I have been taking lo loestrin fe for almost a month and i'm a smoker (marlboro black menthol). Twice now i have been to the emergency room for shortness of breath, feeling like i'm going to pass, a cold feeling all over, and a cold almost burning like i've peed my self but have not! I also started taking zoloft at the same time... the doctors said my potassium was low, gave me some and sent me home. Wondering if anyone else has had symptoms like this with BC or the zoloft while smoking or if it could be something completely different.