Ocd anxiety clinical depression. Limits!

I hv been diagnosed with ocd anxiety disorder with depression since 2004 at age of 17 Doctors hv tried every med they hv but nothing much happen Now I hv been prescribed dosulepin 75 bd Paroxetine 25 bd  oxazepam 15 bd. olianz f (olanxapine 5 with fluoxetine 20) at night and tenolol 50 in morning) After so many years I started to feel batter but many mood swings happen everyday Cries sometime per day My worry is that this time I think medicine are very high 2ssri 1 antidepressants and 1 atypical atypical antipsychotic a benzo and a beta blocker Or should I continue to take these medicine Should I ask my doc to prescribe a divalproex or lithium to control mood swing .Is my current medication ok or exceeds the limits