I Have Been Experiencing Severe Anxiety. It Has Been So

I have been experiencing severe anxiety. It has been so debilitating- i get nauseous, scared, overthink, get nightmares, cant eat, get heat flashes, have loose and frequent bowel movements. Its been happening for over a month and i just found out that one of my medications was exacerbating it so i just stopped taking it. This isn't like me. I am getting nervous and anxious about everything. In fact i get nervous and frightened about GETTING nervous and about how i was nervous before so it can happen again. I get nervous when a guy texts me or if i grab lunch with a guy...and it isnt the normal type of nervousness. Its like me being a disgrace to my parents type if nervousness. I dont know why. I want to feel free and carefree and blessed with grace and joy. Right now i feel restrained- like someone is controlling me and giving me negative, unwanted thoughts. I want to be myself again. Do you think you can help me or give me some tips?