Exam 2 Flashcards
Aspirin (ASA)
1st Gen NSAID
Mech: IRREVERSIBLE inhibition of COX!
Effects: Suppress inflamm - COX 2
Analgesia - COX 2
Antipyretic - COX 2
Reduce plt agg - COX 1
SE: Kidney impairment, Gastric ulcers, Bleeding, stimulates breathing -> potential resp alkalosis
General: Reye’s syndrome (ASA not given to children!)
Acute Poisoning:
1. Resp alkalosis -> resp acidosis
2. Hyperthermia
3. Dehydration
4. Electrolyte imbalances
5. Coma
Ibuprofen (Advil, Motrin)
Naproxen (Naprosyn, Aleve)
1st Gen NSAIDs
Mech: REVERSIBLE inhibition of COX
Effects: Suppress inflamm - COX 2
Analgesia - COX 2
Antipyretic - COX 2
SE: Gastric Ulcers
Bleeding
Kidney impairment
General: DOES NOT PROTECT AGAINST MI/STROKE
Ketorolac (Toradol)
Mech: suppression of prostaglandin synthesis
Effects: equiv pain relief to opiates w/o resp depression, tolerance, and abuse!
Small anti inflamm effect
SE: Gastric Ulcers
Bleeding
Kidney impairment
General
Celecoxib (Celebrex)
2nd Gen NSAID (only one!)
Mech: selective inhibition of COX 2 “coxib”
Effects: anti-inflamm & pain relief w/ reduced gastric risk!
SE: GI ulcers
Increase risk of MI, stroke
General: given for chronic inflamm, long term use!
Less GI effects
Acetaminophen (Tylenol)
Mech: Inhibits COX in the CNS ONLY! concentration to CNS explains why no anti-inflamm
Effects: Analgesic, Antipyretic
SE: W/ Alc induces CYP450 -> increases prod of toxic metabolite, depletes glutathione (converts NAPQI to non-toxic metabolite)
General: Acetylcyesteine (Mucomyst) converts toxic metabolite into non-toxic (replenishes glutathione)
Sumatriptan (Imitrex)
Rizatriptan (Maxalt)
“-triptan”
Serotonin Receptor Agonists
Mech: Stim sero receptors on cerebral vessels -> vasoconstriction
Also stim receptors on sensory neurons ->reduced release of inflamm neuropeptides
Effects: Used for migraine relief
SE: 50% of pts experience “heavy arms” or chest pressure due to thoracic vasoconstriction
General: Must avoid in preg! Teratogenic!
Cautious w/ other vasoconstriction meds
Ergotamine (ergomar)
Ergotamine + caffeine (Cafergot)
Mech: same as -triptans
Effects: prolonged use can lead to physical dependence, S&S similar to migraine attack!
SE: very well tolerated
10% experience nausea
Ergotism w/ prolonged use (periph vasc ischemia) think cold, numb, headache, severe leads to gangrene
General: teratogenic! dont use w/ -triptans
Morphine (strong)
Codeine (mod to strong)
Other:
Fentanyl
Meperidine (Demerol)
Methadone (Methadose)
Hydromorphone (Dilaudid)
Oxymorphone (Opana)
Pure Opioid Agonists
Mech: Bind to & activate Mu & Kappa receptors
Effects: relieves mod to severe pain w/o influencing other senses or causing LOC
SE: Resp depression
Constipation
Urinary retention
Ortho HypoT
Emesis
Cough suppression
Overdose :
1. Coma
2. Resp depress
3. Pinpoint pupils
Tx w/ opioid antag & mech vent
General: oral doses must be MUCH higher than other routes.
should NOT be given with CNS depressants, anticholinergics, HypoT meds
Hydrocodone (Vicodin)
Oxycodone (OxyCotin)
Codeine
Mod to Strong Opioid agonists
Mech: Bind to & activate Mu & Kappa receptors
Effects: lower intensity than morphine
SE: same as morphine
General: Same as morphine
Methadone (Methadose, Dolophine)
Pure opioid agonist
Mech: stim Mu & Kappa receptors.
Longer half life 22hrs
No peak/troughs of pain
Effects: used for opioid maintenance therapy (for a person not ready to withdraw)
SE: dependence on opioids, resp depress & life threatening arrhythmias in large doses
General: Can ONLY be Rx by certified opioid Tx program!
Pentazocine (Talwin)
Butorphanol (Stadol)
Agonist-Antagonist Opioids
Mech: Mu antagonist, Kappa agonist
Effects: used for mild to mod pain
SE: less severe than pure opioid SE’s
Limited resp depress
Can increase CV workload = chest pain
General: could see withdraw symptoms if also taking pure opioid agonist becus Mu are being blocked!
Buprenorphine (Suboxone)
Agonist-Antagonist Opioid
Mech: Mu partial agonist (suppresses craving), Kappa antagonist
Effects: used for opioid maintenance therapy (1/day dosing)
SE: lower risk of resp depress
General: can be prescribed in PCP office !
Naloxone (Narcan)
Opioid antagonist
Mech: competitive antagonist at opioid receptors, blocks opioid agonists
Effects: used for opioid overdose, life saving med! Lasts ~20min (book says 1hr)
Used post-op to break sedation
Used for neonatal resp depress
SE:
General: can induce withdrawal symptoms if given to someone w/ opioid dependence
Procaine (Novocain)
Lidocaine (Xylocaine)
Local Anesthetics
Mech: Block Na channels & prevent propagation of action potential
Block sensory & motor neurons
Effects: duration of anesthesia dependent on blood flow in region.
Often admin w/ Epi for vasocon = longer effect
SE: CNS excitation (seizure inducing)
Suppresses myocardium excitability = reduced conduction/heart block
General: Most of these SE not seen when admin SQ.
If given subdural during delivery, could reach baby!
Propofol (Diprivan)
Most widely used IV Anesthetic!
Mech: promotes release of GABA (keeps suppressing nerve impulse)
NO ANALGESIC EFFECT!
Effects: induction & maintanence of anesthesia, sedation while on mech vent
SE: profound resp depress!
HypoT
Risk for bacterial infection! Store 72
General: cannot be out unrefrigerated for >6hrs!
educate pt on green urine!
Etomidate (Amidate)
General Anesthetic
Mech: binds to GABA receptor & increases sensitivity to GABA
Effects: potential hypnotic used for induction of general anesthesia
NO ANALGESIC ACTION
SE: transient apnea!
HypoT
Electrolyte disturbances
General:
Ketamine (Ketalar)
General Anesthetic
Mech: Antagonizes NMDA receptor (Ca Channel)
Effects: used often for burn dressing changes
Produces state of “dissociative anesthesia”
SE: ~12% pts experience hallucinations post-op
General:
Cortisone
Hydrocortisone
Betamethasone (Celestone)
Dexamethasone (Decadron)
Prednisone (Deltasone)
Methylprednisolone (Medrol)
Glucocorticoids
Mech: Increase glucose levels, inhibit protein synthesis, mobilize fat (moon face, buffalo hump) , Mimic aldosterone = Na/water retention, K excretion
Inhibit prod of inflamm mediators
Suppress prolif of leukocytes
Effects: Tx Rheumatoid arthritis, SLE, IBD, allergic reactions, asthma, dermatology, suppression of transplant rejection
SE: CHAOS
Cushing’s syndrome (moon face/buffalo hump, fluid retention/HTN)
HypoK
Adrenal insufficiency if quick withdrawal
Osteoporosis
Suppressed immune system
General: Roid rage!
pt should be tapered off of steroid to avoid adverse effects!
Bismuth subsalicylate (Pepto-Bismol)
Mech: believed to disrupt bacterial cell wall
Effects: Can be used w/ amox to Tx H. Pylori
Used for diarrhea due to anti-secretory effect
SE: Grey/black stool, black tongue (harmless)
General:
Famotidine (Pepcid)
Cimetidine (Tagamet)
“-idine”
Histamine2 receptor antagonists
Mech: Blocks H2 receptors exclusively! No affect on H1 (allergies)
Normally H2 receptor provides cAMP to Proton-Pump to secrete stomach acid.
Effects: used for GERD, gastric/duodenal ulcers, Zollinger Ellison syndrome (hypersecretion of HCL from tumor)
SE: most common w/ Cimetidine
Anti-androgen effects (gynecomastia, reduced libido) not assoc w/ famotidine
CNS effects (confusion)
Pneumonia (buildup of bacteria in stomach)
General: Cimetidine inhibits CYP450 !
Misoprostol (Cytotec)
Analog of prostaglandin E1
Prostaglandin receptor antagonist
Mech: stim prostaglandin receptors on parietal cells to suppress prod of gastric acid
Effects: prev of gastric ulcers assoc w/ long use of NSAIDs
SE: Diarrhea, abdominal pain
Vaginal spotting or dysmenorrhea
General: contraindicated in preg women! Stim uterine contractions!
Omeprazole (Prilosec)
Esomeprazole (Nexium)
Pantoprazole (Protonix)
Proton Pump Inhibitors
Mech: Pro-drug that is activated in parietal cells of stomach. Inhibits the proton pump!
greater acid suppression than H2RAs!
Effects: lowers stomach acid, GERD & ulcers
SE: Very uncommon, headache, diarrhea, pneumonia by changing oral pharynx flora inhibiting acid secretion.
Rebound hypersecretion if quick cessation of PPI
General: Reduced acid secretion can influence absorption of anti-retrovirals
magnesium hydroxide (Milk of Magnesia)
Aluminum hydroxide/Magnesium hydroxide combo (Maalox)
Antacids
Mech: Alkaline compounds react w/ gastric acid to produce neutral salts
Raises stomach pH
Effects: Reduces destruction of gastric lining, reduces pepsin acitivity
SE: Usually affect the colon.
Milk of Mag causes diarrhea
Maalox can cause constipation
General:
Sucralfate (Carafate)
Mucosal protectant
Mech: NO ACID REDUCTION
Acts as a physical barrier!
In acidic environments converts to a gel that coats the stomach and adheres to ulcers
Effects:
SE: No known serious SEs
General: won’t be effective if taking an antacid. If stomach isn’t acidic, won’t convert to a gel
Magnesium Hydroxide (Milk of Magnesia)
Polyethylene glycol (MiraLax)
Lactulose
Osmotic Laxatives
Mech: poorly absorbed salts or carbs that pull water into intestines
Softens fecal mass
Feces expand & stretch colon
Stimulates peristalsis
Effects:
SE: Loss of water, nausea, flatulence, Mg Hyd contraindicated in renal failure pt due to risk of tox (hyperMag)
General:
Psyllium (Metamucil)
Bulk-forming laxative
Mech: acts like natural fiber, swells in water, transforms into a gel, softens stool & increases bulk, swelling stretches colon stems peristalsis
Effects: laxative
SE: Rare, constipation & impaction if GI motility is interrupted
General: PT SHOULD DRINK FULL GLASS OF WATER!
Docusate sodium (Colace)
Surfactant laxatives
Mech: lowers surface tension of stool, allows water into stool, inhibits reabsorption of water from colon
Effects: laxative
SE: Rare
General: PT SHOULD DRINK FULL GLASS OF WATER!
Disacodyl (Dulcolax, Feen-a-mint)
Senna (Senokot)
Castor Oil
Stimulant Laxatives
Mech: stim intestinal motility, increase secretion of water & electrolytes into colon
Effects: laxatives
SE: Dependency, proctitis (inflamm of the anus) typically only seen w/ repeated use
General:
Ondansetron (Zofran)
Antiemetic
Mech: exerts effect by block serotonin in the pathway to the vomiting center
Effects: anti-nausea
SE: dizziness, risk for arrhythmia (Torsades de pointes)
General:
Metoclopramide (Reglan)
Antieme*tic & Prokinetic
Mech: Suppresses emesis by blocking serotonin AND dopamine in emesis pathway.
Also enhances effect of ACh in upper GI tract (increases upper GI motility)
Effects:
SE: usually only w/ high dose & prolonged use
Tardive dyskinesia & possible neuroleptic malignant syndrome (NMS, v similar to malignant hyperthermia)
Sedation
General:
Scopolamine (Scopoderm)
Antiemetic
Mech: Blocks muscarinic receptors on pathway to vomiting center
Effects: Used for motion sickness!
SE: anti-cholinergic effects (dry mouth, constipation, blurry vision)
General:
Meclizine (Antivert)
Dimenhydrinate (Dramamine)
Antiemetic
Mech: Blocks histamine receptors on pathway to vomiting center
Also blocks muscarinic receptors to a lessor degree
Effects: Used for motion sickness!
SE: Anti-cholinergic & ant-histamine SE’s
General:
Sulfasalazine (Azulfidine)
5-aminosalicylates
Mech: Reduces inflamm by suppressing prostaglandin synthesis by inhibiting COX
Effects: Used for Tx of acute IBS attack
SE: Nausea, fever, rash
General:
Budesonide (Entocort)
Prednisone (Deltasone)
Glucocorticoids
Mech: Inhibits protein synthesis, inhibits synth of chem mediators (prosta, Leuko, histamine)
Effects: anti-inflamm, reduce swelling (decreases vasodilation), reduces pain
SE: usually only in long term use or high doses CHAOS, psychologic disturbances
General:
Infliximab (Remicade)
“-mab” = Mono-clonal antibody
Immunomodulators
Mech: Binds to & neutralizes TNF-a , reduces inflamm
Effects: IV Admin only!
SE: Immunosuppression increases risk of infection, infusion reaction risk!
General: Tell pt to report sore throat or fever!
Adalimumab (Humira)
Immunomodulator
Mech: Binds to & neutralizes TNF-a, reduces inflamm
Effects: SQ ADMIN
SE: Risk of infection, injection site reaction
General: Tell pt to report sore throat or fever! Pt edu on how to admin SQ injection
Cyclosporine (Neoral, Sandimmune)
Immunomodulator
Mech: Suppresses prod of interleukens & other cytokines, reduces prolif of B and cyto T cells
Effects: Used to prevent organ transplant rejection
SE: increased risk of infection, nephrotoxicity
General: tell pt to report sore throat or fever
Heparin
unfractionated heparin
Mech: increases the activity of anti-thrombin! -> inactivates thrombin & factor Xa
Works very quick!
Effects: Admin parenteral ONLY!
Best for venous thrombi
Good for conditions that require rapid response (PE, DVT, MI)
Doesn’t cross placenta or BBB preferred in preg
SE: Hemorrhage!! (Dark stools, lumbar/abdominal/pelvic pain), spinal/epidural hematoma
Heparin-induced thrombocytopenia (prod of abs against heparin-plt complex)
General: PROTAMINE SULFATE IS ANTIDOTE!!
Admin slow IV push
1mg neutralizes 100u heparin
Monitor aPTT labs
Normal Essex
Therapeutic 1.5-2.5x normal (60-80sec)
Enoxaparin (Lovenox)
“No Xa”
Low molecular weight heparin
Mech: Neutralizes factor Xa better! Increases the activity of anti-thrombin resulting in less thrombin & Xa. Fast acting!
Effects: Long half-life (only admin 1-2x/day)
Good for DVT prev post op or Tx of estab DVT
Given prophylactic for CV issues
SE: Bleeding! Risk much lower than heparin
General: more expensive! Pre-filled syringes.
TX OVERDOSE W/ PROTAMINE SULFATE!
Fondaparinux (Arixtra)
Anticoag
Mech: binds to anti-thrombin, complex inactivates factor Xa, prevents Xa from converting prothrombin to thrombin
Effects: Admin SQ
SE: Bleeding! Use caution in renal failure pts! Pt w/ epidural cath may experience hematoma!
General: pre-filled syringes