What is the fastest route of administration to the brain?
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3 min read
Intravenous (IV) drug administration is widely considered the fastest route for delivering a substance to the brain, with some effects occurring within 10 to 30 seconds. While IV offers immediate bioavailability by bypassing the digestive system, it also carries significant risks and is not the only option for rapid central nervous system (CNS) access. Understanding the comparative speed and safety of different administration methods is crucial for both emergency medicine and pharmacological research.