What Causes Irregular Spotting During Periods While On Klonopin For Anxiety?

Hi, I have a quick question . I started my monthly thing on Monday like was suspose to and bleed all day(heavy Luke always) I drinker Monday night & i take klonopins for amixety. Come Tuesday im.bearlt bleeding. Tuesday night I drink again and as usual take my anxiety meds. Come Wednesday I m just spotting . I drank again on that night. And come Friday morning today, im.not bleeding at all. What is going on. I threw up yesterday. And feel queasy today. And I don t drink to get messed up , just a glass or too of Malibu and pinnacle juice that is it. I have 3 other children 3 yrs old 1 yrs old and 5 months old. I need help. Took test today at 3:00. And says negative . Plz help a bit freaked out cause my period always come heavy and I bleed for 5 days straight. This time I only really bleed 1 day and spotted the rest. And no I do not take birth control. And my husband and I use the pull out method.