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  • From: Kim73AH
  •   To: All
  • 1 of 2
  • 3/3/07
Why is there now two different formulas for these medicines? OTC and the sames ones that you now have to ask the Pharmacist for? What is the difference? Dextromethorphan HBr & Diphenhydramine, both of these are cough suppressants what is the difference?