Depression?

So lately i’ve been feeling numb. I don’t feel sad nor happy. I’ve been fine in my opinion, but lately i’ve been getting nauseous a lot. I will feel perfectly fine and within minutes it turns to me needing to run to the toilet. I am not pregnant nor have I had any intercourse in over eight months. I believe I may be depressed and am lying to myself and my body notices it yet I don’t. I will eat and while taking a bite I get nauseous and end up throwing up. I shower and get changed and need to throw up. I just have been getting this for weeks now and I don’t feel sick. It tends to go away after I throw up, but then it comes back the next day. I don’t eat junk food and I consider myself to be pretty healthy. I am also vegan as well. I have went through a pretty hurtful break up a few months ago and I turn 18 in June. I may be sad, stressed and just overwhelmed. As I said before, I feel perfectly fine, but I may also be lying to myself and starting to believe it. Have you experienced something similar? Do you have an idea as to what this may be? Please share your thoughts with me, I would love to get some feedback .