Thanks for the input.
What you have is Urticaria.
Urticaria is an allergic response of the skin to a variety of allergens in food and environment. It could also be due to some infection in the body. It is more of a detective work to find out the exact cause of urticaria and blood analysis rarely helps.
The treatment is with short and long acting antihistamines, steroids and treatment or avoidance of the precipitating cause.
Here is what to do:
1. Make a list of things that you have done, eaten or come in contact with before you got the hives. In your case, I would also suggest looking around in your bedroom for the causes, like bed bugs, woolen blanket, dust, dust mites, other insects, night dresses etc.
2. Try avoiding the suspected agents, as far as possible.
3. When you get the attacks, take a short acting antihistamine like Benadryl 1 at night and/or Cetrizine 10 mg 1 in the morning.
4. These antihistamines can cause sedation, hence special care should be taken while driving.
5. If this first line of treatment does not help, you will have to see a dermatologist to have primary investigations to rule out other causes.
To learn more about the investigations and management options, see this link:
Skin Care Tips From Dermatologist: Urticaria.
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