<s>[INST] I think I have cold ulticaria. I did the ice cube test and got a positive result. I put an ice cube on my arm for about 3 minutes and it started burning and itching and little tiny hive broke out and formed the shape of the ice cube and look like a welt. And it took only a couple mins to form into a welt. Also I think I might have strep throat. And my ear hurts and a swollen lymph node on the left side [/INST] HI, thanks for using Chat Doctor Sore throat is more commonly viral than bacterial, so it is possible that your sore throat is due to a viral infection unless the pain is severe, lasting more than a few days and associated with persistent fever. Using pain medication may help. The ear pain may be related to the sore throat or problem with the ear itself. If it continues then you may need to be seen to rule out ear infection. Cold urticaria can be treated with anti histamines hope this helps </s>