thanks for your query at HCMdayquil
can cause decrease in blood platelets in rare occasions.
platelets are cells that are present in our blood that stop bleeding inside body.
any decrease in platelets will cause bleeding
but this is very rare cause ,
you should consider other things for your bleeding.
i recommend you to consult ent specialist
so that he can examine and guide you in furrther investigation and management.
till then get complete blood picture with platelet count