Herald Sun / Lucie Van Den Berg: Jett’s little face was so swollen it looked as if someone had blown his head up like a balloon. The puffiness forced his eyes shut and as his throat constricted, the then two-year-old started vomiting.

But it was the sound coming from her baby boy’s chest that was the most terrifying for his mother Kaylee Muse.

It’s a similar story for five-year-old Nicanor Martell.

He can only eat food made by his mother Dedrieia Tull because he is allergic to wheat, rye, eggs, cow’s milk, bananas, salmon, almonds, avocados and sesame.

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