Thanks for writing in.
Any history of fever?
Any significant medical history?
Any history of drug intake/ medications?
Any history of joint pains
, decreased urine output etc?
In the absence of the above four, it might be an allergic condition. Try an over the counter anti histamine
drug for 2 days. If no improvement, please visit a dermatologist
Hope this helps.
Dr. Divya Kuttikrishnan