Since when are you having these urticaria?
Are they worse during any particular weather?
Are the rashes worse during any part of the day?
Is there any rash with itching, redness, swelling, pain etc.?
Is the itching better or worse by cold or warm applications?
Is it worse by any particular foods?
How is your appetite, thirst, urination, bowel movement, perspiration, sleep etc.?
More symptoms would be needed to have more idea about urticaira.
With homeopathic medicine if the remedy is right there should be a significant change i.E decrease in intensity and frequency or urticaria in six weeks.