Question: what is the strongest over the counter allergy medicine?
Answer: The best over-the-counter drugs for most symptoms: The first line of defense for congestion, runny nose and sneezing is to take one of the newer, less sedating antihistamines: Cetirizine (Zyrtec), fexofenadine (Allegra) and loratadine (Claritin or Alavert).