No, his injuries may have been sustained in battle of a sort, but they definitely are no war wounds. He would know, having sustained such injuries in his time as well.

He listens intently to her words, though he has to raise his eyebrows slightly in confusion of her lamentation of this -- morphine?

"There's no need to be worried about that, my dear," he says, flashing her a slightly confused smile. "Considering I haven't the faintest idea what it is that you're talking about, I won't know what it is that I'm missing, now will I?"