Looking for the best OTC allergy syrup? Sambrosa Sweet Dreams is specially formulated to help with allergy relief. It combines a great tasting base of honey and 7 organic herbs with a small dose of the antihistamine doxylamine, which will help achieve nighttime allergy relief so you can get the quality rest you need. The 300 ml bottle can last you up to 90 days, making it our most economical choice for consumers.