Hello I Keep Getting New Blisters And Big Red Itchy

Hello I keep getting new blisters and big red itchy bumps on my hands neck and my face a couple on my leg I have been prescribed three different antibiotics which were clindamycin 300 mg amoxicillin 100 mg and Keflex 500mg I have been prescribed three different steroid creams and also using hydrocortisone nothing is saying to be working and I'm waking up with new bumps and blisters as well as getting them throughout the day I was thinking I was allergic to alcohol because every time I would drink alcohol I will wake up with bumps but shortly after that everything anyting I was still getting new bumps this has been going on since August 26 is there something you can tell me I have been to three different doctors but on Monday I have an appointment to an allergy specialist but is there anything you can tell me I can do before Monday because it's itching is terrible and it just won't stop whatever I do I've been taking Claritin I've been taking Zyrtec I've also been taking Benadryl and using hydrocortisone cream nothing is