Its a kind of allergy caused by many kinds of foods, stings, external factors etc. Patient himself or herself is the best judge to find how it triggers.
As per ayurveda, we have a clear principle that it is caused by Pitta and Capha vitiation. These are two basic humors of body. All the causes searched by modern science are basically Pitta and kapha vitiation.
Nomenclature and principles apart, patients do not need to take drugs which cause side effects. Instead avoid known triggers and take Turmeric powder and Neem leaves (
Azadirachta indica) plus sugar candy powder (if not diabetic). Mixture of these powders removes
hives.
One classic prepared Ayurvedic powder called HARIDRA KHAND alone is capable of treating hives. This is little smelly and mildly unpalatable but when one is cured without side effects, its soul soothing. Hundreds of my patients in three decades those passed felt a sigh of relief with this simple medicine after they wasted a lot of money on
allergy tests and side effect causing injections and medicines.
So my own patients believe in this medicine which is also having sustained effect because it corrects the balance of humors.
Hope it helps. Yes it will help you 100%