[It's understandable on both counts, the nausea and the fatigue. She only asks because asking him to take medicine would be pointless if it didn't stay in his stomach.]

One moment. [She leaves the bag where it is, containers set out in what seems like an indeterminate order, and walks briskly from the room. The sound of water can be heard briefly, and she returns with their two cups half full of warm water. Into one she stirs a powdered substance, then hands it to him.]

This one first, to warm you and settle your stomach. It won't taste terribly. A little earthy, a little spicy; but take it slowly if you need to. The next one will be bitter, and you'll need to keep it down.