My Son Had a sore thought yesterday, today he woke up unable to swallow and Inhaler was required. took him to ER, because 6am. they said he s got the flu. And gave use a script for Tamiflu. He has a sore thought, runny nose, and head ach. No nausea, diarrhea, chill s or temp. pharmacist said, The side effects are diarrhea, nausea, and stomach pain. Is this a good idea?? I just need a second oppion