Combination Medications like having both effects of an antihistamine and decongestant for relief of the symptoms that you experience. Other combinations involve asthma meds and some allergy meds as well as eye drops that are also antihistamines plus a mast of stabilizer drug. You should watch out for the following: Benadryl Sinus and Allergy, Tylenol Sinus and Allergy. There are also prescription medicines, such as Vasocon, Napchon, Allegra-D, Zytec-D and more that is not recommended by a Naturopathic doctor. Visit our link to see a more natural way of healing…http://www.naturaltherapies.com/allergies-2/