Vicks Early Defence helps Trap, Block, and Remove Cold Viruses when taken within 36 hours of First Signs of a Cold.  The product flushes the nose and stimulates natural secretions to help remove the inactivated virus. Product information is provided by the product vendor. This content is a summary for informational purposes only and does not have all possible information about this product. It should not be used as a substitute for advice from health care professionals, as this information alone does not assure that this product is safe, effective, or appropriate for you. For more detailed information on this product, including reported and possible side effects and contraindications, refer to the manufacturer's monograph, or speak with a health care provider.