depends
im 8 months sober from alcohol and xanys, i just got over a rough week, panic attack, and anxiety....went to the gym last week, had a panic....today i went back, felt completely different, before, during, and after the workout, feel great. give it time....ur 3 month in and thats the acute withdrawals that uve gotten over, now the body has to even out...it slowly climbs up, then slowly comes down till it evens out, like a few up there have stated, give it about a year. WHats also dependent is how much and how long...but give urself a year before u make any assumptions about something being wrong...good things take time...ur gnna be alright