<s>[INST] Daughter has flesh colored skin rash in various places. Patch on back and one behind her knee. Slight itching which abates during the night. The rash appears in different areas then goes away and appears in other areas. No other symptoms. Only change in her life is that she returned to work just before rash appeared. [/INST] Hi, The rash is most probably due to urticaria (hives). Common causes are food, Chat Doctor.  Ideal treatment is finding and avoid the aggravating factor along with antihistamine tablet. You can take an antihistamine tablet. If you do not get any improvement in a week, you must consult your Dermatologist as soon as possible. Hope I have answered your query. Let me know if I can assist you further.  </s>