Lack of potassium symptoms and conditions

So I never sleep I now I am short tempered but Its way worse... Even when I have a few beerz I cant sleep more than a few hours I am on like day 26 of my first 30 day dose and I was haven leg cramps but I thought it was lack of
potassium so I take it in a pill. the charle horses would be so bad I would wake up screaming and unable to walk for a while.... I never associated with advair... I went to bed at 11 and I been up since 2 I cant sleep and my throat hurts too ,,, so i was like i should look up some side effects on this stuff.. low and behold... i am miserable and i just got a refill