[3] When a living organism is introduced to a poison, the symptoms that follow successful contact develop in close relation to the degree of exposure.

[4] Acute toxicity/poisoning consists of a living organism being harmfully exposed to poison once or more times during a brief period, with symptoms manifesting within 14 days since administration.

[10] They may paralyze a person in a matter of seconds or cease organ function, quickly resulting in death.They're considered to be biologically derived neurotoxins, which are a genre of toxic agents that act specifically against the nervous system.

[12] Intravenous injection of an unnaturally high concentration of potassium chloride, such as in the execution of prisoners in parts of the United States, quickly stops the heart by eliminating the cell potential necessary for muscle contraction.

[17][18] The hazard symbol which labels a substance as capable of poisoning depicts the imagery of a human skull in front of two bones crossing one another.

[19] GHS precautionary statements, which advise users to exercise caution or be aware of the substance's potentially dangerous features, are added to a legal toxins' labelling.

[23][24] It is advised to provide medical personnel with information regarding the poisoning, the patient's age, weight, and any other drugs they may be taking in addition to the symptoms of the illness.