I refuse to eat

Hi! I’m a freshman in college and last semester I gained a few pounds. Before I left for this semester I weighed 216lbs and I’m 5’4-5’5. I’ve always struggled with weight and I have horrible anxiety that has gotten worse since I’ve come to college. I am terrified of going to the dining hall because I just cannot eat without having a panic attack because I’m afraid of people looking at me while I eat. I always cover my mouth. So a combination of this weight problem and anxiety has led me to eating less than 1000 calories a day. It’s usually around 600-700. I’m hungry sometimes but I just cannot get over my anxiety to eat. I also just feel like I gain 10 pounds every time I eat and I am terrified of gaining more weight since I have high blood pressure. Does anyone have any tips on how to get through this anxiety? Mind that I’ve had anxiety my entire life but it has progressively gotten worse since coming to college.