Primary neurologic, psychiatric or other medical disorder other than MS

History of seizures or seizure disorder

History of head trauma or medical device in head or neck

Clinically significant abnormality on EKG

Current symptomatic treatment for fatigue

Symbol Digit Modalities Test or SDMT score≥3.0 SD from published norms

WRAT-4 reading level below average (\<85) (estimated general intellectual function)

Beck Depression Inventory-Fast Screen (BDI- FS) score ≥10

Current chronic headaches or migraines

Skin disorder/sensitive near stimulation locations

tDCS for the Management of Multiple Sclerosis Related Fatigue