Please help .allergic reaction?advice needed asap

Danielle

So had a water infection that hasn't cleared up for months had 2 lots of antibiotics to be told i have suspected kicney infection as have blood in urine pain to one side and cloudy urine. had bloods and urines sent off to labs yestday stared some new antibitocis only took 2 so far as didnt get given them till half way through the day im itchin like crazy all over is it an alletgic reaction?i cant leave house as son in bed it 1230 am.just need to put my mind at rest .will i be ok to wait til morning to speak with a doctor or is there anything i can do at home to help resolve it i have taken 1000mg of antibitoics they are called cefaxexin any advice welcome