Ricola Natural Herb Cough Suppressant Throat Drops. Uses: Temporarily relieves: Cough due to a cold or inhaled irritants. Occasional minor irritation and pain due to sore throat or sore mouth. For Question or Comments, Contact: Ricola USA , Inc. (Distributor), 6 Campus Dr., 2nd Floor South, Parsippany, NJ 07054. www.ricola.com.