The Doctor was looking at her "Yeah, I didn't want it to make me feel to horrible to focus." He knew a bad headache could make him feel quite sick if he tried to work through it. He looked at Rose "Ah I was hoping I had something to help keep our heads clear a bit."
He sighed a bit.
Jack was looking at her "I am sure the Doctor is fine, a bad headache can make him feel horrible, He was probably making sure it was gone."