Poisoning happens when you take into your body, a substance that damages your cells and organs, and injures your health.
Poisons are usually swallowed, but they can also be absorbed through the skin, injected, inhaled or splashed into the eyes.
Many substances are only poisonous if an abnormally large amount is taken. For example, paracetamol is harmless if you take one or two tablets for a headache, but is poisonous if you take an overdose.
A poison can enter the body in a number of ways:
General treatment for poisons