I’ve got an addiction like obsession with blood, do I need help?

I love how it looks, tastes, feels, and smells. I’ve had a history of self-harm due to poor mental health, and many times when I would cut myself, it would just be so I could see and drink my own blood. Lately, it’s escalated to near-murderous thoughts because I want to harm others just to see their blood come out.

So then again I ask do I need professional help?

For some additional context I’m 15M, currently live in Costa Rica, and have also been using almost every drug under the sun.