So it was too slow for digitoxin, and too quick for digoxin.    From Wordnik.com.  [Dreaming of the Bones] Reference

The leaves of the oriental foxglove plant contain digitoxin, a drug used to treat heart disease.    From Wordnik.com.  [PhysOrg.com - latest science and technology news stories] Reference

Both digoxin, which does not occur in nature and digitoxin can be synthesized, but digoxin's half-life allows once-daily dosing.    From Wordnik.com.  [Citizendium, the Citizens' Compendium - Recent changes [en]] Reference

The synthetic version of digitoxin has little digestive side effects, while the side effects go directly to the heart, thereby creating much more danger than the herb.    From Wordnik.com.  [Citizendium, the Citizens' Compendium - Recent changes [en]] Reference

If it wasn’t digitoxin, it must have been digoxin.    From Wordnik.com.  [Dreaming of the Bones] Reference

And it can’t have been foxglove—the digitoxin in it acts too quickly.    From Wordnik.com.  [Dreaming of the Bones] Reference

Nor can we even be certain that Lydia Brooke actually died from an overdose of her own medication, even though digoxin was present in her body, because—as I understand it, and I’m no chemist—digoxin is one of the metabolic by-products of digitoxin.    From Wordnik.com.  [Dreaming of the Bones] Reference