Activated charcoal, also known as activated carbon or vegetable charcoal, is made by heating charcoal in the presence of a gas. This mechanism creates internal spaces or pores that can trap drugs and chemicals. According to the Natural Medicines Comprehensive Database activated charcoal taken by mouth is possibly effective for the poisoning of various drugs. Based on the same trapping mechanism activated charcoal may interfere with the absorption of various medications such as contraceptive drugs (birth control pill), and oral drugs, decreasing their absorption thus diminishing their effectiveness.
The correct answer is A.
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