what is the best medicine for severe allergies?
['Allegra Adult 24-Hour Allergy Relief at Amazon. ... ', "Children's Zyrtec Allergy Relief Syrup at Walmart. ... ", 'Claritin 24-Hour Allergy Reditabs at Amazon. ... ', 'Xyzal Allergy Relief Tablets at Walmart. ... ', 'Zyrtec Prescription-Strength Allergy at Amazon. ... ', 'Benadryl Ultratabs Antihistamine at Amazon.']