Pharmocological Profiles Flashcards
What are the actions of Sedative-Hypnotics? (Barbiturates)
Causes a dose-dependent depression of the Central Nervous System fucntion. Induces sedation, sleep and unconsciousness with increasing dose.
What are the actions of long acting barbiturates?
- Anticonvulsant properties
- Depress the sensory cortex
- Decrease motor activity
- Alter Cerebellar Function
- Produce sedation and hypnosis
- Respiratory Depression
What are some uses of Barbiturates?
- Sedation
2. Management of Seizures
What are some contraindications of barbiturates?
- Hypersensitivity
- Marked hepatic impairment
- Dypsnea or Airway obstruction
What are some examples of barbiturates?
- Phenobarbital
- Temazepam
- Restoril
- Zolpidem or Ambien
What are the different classes of psychotherapeutics?
- Sedatives and Hypnotics
- Antianxiety Drugs
- Antidepressants
- Antipsychotics
- Central Nervous Stimulants
How are antianxiety drugs divided?
- Benzodiazepines
2. Non-Benzodiazepines
How do Benzodiazepines effect the body?
Cause generalized CNS depression
With long term use, may produce tolerance and potential for psychological or physical dependence
Which receptors do Benzo’s effect?
Bind to specific benzodiazepoine receptors in the GABA receptor complex
How do Non-Benzo’s effect the body?
Act on brain’s dopamine and serotonin receptors
What are antianxiety drugs used for?
Management of various forms of anxiety
What are the contraindications for for Antianxiety drugs?
- Not for use by patients with pre-existing CNS depression
- Acute Narrow Glaucoma
- Pregnancy class D (Not recommended for use during pregnancy)
- Do not take with alcohol
What are examples of Benzos?
Alprazolam
Diazepam
Lorazepam
What are examples of non-benzos?
Buspirone hydorchloride
hydroxyzine
Sertraline (SSRI)
What are the actions of TCA antidepressants?
Increase levels of norepinephrine and serotonin by inhibiting their reuptake, and block the actoin of acetylcholine
What are the actions of MAOI antidepressants?
Inhibits the activity of Monoamine oxidase resulting in increased endogenous neurohormones
What are the actions of SSRI antidepressants?
Increase serotonin by inhibiting neuronal uptake to CNS
What is a TCA?
Tricyclic Antidepressants
What are MAOI’s?
Monoamine Oxidase Inhibitors
What are SSRI’s?
Selective Serotonin Reuptake Inhibitors
What are SNRI’s?
Serotonin-Norepinephrine Reuptake Inhibitors
What are antidepressants used for?
- Anxiety
- Obsessive Compulsive Disorder
- Smoking Cessation
What are the contraindications of TCA Antidepressants?
- Coadministration with or within 14 dayts of MAOI’s
2. Acute Recovery Phase following myocardial infarction
What are the contraindications of MAOI Antidepressants?
Cerebral Vascular Accident (CVA Disease)
Hypertension
Congestive Heart Failure
Elderly
What are the contraindications of SSRI Antidepressants?
Fluoxetine is less effectice in patients who smoke
What herbal remedy shouldn’t be taken with Antidepressants?
St John’s Wort
What are examples of Antidepressants?
- MAOI: Nardil
- SRI: Trazodone
- SNRI: Venlafaxine and Duloxetine
- SSRI: Citalopram, Fluoxetine, Sertraline, Paroxetine
What are the actions of antipsychotics?
Block dopamine receptors in the brain
What are the uses of Antipsychotics?
Treatment of acute and chronic psychoses
What are the contraindications of Antipsychotics?
Not recommended in severly depressed patients
Hypotension
What are examples of Antipsychotics?
Haloperidol
Prochlorperazine
Quetiapine
Olanzapine
What action do Central Nervous Stiumlants (CNS) have on the body?
Produce CNS stimulation by increasing levels of neurotransmitters in the CNS
What are CNS drugs used for?
Treatment of Narcolepsy and as adjunctive treatment in the management of ADHD
What are the contraindications of CNS Stimulants?
Moderate to Severe Hypertension and Stroke
Glaucoma
Hypersensitivity to Amphetamines
(Risk of Physical Dependence)
What are some examples of CNS Drugs?
Amphetamines: Methylphenidate HCL or Dextroamphetamine
Anorexiants: Phentermine
What is the action of Anticonvulsants on the body?
Reduction of excitability of the neurons of the brain
What are the different types of Seizures?
Psychomotor Tonic-Clonic Myoclonic Absence Seizures Epilepsy
What is the use of Anticonvulsants?
Decrease the incidence and severity of seizures of various etiologies
What are the contraindications of Anticonvulsants?
Patients with CNS Depression
Pregancy D: Not Recommended for use in Pregnancy
Psychoses, acute narrow-angle glaucoma
What are examples of Anticonvulsants?
Benzos: Diazepam, Lorazepam, Midazolam
Clonazepam
Non-Benzos: Phenytoin, Ethosuximide, Valproic Acid
What action does Antiemetics have on the body?
Primarily by inhibiting the chemoreceptor trigger zone or by depressing the sensitivity of the vestibular apparatus of the inner ear
- Phenothiazines: Act on the chemoreceptor trigger zone to inhibit nausea and vomiting
- Dimenhydrinate, Scopolamine, and Meclizine: Act as antiemetic mainly by diminishing motion sickness
- Metoclopramide: Decreases nausea and vomiting by its effects on gastric empyting
- Odansetron: Blocks the effects of serotonin at 5-HT3 Receptor sites
What are the uses of Antiemetics/Antinauseants?
Antiemetic: Prophylaxis or treatment of nausea or vomiting
Antivertigo: Treat Vertigo
What are the contraindications of Antiemetics?
Not recommended in patients with CNS depression
Not for use in Pregnancy (X)
Do not use with alcohol
Will cause increased sedation
What are some Antiemetic drugs?
Phenothiazines Prochlorperazine Chlorpromazine Metoclopramide Ondansetron Promethazine
What are some antivertigo drugs?
Meclizine (Antivertigo)
Diphenhydramine
Benzodiazepines
What are the action of Anesthetics on the body?
Local: Desensitize skin or subcutaneous tissue
Keatmine: Causes neuroinhibition and anesthesia, where the patient is dissociated from the surrounding
What is the use of Anesthetics?
- Local Anesthetics: Used to produce a loss of sensation prior to minor painful procedures
- Induction of General or Regional Anesthesia
What are some contraindications of Anesthetics?
- Ketamine: Conditions in which increase in blood pressure would be hazardous
- When used for procedural sedation: Known or suspected schizophrenia
What are some examples of Anesthetics?
Lidocaine Bupivacaine Ketamine Propofol: IV induction drug of choice Etomidate: Selected to induce general anestheia in patients with hemodynamic instability
What are the classes of Analgesics?
Salicylate
Non-Salicylate
Nonsteroidal Anti-inflammatory Drugs (NSAIDS)
Urinary Analgesics
What is the action of Salicylate Analgesics?
Inhibition of prostaglandins, dilates peripheral blood vessels (cools body), prolong bleeding by inhibiting aggregation of platelets
What are Analgesics used for?
Relief of mild to moderate pain Reduction of body temperature Inflammatory conditions Decrease risk of myocardial infarction Prevention and treatment of blood clots
What are the contraindications of salicylate analgesics?
Not recommended for use in pregnancy (Cat D)
Not recommended for use in patients with bleeding disorders
What are some examples of Salicylate Analgesics?
Aspirin: Bayer, Ecotrin, Enteric Coated Aspirin
What is the action for Non-Salicylate Analgesics?
Analgesic and Anyipyretic
What is the use for non-salicylate analgesics?
Relieve mild to moderate pain
Reduce body temperature (antipyretic)
Arthritis
What are the contraindicationsa for Non-salicylate analgesics?
Hepatotoxicity: Acetaminophen has been associated with acute liver failure. Resulting in liver transplant and death
What are some examples of Non-salicylate analgesics?
Acetaminophen: Tylenol
Benzocaine-Menthol: Cepacol
What is the action of Nonsteroidal Anti-inflammatory drugs?
Inhibit prostaglandin synthesis which is responsible for prostaglandin synthesis
- Anti-Inflammatory
- Analgesic
- Antipyretic
How are Nonsteroidal Anti-inflammatory drugs used?
Arthritis
Mild to Moderate pain relief
Dysmenorrhea (Painful Menstruation)
Fever Reduction
What are some contraindications of Nonsteroidal Anti-inflammatory Drugs?
Celecoxib: Allergy to Sulfonamides
Ibuprogen: Peptic Ulcer, GI Bleed, Hypertension
What are some examples of Nonsteroidal Anti-Inflammatory Drugs?
NSAIDS:
- Ibuprofen: Motrin or Advil
- Indometachin: Indocin (First line treatment for Gout)
- Ketorolac: Toradol
- Naproxen: Aleve, Naprosyn
- Celecoxib: Celebrex
- Meloxicam: Mobic
What is the action of Urinary Anesthetic/Analgesics?
Pyridium is a topical bladder and urethral anesthetic and analgesic through an unknown mechanism
What is the use for Urinary Anesthetic/Analgesics?
Bladder analgesic used to treat pain associated with a urinary tract infection
What is the contraindication for Urinary Anesthetics/Analgesics?
Allergy to Pyridium or renal insufficiency
Patient Mgmt: Pregnancy B
What is the action of Narcotic Analgesics?
Bind to opioid receptor sites (Mu) acting as agonist altering perception of pain
What are Narcotic Analgesics used for?
Managed moderate to severe acute pain, opiate dependence
What are the contraindications for Narcotic Analgesics?
- Head Injury or Intracranial Pressure, Coronary Artery Disease
- Hypoxia
- Hepatic Impairment
- Hypersensitive to opiods or naloxone
What are some examples of Narcotic Analgesics?
Codeine Fentanyl Hydromorphone Methadone Morphine Sulfate Oxycodone Hydrocodone
What actions do Narcotic Antagonists have?
Naloxone: Competitive antagonists with stronger bond to opiod receptors than agonists. Prevents the body from responding to opiates and endorphins