"You can't hide the bottle from me now that I've seen it."  Ikaria smiled down at Tyr.  "If it's a medical need then you should inform me of it.  If it's some detrimental chemical then you shouldn't be taking it on the school grounds."  She then sighed a little.  "If you don't know what it is then I can analyse it to find out, then I can see if you should be taking it.  In any case, it's getting late, so you should be resting up for the night."