Itching can be caused by a variety of things, including allergies. Allergy itching medication is usually in the form of hypo-allergenic or antihistamine drugs. In addition, there are also other types of allergic itching drugs with different ways of working.
Allergies are the body's immune system response to certain substances called allergens. In people who do not have allergies, allergen exposure will not cause a reaction. But when allergic sufferers are exposed to allergens, the immune system will overreact and release histamine. Histamine is released which will cause various allergic symptoms, including itching.
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