Please at least go to the drugstore & speak with a pharmacist about best treatment. I’d suggest immediate care center as the swelling is definitely abnormal for poison ivy. 

 I got some prednisone burning a hole in my pocket that I might need to take. and you're right, from all the times I've gotten a reaction it's never swelled like this.  

 Hope you’re feeling better 💜 

 thank you.  

 You’re welcome.