The meaning of POISON is a substance that through its chemical action usually kills, injures, or impairs an organism. How to use poison in a sentence.

The term poison is often used colloquially to describe any harmful substance, especially corrosive substances, carcinogens, mutagens, teratogens, and harmful pollutants.

Poisoning is when a toxic substance (poison) makes you sick or harms you. Poisons can come from plants, animals, household cleaners and chemicals, medications, carbon monoxide and more.

If you are or someone else is exposed to any poisonous product or substance, use the web POISON CONTROL® tool to get specific first aid and treatment recommendations online.

Nov 7, 2025 · A poison is a substance, natural or synthetic, that damages living tissues and has injurious effects on the body, whether it is ingested, inhaled, or absorbed or injected through the skin.

POISON meaning: 1. a substance that can make people or animals ill or kill them if they eat or drink it: 2. to…. Learn more.

poi′son•er, n. syn: poison, toxin, venom are terms for any substance that injures the health or destroys life when absorbed into the system. poison is the general word: a poison for insects.

Oct 15, 2025 · If you suspect poisoning, call the National Poison Control Hotline at 800-222-1222 immediately. Never mix household chemicals, like bleach and ammonia, as they create toxic gases.

If you or someone you know has swallowed or breathed in a poison, and you or they have serious signs or symptoms (nausea, vomiting, pain, trouble breathing, seizure, confusion, or abnormal skin color), …

How do most poisonings happen? More than 90% of all poison exposures happen in the home. Among children ages 5 and under, 57% of poison exposures are by nonmedicine products. These include …