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The most commonly associated reaction with latex-containing products is a Type I reaction. This type of reaction is immediate and involves an IgE-mediated hypersensitivity response. When a person who is sensitized to latex is re-exposed to it, their immune system responds rapidly by producing histamine and other inflammatory mediators. This can lead to symptoms such as urticaria, anaphylaxis, respiratory distress, and other systemic allergic reactions.

Type IV reactions, on the other hand, are delayed hypersensitivity reactions primarily mediated by T cells. While some individuals might experience a Type IV reaction to latex, particularly from prolonged skin contact, it is not the most common response.

Desensitizing allergic reactions typically involve gradual exposure to an allergen to decrease sensitivity, which is not the usual approach for latex allergies. Lastly, irritating nonallergic reactions could occur due to various other materials or irritants but don't represent the specific allergic nature prompted by latex.

Understanding these mechanisms is essential for proper patient care and for preventing complications in individuals known to have latex allergies.