You could call up and sing "Time to Change" (see:
http://www.bradyresidence.com/songs.html ) Snaps to boomer for the crossed Brady reference.
Okay, serious suggestion: hot tea with honey and lemon, don't smoke (I don't know if you do, but if you do, don't at least for the day), don't hang around people who smoke, and try not to talk unless you absolutely have to. I have allergies so for me it helps to take allergy meds and stay away from allergens (uh, that's pretty much everything, heh), so if you are allergic to ragweed or whatever try to stay inside and away from it and only go out quickly to grab lunch and then come right back, don't go running around some flowered area if it's an irritant.