Eh, eating it probably isn't as bad as inhaling it. If it gets lodged in your bronchial tree there is no way to get it out.

It won't work on ALL bugs, but a vast majority of them. If they are arthropods (species with an exoskeleton), it should kill them. This means it also works on non-insects like spiders and scorpions (quite well I might add). It works by "scratching" their waxy exoskeleton and dehydrating them, so it will take up to a…