Dealing with anxiety

Hi everyone. I have had anxiety and OCD for as long as I can remember. For some reason it feels so bad this year..... I feel heart palpitations, I am having trouble catching my breath (a sign of my anxiety) and im just so tired and overwhelmed. I am not sure what to do.... this is my 4th year and im just so panicked. I feel like im also very irritable. I try to be happy and positive but I am struggling