) are red, itchy, raised areas of skin that appear in varying shapes and sizes. They have a tendency to change size rapidly and to move around, disappearing in one place and reappearing in other places, often in a matter of hours.
The mainstay of treatment of hives is antihistamine which may be necessary for prolonged periods (in excess of 6 weeks). She can take non-sedating antihistamines such as Cetirizine(Zyrtec) or Loratadine to get symptom relief. Sedating antihistamines such as Benadryl is used at night to get urticaria
control. Short courses of oral cortisone or steroids are taken for short periods (one to three days) to settle more severe symptoms.
If the symptoms persist then please get it evaluated from 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.