off and the treatments that bring them under control - you'll find all the answers in this book. Find out what diagnostic tests help rule out other illnesses and pinpoint your allergy; what the differences are between food sensitivity or intolerance and true food allergy; when your symptoms may spell trouble - including potentially fatal anaphylactic shock, the most serious form of allergic reaction - and what immediate measures you need to take; and what the leading allergy medications are and when to use a decongestant versus an antihistamine versus a combination drug.

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