Sick Day Rules: July 2015 When you are unwell with any of the following:; Vomiting or diarrhoea lasting over 12 hours (unless only minor) Fevers Sweats Shakes Then STOP taking the medicines listed below. Restart when you are well (after 24-48 hours of eating & drinking normally). ACE INHIBITORS: medicines ending in “pril” eg lisinopril, perindopril, […]