About 4 Days Ago I Developed A Very Sharp Pain

About 4 days ago I developed a very sharp pain in my right upper quadrant just under my ribs also with this was swollen itchy palms face mouth and genital area. I was seen in the ER that night and was given Benadryl and prednisone through IV. As of today the pain in my stomach has somewhat subsided but I still have very itchy palms in my mouth my face feel swollen I'm not sure which direction to go