Displaying 2 results of Pyridostigmine Impurities Pyridostigmine is a medication used to treat myasthenia gravis, a condition that causes muscle weakness. Like any medication, pyridostigmine may contain impurities that can affect its safety and effectiveness. These impurities may be present due to the manufacturing process or storage conditions. It is important to identify and monitor these impurities to ensure the quality of pyridostigmine and minimize any potential health risks to patients.