How do I get along with my mother?

I dont like my mom. Shes a female-DOG! She doesnt listen. She says im just a girl and nothing else. She thinks I have a personality disorder when im beibg myself. She knows Nothing about me. She treats me like a disease she always picks fights with me and I cant even take Communion because of it. I cut myself. She says she knows everything about me but she knows nothing. She knows I dont like her and she doesnt care... She loves to fight with me. It gets on my nerves. I have dreams of killing her. When I was little I used to have a hammer under my pillow just in case she made me angry enough I cud bash her face in. Ive came close to poisoning her water, her food. I struggle to find the good in her. I try talking things out she only listens so she can just say that shes right. I want a mom to listen. Not be a self-absorbed, dramatic, loud, mean, snarky, vendictive child. This woman is in her fifties ( I dont even kn her age). If I stay here any longer Im gonna freakin crack and kill this woman. I have terrible headaches that she just doesnt care to look at. I used to have bumps behind my ears and head when I got headaches. I self harm, I get angry So fast I cant even hold a conversation with my parents. Im tired of feeling this way; a 16 year old should be having fun instead of being angry and thinking about killing her mom.