Overall the benefits of neuraminidase inhibitors in those who are otherwise healthy do not appear to be greater than the risks.[7] There does not appear to be any benefit in those with other health problems.[7] In those believed to have the flu, they decreased the length of time symptoms were present by slightly less than a day but did not appear to affect the risk of complications such as needing hospitalization or pneumonia.[8] Previous to 2013 the benefits were unclear as the manufacturer (Roche) refused to release trial data for independent analysis.[122]
M2 inhibitors