Neomycin and bacitracin are in the top ten most common ... Allergic contact dermatitis (ACD) is a type IV delayed sensitivity reaction. The physiology of this reaction was discussed in a previous ...

Bacitracin can cause localized eczema-like reactions. However, it can also cause type I, IgE-mediated hypersensitivity reactions, including contact urticaria and anaphylaxis (Gehrig & Warshaw ...

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When metals react with oxygen, metal oxides are formed. The speed of the reaction depends on the reactivity of the metal. Watch this video for a practical demonstration of reacting metals with oyxgen.