"unfortunately the chances are slim, it's not a spell that can be broken by casting another spell. It's basically a natural substance that was ingested. If I want to detoxify it then I would have to know exactly what it was first. I could try to create a counter effect of the drug in their system but such method first requires that they are under the effect before the spell can work" As much as she loved to be of help, the most of what she could do for them was limited. It wasn't like there was a she could knew what the composition of the foods before them was.
Every hope that had risen up in Reid hearts faded. Being under the effect meant that if the drug was to kill them then they had to be at the brink of death before the spell could work. It was the same whether they liked it or not. They could not escape this trap they had fallen into.