I am 19 and im taking harvoni+ ribaviri for a month already. 2 month left. and i've been exercising for long time at gym. but when i started treatment i stopped exercising and now i am very skinny and tried to pull up today and i cant do even one pull up. i usually used to do 20-25 per turn. may it be side effect of riba that i had no energy? and will it clear up after treatment is over?