What is the primary use of activated charcoal in poisoning cases?

Activated charcoal is primarily used in poisoning cases because it has the ability to adsorb a wide variety of toxic substances present in the gastrointestinal tract. When ingested, activated charcoal binds to these substances, significantly reducing their absorption into the bloodstream. This is particularly crucial in poisoning situations, as it can help prevent toxins from exerting their harmful effects on the body.

Its effectiveness stems from the porous structure of activated charcoal, which provides a large surface area for chemicals to adhere to. This process of adsorption is especially useful when it comes to certain types of poisons and drugs that have not already been absorbed into the system. Unlike the other methods listed, which may involve physical actions or chemical neutralization, the role of activated charcoal is fundamentally about preventing further absorption of harmful substances already present in the digestive system, making it a key tool in the management of poisonings.