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"Allergy medications can have a complex set of ingredients that you should be aware about. Find out what makes an antihistamine sedating or nonsedating and if one is better than the other."^^<http://www.w3.org/2001/XMLSchema#string>
<http://health.howstuffworks.com/diseases-conditions/allergies/allergy-treatments/whats-the-difference-between-sedating-and-nonsedating-antihistamines.htm>