How Can A Labia Cut With Bleeding Be Treated?

Hi I was giving my partner oral sex and he was fingering me...at one point I felt pain went to the bathroom and saw blood on my inner thigh and pantie...I wiped and got a mirror thats when I saw my inner libia has a cut his fingernail must have done that...what do I do to cure it? Do I need to see my gyn? This just happened abt 30mins ago. Pls help me this has never happened to m. Thank you