Sylvie is a 20-year-old university exchange student from Europe. She is concerned she has been stung by a box jellyfish.

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<p>Sylvie is a 20-year-old university exchange student from Europe. She is concerned she has been stung by a box jellyfish.</p><p>She presents 12 hours after being stung swimming off a beach on the NSW south coast.</p><p>She reports initial intense burning pain affecting both forearms and lower legs.</p><p>She saw a long tentacle adherent to her right elbow, which she washed off in a nearby public shower.</p><p>The pain lasted about two hours. She has since developed pruritic, hot, linear wheals (pictured). She is systemically well.&nbsp;</p>

Dr Kate Kelso is a GP and medical editor at Australian Doctor.