You realize the reason you don't lay a sick person on their back is because they could choke on their own vomit, right? Yeah it goes out from their throats, but it doesn't always go back down.

Your best bet would probs to just offer the potions and let a medical professional apply them. But I don't [i]think[/i] Thomas would be hurt too badly since he had good intentions, just a bad way of applying it.