Rose reached out for Brigid's hair and just stroke them briefly before nodding. "Okay, I'll be right back." she said, leaving Brigid behind for a tiny moment. Well tiny.. long enough to get to the infirmary and ask the nurse for a migraine potion. She was told that for the most potent version of it, she would have to fill a form and actually bring the student to the infirmary, but seeing as Brigid didn't seem to want anyone involved, including Rose, it really wasn't going to be an option.
She brought two vials of a slightly weaker elixir, knowing it would at least take the edge off, to the loo with her. "Brigid.." she said in a quiet whisper. "That's all I could manage, otherwise I would have had to fill a form and all." She unscrewed the cork and handed it over to the other girl.