 [ Symptoms ] took 5 days tamiflu but still feel sick have swollen glands & exhaustion do i still have the flu contagious  i had food poisoning on nov 28 then got this stomach flu on dec 12th i took the 5 days of tamiflu plus metoclopramide & bella phenobarb but i still feel achy tired the day after my last dose of tamiflu i woke up with sore swollen glands still taking the bella phenobarb for abdominal discomfort i am supposed to return to nyc where i got the flu to work with the public in grand central station i am concerned about exposing myself to such a large amount of public while i still feel sick [ Disease ] i have to tell you that the stomach flu is not influenza influenza is a respiratory disease not a gastrointestinal disease so tamiflu will not help as you have experienced tamiflu only works for influenza not other viral infections what you most likely had was viral gastroenteritis   a viral infection that is unrelated to true influenza viral gastroenteritis is a self limiting disease lasting about a week i am assuming that you did not have a nasal swab rapid flu test to diagnose your illness unless you actually had a flu vaccine to prevent influenza you would still be considered at risk for getting the true influenza it is not too late to get a vaccine but it will not help you for about two weeks keep that in mind when you are exposed to large groups of people