A woman who is "allergic to everything" can only eat oatmeal and says fish, nuts or mustard could prove deadly.<br /><br />Caroline Cray, 24, first realised something was wrong when she ate an ice cream and went into anaphylactic shock - spending 12 hours in hospital - in September 2017.<br /><br />She had three more severe allergic reactions that month to bread and pizza.<br /><br />After eating rice and beans with her family, Caroline reacted again and spent 12 days in intensive care. <br /><br />After 10 months of tests, she was diagnosed with rare chronic illness mast cell activation syndrome (MCAS) - which causes repeated severe allergy symptoms - in May 2018.<br /><br />She now has a diet that consists of just oatmeal and EleCare - an amino-based acid infant milk - and says everyday things such as fish, peanuts, nuts, sesame and mustard could prove deadly.
