Displaying 2 results of Brompheniramine Impurities Brompheniramine is an antihistamine medication used to relieve symptoms of allergies such as itching, sneezing, and runny nose. However, during the manufacturing process, impurities can be introduced into the drug substance which can affect its efficacy and safety. These impurities need to be identified and monitored to ensure that the drug product is of high quality and meets regulatory requirements. Some of the common impurities found in Brompheniramine include related substances, residual solvents, and degradation products.