Which component is associated with ester-type local anesthetics and can lead to allergic reactions?

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Multiple Choice

Which component is associated with ester-type local anesthetics and can lead to allergic reactions?

Ester-type local anesthetics are broken down by esterases into para-aminobenzoic acid, or PABA. In some individuals, PABA can act as an allergen and trigger hypersensitivity reactions. That connection between the ester-derived metabolite and allergic responses is why PABA is the component associated with ester-type anesthetics’ allergies. Amide-type anesthetics, like lidocaine, do not produce PABA, so they aren’t linked to this particular allergenic pathway.

Which component is associated with ester-type local anesthetics and can lead to allergic reactions?

Prepare for the ABFAS Boards with our comprehensive quiz on Rearfoot and Forefoot topics. Dive into multiple choice questions, get detailed explanations, and boost your confidence for success!

Which component is associated with ester-type local anesthetics and can lead to allergic reactions?

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