use: Multiple Sclerosis 