Hi Doctor, I Just Wanna Ask, My Doctor Just Prescribe

hi doctor, i just wanna ask, my doctor just prescribe 0.25 mg zolax (xanax) and my dosage 1-5 days, i Must taken 1/2 of the 0.25mg pills in the morning and at night 1 pills of 0.25 mg and along i take magne b6 and vitamin b-complex. for the 6-10 days i must take 1/2 of 0.25mg pills at night. will it cause serious side effect during the withdrawal