Nonpalpable petechiae/purpura
Mucosal bleeding (gingival, epistaxis)
Menorrhagia, hemoptysis, hematuria, hematochezia
Deep tissue/joint bleeding is less common (more likely due to coagulopathies)
Thrombocytopenia
Marrow infiltration 
Thrombocytosis
Viral infections 
Neutropenia
Marrow suppression 
Leukopenia
Congenital thrombocytopenia