A dinner outing turned into a rush to the emergency room for Madam Nor Hafizah Kamsin when one of her twin sons started wheezing after eating lontong.
Doctors suspected that the broth of the Malay dish could have been cooked with prawns, to which the boys are allergic.
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A version of this article appeared in the print edition of The Straits Times on May 17, 2018, with the headline Resisting the prawn itch: NUH team trying to develop treatment for people with shellfish allergy. Subscribe