Poison is a substance that through its chemical action usually kills, injures, or impairs an organism. Acute poisoning is exposure to a poison on one occasion or during a short period of time. Symptoms develop in close relation to the exposure. Poisonous materials can be found in a variety of household items as well as in laboratory reagents and chemicals.
Many poisons react differently to various treatments, so if you suspect a victim has been poisoned through ingestion, inhalation, or skin exposure: