Displaying 8 results of Clonidine Impurities Clonidine Impurities are unwanted substances that may be present in clonidine drugs. Impurities can affect the quality, safety, and efficacy of the medication, and therefore must be carefully controlled and monitored. The presence of impurities can also impact the shelf-life and stability of the drug. It is important to consider the potential risks associated with impurities when developing and manufacturing clonidine drugs.