Displaying 8 results of Hyoscyamine Impurities Hyoscyamine is a medication used to treat various disorders, including irritable bowel syndrome and bladder spasms. However, during its production, impurities may be generated, which can cause adverse effects or reduce the potency of the medication. These impurities can consist of chemical byproducts, residual solvents, or other contaminants. Ensuring the quality and purity of hyoscyamine is critical to its effectiveness and safety.