As a writter you should get enough details wrong that someone trying to follow your recipie fails. Ideally they are also caught.
this post was submitted on 22 Mar 2025
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Alcohol
Dimethylmercury.
Two drops will kill you in a few months and nothing can be done. It penetrates clothing, regular latex gloves, and skin very easily and unnoticed.
Pretty terrifying stuff. Not sure youโd be able to figure out availability or production in your plot, but as far as poisons go youโd be set for time between dose and death.
Ricin was used in Breaking Bad. Fairly easy to produce and administer.
Good luck with your writing! I too have had to search for some very silly things for things I've written! As for slow acting poisons, only ones I could think of that would be really available modernly would be like, antifreeze and such, but I don't think that's so slow acting. And usually it's kids and dogs that get into that.
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There was a theory a while back that Napoleon died from arsenic poisoning due to the damp Mediterranean climate causing the decay of a green wallpaper using an arsenic based dye. It didn't end up being entirely true but he may have been slowly poised by environmental arsenic throughout his life. Here is an article about it.
Arsenic is a naturally occurring element in the Earth's crust as metallic crystals or combined with other elements. Being a heavy metal, arsenic bioaccumulates. That is, it builds up in the body over time, so slow poisoning is possible.
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Alcohol is a very effective slow acting poison.
Lead, mercury, and other (mostly heavy) metals. Look up mad hatters. Also phosphorus and match girls
don't be Don, don't be Don, don't be Don
Oh thank God.
Hey siri, remind me!
I don't like where these comments are going.
how slow acting? As in months, or as in time to get the fuck outta dodge?
Ricin will kill you in a couple of days, was first extracted in 1888, and the plant grows in the mediterranean.
Like takes at least a day or more for the poisoned character to notice.
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For that i think having a read about acqua tofana would be a pretty good source of inspiration, since it was designed to have effects like an illness. it originates in italy so most of it's ingredients are by default from a mediterran climate.
Or if you want something natural without too mutch human processing, belladonna is a surefire, but not slow acting.
There is a way, and it might already be somewhat of a trope but you can use fruitpits to extract amygdalin which can be then refined with a homelab to a cyanide like substance. Although not pure or concentrated enough, but it could be added to food by a wife on a very long period of time and make the Victim very I'll with fatal results.
Amygdalin is extracted from almonds or apricot kernels by boiling in ethanol; on evaporation of the solution and the addition of diethyl ether, amygdalin is precipitated as white minute crystals.
Mistletoe berries i think. Otherwise mercury depending on dosage.
Ok I looked into mercury and it might be what I'm looking for. Any idea how long it'd take before the effects become noticeable?
A lot of detailed information on the Wikipedia page. There are a ton of different ways people can come into contact with mercury, and a ton of different formulations of mercury with varying effects. For what symptoms adults may exhibit from the most common form of organic exposure, look no further than RFK Jr., who himself has stated he has mercury poisoning from eating too much tuna:
Due to the body's inability to degrade catecholamines (e.g. adrenaline), a person with mercury poisoning may experience profuse sweating, tachycardia (persistently faster-than-normal heart beat), increased salivation, and hypertension (high blood pressure).
It also causes memory impairment and reduced IQ. RFK Jr. seems to really fit the bill here.
But for something truly terrifying, try dimethylmercury. People can get one drop on their skin, then several months later start developing symptoms, and die within a year. It even soaks right through rubber and latex gloves: https://en.m.wikipedia.org/wiki/Dimethylmercury
For full symptom progression, check out Minimata Disease.
It used to slowly drive haters insane, hence mad haters. There was a theory Napoleon was exposed to excess levels of Arsenic over time although that might have well been background exposure. Nevertheless over time it's not good for you. Neither is lead.
Hatters? Haberdashers?
Mercury poisoning of hat-makers โ In 18th and 19th century England, mercury was used in the production of felt, which was commonly used in the hat-making trade at the time. Long-term use of mercury products often resulted in mercury poisoning-induced erethism among hat-makers. In the late 19th-century United States, a notable example occurred in Danbury, Connecticut, where hat making was a major industry. Instances of erethism were so widespread among hat-makers, the condition became known locally as the "Danbury Shakes." It was characterized by slurred speech, tremors, stumbling, and in extreme cases hallucinations.
I got mad haters yo
Gotta lotta enemies