Poison Poisons are toxicological substances that adversely affect living tissue , with effects ranging from slight discomfort to death . They can be natural or synthetic in origin . Poisons secreted by animal s were called venom . Nerve gas was a synthetic poison . The venom of the mugato and the alkaloids of the borgia plant were examples of natural poisons . Both were capable of killing an adult humanoid . ( ) Artificial poisons included Felodesine chip s and Veridium Six . ( ) On Dimorus , the indigenous rodent creatures used deadly poisoned darts as weapons . ( ) Sevrin died when he ate a poisonous fruit on Eden . ( ) In 2270 , an Orion captain attempted to commit suicide by taking a poison pill , but James Kirk stopped him . ( ) At the San Francisco bar , Dr . Leonard McCoy ordered Altair water . The waitress , familiar with McCoy ' s usual request , quipped that his order " " wasn ' t ( his ) usual poison . " " McCoy , suffering from a Vulcan mind meld , retorted uncharacteristically , " " to expect one to order poison in a bar is not logical . " " ( ) On Ligon II , the dueling weapons were coated with an alkaloid - based poison . As a result , a person could be killed instantaneously by a grazing wound . ( ) The substance dispensed by unnamed aliens to their captives as food in 2366 was poison to the Chalnoth , such as Esoqq . ( ) K ' mpec , the Chancellor of the Klingon Empire , was killed with the poison Veridium Six in 2367 . K ' mpec stated that the surreptitious use of poison , as opposed to an assassination where the attacker showed his face , was considered a dishonorable act among Klingon s . ( ) Commander Benjamin Sisko was skeptical about the orange bubbling liquid he was offered while in the third shap of the Wadi game Chula and thought that it could be a drug or poison , but ultimately it was the antidote for the gas . ( ) While Rom was employed by Martus Mazur at Club Martus in 2370 , he suspected that Quark might have poisoned the club ' s food with an intestinal bug , and was scanning it to make sure it wasn ' t . ( ) The kaylo , a fruit found on a planet in the Delta Quadrant , was extremely poisonous and could lead to death . ( ) The Kazon - Nistrim used a poisoned ring with a needle to kill people . ( ) Poisons were the favored method of assassination of the Flaxian Retaya . ( ) Morn suffered from food poisoning in 2371 . He believed it was due to a free glass of kanar he was given in Quark ' s . He later visited the infirmary to be treated . ( ) The Vorta were genetically engineered to be immune to most types of poison . In 2373 , Weyoun drank a glass of kanar containing enough voraxna poison to kill a dozen Cardassian s . Afterward , he remarked that their physiology " " comes in handy when you ' re a diplomat " " . ( ) In 2374 , Damar suspected Quark might have poisoned his beverage in retaliation for the Dominion arrest ing his brother Rom for terrorism . Quark attempted to drink Damar ' s beverage to prove him wrong , which convinced him that it was safe . ( ) Luther Sloan once claimed that Vice Admiral Fujisaki , the Deputy Chief of Starfleet Intelligence , died of food poisoning , something the Section 31 member blamed the Romulan s for . ( ) Following an incident in which Seven of Nine suggested individually to Commander Chakotay and Captain Kathryn Janeway that each was involved in a conspiracy against the other , the two met in Janeway ' s quarters and shared coffee . Chakotay jokingly asked " " You didn ' t poison the coffee , did you ? " " and Janeway replied " " Not any more than I usually do " " . ( ) In 2377 , Neelix poisoned Gar with Talaxian wormroot to get him to confess that he had kidnapped The Doctor and sold him to Chellick for use on Hospital Ship 4 - 2 . ( ) When the was shattered into 37 separate time frames , Commander Chakotay tried to convince Captain Janeway of this by offering to inject her with a hypospray containing a serum that would make her immune to the effects of changing time frames . She declined the offer , stating that for all she knew , it could be poison . He then grabbed her and held the hypospray to her neck , stating that it was poison and he ' d use if the security guard that was there didn ' t drop his weapon . ( )