Non sedating antihistamines for hives
When our body comes into contact with an allergen, it releases a protein called histamine as a part of its defense mechanism.
A significant amount of histamine leads to severe itching, swelling, and redness.
The most common causes are medicines, foods, latex, and infections. Direct physical stimulation of the skin causes physical urticaria or hives.Exposure to sunlight, heat, cold air or water, pressure or vibration, sweating, and exercise can trigger a reaction.Dermatographism is a type of physical urticaria which happens when the skin goes through stroking. Hereditary angioedema is rare and potentially life-threatening genetic condition.Sun exposure, exposure to extreme change in temperature can cause physical hives (1).Hives in a broader way can be classified into following categories.