b'Medicine & ResearchUses in MS-relatedCommon Side Eects Other Considerationsfatigue4-Aminopyridine Sodium-channel Drowsiness,Patients should notblocking medication numbness and take dalfampridineMost eective in tingling in the face or (Ampyra) andMS-related fatigue hands, GI problems, 4-aminopyridine atcaused from heat restlessness, anxiety, at the same time,intolerance and headache because both productscontain the sameactive ingredientShould not be usedin patients who haveseizure disordersOnly available fromcompoundingpharmaciesMonthly costs $70Levocarnitine Naturally occuring Abdominal pain,Available over-the-metabolic compound nausea, vomiting, counterwhich functions as a diarrhea, and Monthly costs $100carrier molecule for headachelong-chain fattyacids, withinmitochondria, facilitating energyproduction.Methylphenidate Stimulant Nervousness,Should not be used in(Ritalin), medications trouble sleeping, patients who haveDextroamphetamine/ Less commonly used and weight loss heart and/or amphetamine to treat MS-related phychological(Adderall) fatigue problemsLisdexamfetamine Controlled substance(Vyvanse) medicationPrices range from$60 to $400 monthlydepending uponwhether the productis availablegenerically**Approximate retail price from www.goodrx.commsfocusmagazine.org 64'