Displaying 2 results of Dyclonine Impurities Dyclonine is a local anesthetic commonly used in dentistry and throat lozenges. However, during the manufacturing process, impurities may be created or introduced. These impurities can affect the purity and potency of the final product, which can have negative health effects on patients. Therefore, it is crucial to identify and monitor dyclonine impurities to ensure the safety and effectiveness of the medication.