There isn't, tangentially because of Paizocon (I'm out sick with con crud, and before that, Stephen and Jason were both out sick, and may still be, so no discussion possible).
Take a few hints from an old grognard here, my friend. Bring along some Emergen C or better yet "Wellness Formula". Take it every day along with B12 and potassium. Hydrate like crazy, your urine should be clear and copious. Spread out the caffeine. Ice tea, not espresso.
Bring along more healthy snaks- we all know you're not gonna eat carrot sticks, but grapes, peanuts, bananas, beef jerky, dark chocolate. Get some fiber too.
Get some sleep, in a dark cool room. Take melatonin and some ocean noises or rain or streams or white noise. No more than one drink before bed.
Get some Ricola drops and suck them during games to keep the throat moist.
ConCrud is just exhaustion and not treating your body right. Oh and take the day off after you get back, get 12 hours sleep. Tell Lisa I said so.
Mind you- this is all taking medical advice from a dude named DrDeth, so....