John hesitantly eyes Ianto's hand on his knee, then slides his focus back to his arm again.

"Give it a little longer," he says, "quick for painkillers can still be ten minutes."

But Ianto can still carry on cleaning, if he wants. John offers the cloth to him after a moment, frowning slightly.

"Here," he says, "once it's clean you can put some stuff on it."

You know, generally to encourage healing and lack of infection. Stuff.