Should i go to class tomorrow

Today its been one of the most stressful days of the beginning of the year i had a panic attack anxiety all day and threw up nothing but water cause of stress and its been awful i feel unwanted and horrible and tomorrow i have a test its the second week of school but im just full of anxiety rn i have to go and im studying but my mind isnt taking anything in i just want to cry and sleep this feeling away i have anxiety and panic attacks like ive been diagnosed because i ended up in the hospital im stressed out and idk if this is gonna trigger anything worse. What should i do?