Chantel, I had a similiar problem with my two boys when my second was born. My two children are both autistic as well. The oldest has Asperger's, and my youngest is a high functioning autistic. When the youngest was born, my oldest was in a head butting stage. He actually head butted my baby when I was feeding him one day. I reacted like a bad mother at that moment, and I have regretted it ever since as I hit my oldest in an instant. However, your mothering instincts kick in to protect the baby, and sometimes it is hard to recognize the threat in an instant. First, let me reassure you this too shall pass. Have you tried to distract him while you spend time with the baby? In a form that would make him feel comfortable, sensory fufilled, and rewarded? My children (and most autistic kids I have met) love video games. Could you provide him with a computer game, or Nintendo game, or Playstation game that might distract him? My yongest self stimulates (the hand flapping, hitting, etc. actions) the most when he is playing video games. It almost puts him in a trance, and it distracts him completely. Autistic children usually attach to one person immensely. My husband is that person for my youngest, and I am that person for my oldest. They don't like to share this person. That person becomes their property, a thing almost. You are apparently the "it" person for your child. Distraction is going to be key in order to get through this period. Reward him with your time, but when you cannot be there like he wants, give him another option that takes up his attention. As I said, video games have become that distraction for us. Lots of parents disagree with video games for children, but I assure you they do not have autistic children. Pick games that let them learn, as well as things they enjoy. My youngest enjoys mario brothers games. He has even memorized and drawn out every map on that game with crayons and printer paper. I think it helps his memory, intelligence, and his emotional senses. We provide other things for him as well as his brother, but dividing this time up so that each need is met is the most important thing right now. It will provide you relief as well as him. I hope this suggestion helps. It allows me to get my housework done and have time to myself when I really need it. Raising autistic kids isn't easy, but it is one you can manipulate and navigate to help you along this path. Also, make sure you join groups with other autistic parents. Sometimes they provide information that will help you along. Ipads have been proven and studied to help autistic childern to communicate and overcome sensory issues also. Perhaps, something your family can check into to.