from fda: The FDA has received more than 130 reports of loss of sense of smell associated with the use of three Zicam products. In these reports, many people who experienced a loss of smell said the condition occurred with the first dose; others reported a loss of the sense of smell after multiple uses of the products.from reuters: Matrixx must seek FDA-approval if it wants to continue selling Zicam zinc products administered via the nose. William Hemelt [acting president, chief financial and chief operating officer] said the company was not likely to do so, saying the process would take years and be "highly expensive."
