Runny Nose and Sneezing

29 Jan

Antihistamines, such as cetirizine (Zyrtec) chlorpheniramine (Aller-Chlor), diphenhydramine (Benadryl Allergy), fexofenadine (Allegra), and loratadine (Alavert, Claritin) How effective are they?  Very, when symptoms stem from allergies, but a 2015 review of 18 trials concluded that the drugs have little benefit … Read More »