Can artesunate allergy symptoms be immediate or delayed?

Can artesunate allergy symptoms appear right away or later?

Allergic reactions to artesunate range from immediate to delayed. Immediate reactions usually occur within minutes to hours after exposure. Delayed reactions can show up days or weeks later.

How common are immediate vs. delayed reactions?

Immediate reactions meet IgE-mediated hypersensitivities. They include hives, angioedema, and anaphylaxis. Delayed reactions meet non-IgE reactions such as maculopapular rash, fixed drug eruption, and DRESS syndrome. Clinical reports show both types occur with artesunate use.

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