can cause hives because they are often triggered by viral infections. Apply calamine lotion along as it helps in soothing the skin. Also take some oral over the counter antihistaminic like Benadryl. If the symptoms persist then topical and oral steroids may be needed for which is suggest you to consult a dermatologist.
It is very difficult to precisely confirm a diagnosis without examination and investigations and the answer is based on the medical information provided. For exact diagnosis, you are requested to consult your doctor. I sincerely hope that helps. Take care and please do keep me posted on how you are doing.