My allergist told me 3 days no antihistmines, Your doctor may put you on Prednisone if you are having a severe outbreak....
I have on and off hives since September of 2016, I have 2 RediMed Visits, 4 Family Doctor Visits and 4 Allergist appointments. I been on Zytec for 4 years for sessonal allergies, I one start braking...