Which anti-epileptic drug is given by the nasal route?

NORCET 2 - 2021 (shift-1)

Pharmacology

Easy

Appeared in: NORCET 2 - 2021 (shift-1)

Explanation

Midazolam is a benzodiazepine, a class of drugs used to treat acute seizures and status epilepticus.
It is formulated as a nasal spray (e.g., Nayzilam) for intranasal administration, allowing for rapid absorption through the nasal mucosa.
This route is non-invasive and particularly valuable in pre-hospital or community settings where establishing intravenous (IV) access can be difficult or delayed.
Intranasal midazolam is a first-line agent for out-of-hospital seizure treatment, alongside intramuscular midazolam and rectal diazepam.

Option B: Sodium valproate is an effective anti-epileptic medication, but it is not formulated for or administered via the nasal route.
Option C: Phenytoin is a widely used anti-epileptic drug that is not administered through the nasal route.
Option D: Salbutamol is not an anti-epileptic drug and has no role in seizure management.

.

Clinical Relevance

Nursing practice connection: Knowing Pharmacology: Routes of Administration for Anti-epileptic Drugs helps nurses interpret findings accurately and avoid errors in routine assessment, medication administration, and patient teaching.
The availability of intranasal midazolam empowers first responders, school nurses, and caregivers to administer a life-saving medication quickly and safely, potentially terminating a seizure before it progresses to status epilepticus.
Nurses must educate families of patients with seizure disorders on the proper use of rescue medications, including when to administer them and when to call for emergency medical services (e.g., if a seizure lasts longer than 5 minutes).
What if? If a patient with a known seizure disorder has an active seizure but already has an IV line in place in a hospital setting, the protocol would likely favor administering an IV benzodiazepine like lorazepam or diazepam, as the onset of action is most rapid. Intranasal midazolam is the preferred alternative when IV access is not immediately available.

How to Approach the Question

First, identify the core concepts of the question: 'anti-epileptic drug' and 'nasal route'.
Scan the options to see if any are obviously incorrect. Salbutamol is a common respiratory medication, so you can likely eliminate it immediately as it's not an anti-epileptic.
Next, consider the remaining three drugs, which are all known anti-epileptics: Midazolam, Sodium valproate, and Phenytoin.
Recall the common routes of administration for these drugs. Think about their use in emergency versus long-term settings. Rescue medications often require rapid, easy-to-administer routes.
Midazolam is a benzodiazepine often used for rescue, making it a strong candidate for alternative routes like nasal or buccal. Valproate and Phenytoin are more commonly associated with oral (long-term) and IV (hospital) use.
Based on this reasoning, select Midazolam as the drug most likely to have a nasal formulation for emergency use.

Concept Tested & Keywords

Q71EOx8qgSNtj49ozUh1FE