"Intranasal" refers to a method of delivering medication or substances through the nasal passages. This route allows for quick absorption into the bloodstream, making it effective for various treatments. Common intranasal medications include nasal sprays for allergies and opioid medications for pain relief. The intranasal route is often preferred for its ease of use and rapid onset of action. It bypasses the digestive system, which can break down some medications before they enter the bloodstream. This method is also beneficial for patients who may have difficulty swallowing pills or require immediate relief from symptoms.