However, in some instances, poisoning can be deliberate, when a person attempts to commit suicide or to harm someone else. In all of these instances, appropriate first aid will minimise the harm to the individual who is poisoned. Some interfere with the blood s ability to carry oxygen, while others burn and irritate the digestive tract or respiratory system. Therefore the range of symptoms is broad and varied. You should consider poisoning as a cause if someone suddenly becomes ill for no apparent reason, or acts strangely, particularly if they are found near a toxic substance.
Poisoning can be a life- threatening situation.
The person s age and estimated weight. The estimated time that the poison was swallowed. Whether or not the person has vomited. If the person has been sick, collect a sample of the vomit to take to hospital. If the person is unconscious and you are able, place him or her in the recovery position.