
Health Dictionary
Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.
Intranasal route
Introduction
The intranasal route is the route of administration of a drug through the nose, including nose drops or other medications. Some drugs have a higher rate of absorption, and are thus more effective in smaller doses, through this route.
The intranasal route may allow certain drugs and other molecules to bypass the blood-brain barrier via diffusion or axonal transport along olfactory and trigeminal nerves.[1]
References
- ↑ William H. Frey. “Bypassing the Blood-Brain Barrier to Deliver Therapeutic Agents to the Brain and Spinal Cord.” Drug Delivery Technology.
