Ad blocker interference detected!
Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers
Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.
Ryetalyn was the only known antidote for Rigelian fever, and as such an antitoxin could be made from it. However this antitoxin could be rendered inert and useless by irillium. (TOS: "Requiem for Methuselah")
Later that year, McCoy created an antitoxin was from the sur-snake's venom to reverse the surgo-op, a mutation Spock and James T. Kirk had undergone that had transformed them into water-breathers. (TAS: "The Ambergris Element")