Central Nervous System Drugs Flashcards
It is used for psychiatric disorders, suppression of seizures, relief of pain, and production of anesthesia.
Central Nervous System Drugs (CNS)
In CNS, how many compounds serve as neurotransmitters?
21 Compounds Serves as Neurotransmitters
It limits the passage of lipid-soluble agents and impedes the entry of drugs into the brain.
Blood Brain Barrier
What would happen if we used CNS drugs for a long period of time?
- It decreases side effects
- Increased therapeutic effects
- Tolerance and Physical Dependence
What are the dysregulation of the transmitters for the ADHD (attention deficit hyperactivity disorder)?
Serotonin, Norepinephrine, Dopamine
What could be the indication for a patient having Narcolepsy?
Unable to move and may collapse such as falling asleep in normal activities
It stimulates the release of norephineprine and dopamine from the brain and SNS (Sympathetic Nervous System).
Amphetamines
It is being given for a child regulates neurotransmitters and regulate the process inside the brain giving them the longer attention span to do the activities while sitting down (calmly).
Methylprenidate
It is being given to treat respiratory depression caused by drug overdose and COPD (chronic obstructive pulmonary disease).
Doxapram
Differentiate the Partial Seizures to Generalized Seizures
Partial Seizures = limited spread from the focus to adjacent cortical areas (one hemisphere of the brain)
Generalized Seizures = widely spread throughout both hemispheres of the brain
What are the mechanism of anti-epileptic drugs?
- Suppression of Sodium
- Suppression of Calcium Influx
- Antagonism of Glutamate
- Potentiation of GABA
What is the most commonly prescribed anticonvulsant drug?
Phenytoin
This drug is included to Benzodiazepine in which this drug is being restricted to acute treatment of status epilepticus and not being recommended for long-term as it has a high potential for addiction.
Diazepam
It is one of the direct acting agents in which this drug is most effective for spasticity of cerebral origin such as cerebral palsy, stroke, spinal cord injury.
Dantrolene Sodium
Long term spasms caused by anxiety, pain, and trauma are treated in which muscle relaxants?
Centrally Acting Agents