Fatigue and cognition in patients with relapsing multiple sclerosis treated with interferon β.

Introduction: Fatigue and cognitive deficits are common symptoms affecting patients with multiple sclerosis.

Methods: The effects of interferon beta on fatigue and cognitive deficits were assessed in 50 patients with relapsing multiple sclerosis (recruited at a single center). The pre-treatment assessments were performed on visits 1 and 2 (Months 0 and 3).