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What are migraines caused by?
decreased serotonin levels = leads to vasodilation = pain and inflammation
Serotonin agonist
MOA:
increased serotonin levels = vasoconstriction = prevents inflammation and pai
Used for
first line drug for
Drugs
?
Normal SE
?
Adverse SE
?
Contraindications
?
(-tripta or -triptan)
nausea + CNS (dizzy, drowsy, weak) + burning mouth/nasty taste if using nasal spray
adverse SE
if overused = headache
CV (hypertension, chest pain, thrombolytic events)
serotonin syndrome (altered mental status, fever, clonus, sweating)
liver disease, CV issues, dyslipidemia (atherosclerosis vibes), smoking
Ergot alkaloids
MOA: vasoconstriction = prevents inflammation and pain
Used for
Migraines
Drugs
?
Normal SE
?
Adverse SE
?
ergotamine, dihydroergotamine
nausea + CNS (dizzy, drowsy, weak)
adverse SE
if overused =
CV (hypertension, chest pain, thrombolytic events)
ergotamine poisoning (SX: cold and numb hands/feet, muscle pain, cyanosis)
long term use —> risks addiction
*** think of ego the food critic from ratetoulle. he has migraine, he has cold limbs/muscle pain/blue pale skin**

Onabotulinum toxin A
used for?
black box warning?
botox
if it spreads beyond injection site —> dysphagia, SOB, wheezing
What is parkinsons disease caused by?
goal of parkinsons therapy?
3 main drug categories used?
number one nursing rule for parkinson drugs?
low dopamine and high AcH —> results in bradykinesia SX (tremors,
SX relief + maintain independence and mobility
dopamine agents + anti-COMT drugs (bc COMT breaksdown dopamine) + anticholinergic agents
DONT STOP ABRUBTLY —> worsens parkinson SX
Levadopa
MOA:
?
Notes regarding Levadopa
?
Used for
?
Normal SE
?
Adverse SE
?
Administration
?
Nursing
what can u do if on/off syndrome occurs?
dopamine pro-drug that converts into dopamine once inside the body
delayed full effect (takes months), on/off phenomenon, high dose is required to cross BBB ( which also results in adverse SE…), decarboxylase breaksdown Levadopa before it can cross the BBB thus reduced bioavailability
parkinsons disease (but not drug of choice bc too many adverse SE)
nausea
adverse SE
altered mental status (confusion, psychosis)
on-off syndrome (bc Levadopa’s effect wears off after 2-5 years, resulting in abrupt loss of effect)
dyskinesia (involuntary movement)
take on empty stomach (food delays absorption)
HCP can adjust dose as needed
Levadopa-carbidopa combo
note: using carbidopa alone has no effect; its only used to help Levadopa
MOA:
Carbidopa prevents Levadopa being broken down = increased Levadopa bioavailability to cross BBB
Drugs:
?
which one is the drug of choice for treating bradykinesia of parkinsons?
Normal SE
?
Adverse SE
?
Contraindicated
?
Drug interactions
Administration
?
Nursing
when to hold dose?
patient education?
how to accomodate for on/off syndrome?
if patient switching from levadopa to levadopa-carbidopa —> discontinue levadopa 8 hrs beforehand
sinemet, parcopa *****think: LEAVEadopa carbidopa = the meme of The Simpsons school principal dude walking in slo-mo = bradykinesia ***
sinemet
nausea + discolored body fluid (red-brown) + orthostatic hypotension
***think of an old man with parkinsons w/cogwheel rigidity leaking brown rusty liquid and tips-over bc orthostatic hypotension.
adverse SE
arrythmia
altered mental status (confusion, psychosis)
on-off syndrome
dyskinesia (involuntary movement)
Glaucoma + pre-cancerous skin lesions —> risks Melanoma
***think: the old man also skin lesions and glaucoma**
administration
take on empty stomach + ONLY take w/food if GI distress occurs
AVOID high protein meal OR take drug 30 min before or 1 hr after high protein meal
AVOPID vitamin B6 (beef liver, fish)
HOLD dose and NOTIFY HCP if dyskinesea, altered mental status, or arrythmia occurs
Patient education: delayed full effect (weeks-months) + on-off syndrome can occur
HCP can adjust dose OR combine this drug with: dopamine agonist, COMT-inhibitor, or MAO-B inhibitor
Dopamine agonist
less effective than Levadopa-carbidopa
BUT what are this drug’s pros?
Used for:
?
Drugs
Non-ergot dopamine agonist (Pramixepole, Ropinipole)
Ergot dopamine agonist (Bromocriptine)
doesnt need to be converted, decreased risk of dyskinesia, SAFE for high protein meals
parkinsons motor SX
Non-ergot dopamine agonists
Used for
?
Drugs
?
Normal SE
?
Adverse SE
?
drug of choice for early parkinsons
Pramipexole, Ropinirole
nausea
dyskinesia (involuntary movement), orthostatic hypotension, compulsive behavior (gambling, alcoholism), daytime somnolence (“sleep attacks”), insomnia
*** Roll-pin-roll (ropinirole) + pay me (pramixepole) = grandpa compulsive gambling addict who jumps up and screams uncontrollably like daddy does (dyskinesia) = who stays up all night (insomnia/daytime sleep attacks)***
Ergot dopamine agonists
Drugs
?
Used for
?
Normal SE
?
Adverse SE
?
Drug interactions
AVOID which drug?
Bromocriptine
tremors in parkinsons ***think of cryptoo-obsessed finance bro who is literally shaking while he raves about crypto**
Adverse SE
N/v
Dyskinesia (uncontrolled involuntary movement)
Fibrosis of internal organs (especially @ heart valves)
Hypertension
Drug interactions
AVOID Erythromycin
MAO-B inhibitors
MOA
?
Used for
?
Drugs
?
Normal SE
Adverse SE
?
Drug interactions
?
Administration
?
inhibits MAO-B —> prevents dopamine breakdown = more dopamine supply
treating on-off syndrome in parkinsons
(-giline); Selegiline, Rasagiline
nausea + CNS (confusion, dizzy, headache) + dryness
orthostatic hypotension + insomnia
AVOID tyramine-foods —> Hypertensive crisis + AVOID SSRI antidepressant and OTC cough meds —> Serotonin syndrome
give in morning
COMT inhibitors
Needs to be used in combo w/Levadopa
MOA
inhibits COMT (←naturally breaksdown Levadopa) = more Levadopa available
Used for
?
Drugs
?
Normal SE
Adverse SE
treating on-off syndrome in parkinsons
(-capone); Entacapone, Tolcapone
Urine discoloration (orange-brown) + GI distress (diarrhea)
think: El capone saying “im gonna make u sh*t ur pants, and your uh… your pee orange! (awkward cricket sound effect….)
Worsened dyskinesia + Hepatotoxicity (if using Talcapone)
Amantadine
Used for
?
Normal SE
?
Adverse SE
?
Contraindications
dyskinesia caused by levadopa-carbidopa
nausea + dry + confusion @ elderly (confusion, hallucinations)
orthostatic hypotension + livdeo reticularis (skin mottling) + nephroxicity (bc Amantadine is excreted via kidneys)
***think: amantadine sounds like a romantic girl name → this girl makes u dizzy (orthostatic hypotension), pee my pants, skin turns purple for her (skin mottling)***
Central Anticholinergic
MOA: reduces AcH
Used for
tremors in parkinsons
cogwheel rigidity
excess drooling
Drugs
?
Normal SE
Adverse SE
?
Administration
?
Nursing
?
Benztropine, Trihexyphenidyl, Biperiden, Procyclidine
nausea + dryness + sedation + CNS (restless, insomnia)
severe tachycardia + hyperthermia or heat stroke = so be careful exercising or being in hot weather
administration
take with food if GI distress occurs
if taking one dose —> give daytime
if taking multiple dose —> give bedtime
NOTIFY the nurse if severe urinary retention of confusion occurs + provide hydration (ice chips, candy, drinks) + increased fluid/fiber
seizures are caused by severe surge in brain’s electrical activity = results in electrical imbalance
goal of seizure treatment:
reduce seizure ocurrence to allow normal normal ADL
balanced seizure control w/ some inevitable side effects
General nursing for anti-seizure drugs
Take drug EXACTLY as prescribed + DONT miss doses
DONT stop abruptly → withdrawal from meds SLOWLY
Monitor plasma drug levels
Promote drug adherence (very important patient education)
Most seizure drugs cause CNS depression → so AVOID alcohol, opioids, antidepressants, allergy meds
Take w/food to reduce GI upset
DONT change brand names or dosage forms
AVOID activities that require mental alerntess (ex: driving, carrying heavy machines)
Space out activities throughout the day to allow for restnig periods to avoid fatigue/weakness/drowsy SE
Often doctor appointment
Phenytoin may discolor urine (pink, red, brown)
Proper orgal hygeine and regular densist visits espeiocally if taken phenytoin or fosphenytoin
Most seizure drugs are contraindicated in pregnancy (categories C or D) so they disrupt oral contraceptives → accidental pregnancy
IN TEXAS, drivers license will be suspended until youve been seizure-free for 3 months + consistent drug adherence
Phenytoin (Dilantin)
MOA: stabilizes nerve cells to prevent over-excitation
Used for
partial seizures (SX: weird behavior + not fully aware)
tonic clonic seizures (SX: collapse with full body shaking)
Normal SE
Adverse SE
Contraindications
Therapeudic index
whats the normal TI?
what happens if it becomes 20-30?
what happens if it becomes 30-40?
what happens if it becomes 40+?
Drug interactions
Phenytoin is a p450 inducer!!! = decreases TE of most other drugs
Disrupts oral contraceptives
Disrupts Levadopa —> parkinsonism risk
Disrupts anticoagulants —> bleeding risk
Administration
take at same time everyday without missing dose (bc narrow TI)
DONT stop abruptly → rebound seizure risk
STOP enteral feeding ____ before or ____after taking phenytoin
what type of injection CANT be used for phenytoin + why?
Best route is ______
is only compatible with what IV fluid type?
what complication occurs if you do IV push instead?
Nursing
Phenytoin and Dilantin are the same drug, but different formulations are NOT interchangeable due to differences in absorption + dosing
hypotension + gingival hyperplasia
CNS depression + Steven Johnson Syndrome + Hepatotoxicity + Leukopenia + Suicide/depression
Liver disease + pregnancy
10-20
nystagmus, diplopia
ataxia, slurred speech, hand tremors
stupor, coma
2 hrs before or 2 hrs after
DONT give IM injection → tissue damage
Slow IV infusion
normal saline
purple hand syndrome
Fosphenytoin
what makes this diff than phenytoin?
MOA
?
Used for
when Phenytoin cant be used
tonic clonic seizures
status epilepticus (basically continuous seizures)
Route
hint: its the 2 routes that cant be used for Phenytoin
Nursing
ALWAYS prescribe Fosphenytoin in what units?
safer bc less adverse SE + can be given fast = preferred for high acuity settings
pro-drug of phenytoin that converts into phenytoin
IM injection + IV push
PE units (aka Phenytoin Sodium Equivalents)
Barbituates
MOA: enhanced GABA activity —> increased CNS depression
Drug
Phenobarbital
Adverse SE
?
Contraindications
?
Drug interactions
barbituate is a strong p450 inducer = thus reduced TE of other drugs
disrupts oral contraceptives
Severe resp depression + CNS depression + hypotension + Neuro toxicity (nystagmus, ataxia)
Liver issues (bc drug metabolism of Barbituate wont be good)
Carbamazepine
Used for
seizures
trigeminal neuroglia
BPD
Normal SE
nausea
Adverse SE
a p450 inducer!
?
Contraindications
?
Drug interactions
?
Therapeudic index
?
Administration
?
Nursing
adverse SE
steven johnson syndrome
agranulocytosis (=increased infxn risk)
hepatotoxicity
SIADH (sx: confusion, slurred speech, weakness)
Toxicity (SX: ataxia, diplopia, slurred speech)
liver disease + kidney disease + glaucoma + CV issues + pregnancy
disrupts oral contraceptives + AVOID MAOI antidepressants+ AVOID grapefruit
8-12
if using NG tube route: flush NG tube before administration → mix the drug dose w/equal amount of water → then flush NG tube after administration
Benzodiazepines
MOA: increase GABA activity
Drugs
?
which drug is drug of choice for status epilepticus?
Adverse SE
?
Toxicity
antidote + how to administer antidote?
Nursing
Taper off slowly
Long term use —> Anti-seizure tolerance develops (but doesnt affect anxiolytic or sedation tolerance)
Clonazepam, Lorazepam
Lorazepam
adverse SE
CNS depression
Amnesia
IV route → resp depression + hypotension + cardiac arrest
Paradoxical effects (anxiety, insomnia, excitation, euphoria)
Flumazenil → IV push 30 seconds → lasts 1 hr so may need to repeat doses (since benzos have long half life)
Carboxylic Acid derivative
MOA: increased GABA
Used for:
seizures
migraine
BPD
Drugs
?
Expected SE
?
Adverse SE
Therapeudic index
?
Drug interactions
?
valproic acid
weight gain + GI distress
adverse SE
Hepatoxicity
Pancreatitis (SX: left upper abdomen pain + elevated amylase/lipase)
Thrombocytopenia → increased bleeding risk
CNS (confusion, sedation, ataxia, nystagmus)
***think: Vlad the vampoire gained weight from drinking and likes to suck blood and eat pancreases from the Pheny twins (Phenorbitual + Phenytoin)**
50-100
Valproic acid increases toxicity of phenytoin and phenobarbital
Gabapentin
Used for
?
Adverse SE
?
drug of choice for neuropathy + partial seizures
adverse SE
Severe resp depression **think: gabby hannah says she feels suffocated = cant breathe*
Leukopenia (low WBC) → increased infxn risk
Depression/suicide
CNS depression (confusion, dizzy, ataxia)
Decreased levels of B9 + B12
Lamotrigine (Lamictol)
MOA: blocks Na channel = blocked glutamate release + increased GABA release
*****think: blocked glutamate for Lamotrigine = bc Lam le was ripped asf and had amazing glutes**
Used for
?
Normal SE
Nausea
Adverse SE
?
seizures + BPD
BLACK BOX WARNING: Steven johnson syndrome can develop 1 month later + suicide/depression
Topiramate
MOA: prevents spread of seizure via blocked glutamate = increased GABA
Used for
?
Expected SE
?
Adverse SE
?
Nursing
?
seizures + migraines
weight loss
adverse SE
***think: the ship’s Top Pirate is old, skinny (weight loss), has memory loss and slow cognition, glaucoma, has tingly limbs, holds the side of his stomach (bc kidney stone pain)**
Memory loss
Glaucoma
Metabolic acidosis → kidney stones and parasthesia (SX: tingling, numb)
Slow cognition (confusion, drowsy, dizzy + ataxia, diplopia)
Decreased sweating
hydrate to prevent kidney stones
Succinimides
MOA: opens Ca channels to inhibit neuron firing
Used for
?
Drugs
?
Normal SE
GI distress
Adverse SE
?
Therapeutic index
?
Contraindicated
?
Nursing
Monitor CBC + kidneys function + liver function test
drug of choice for abcense seizures
ethosuximide
Malignant hyperthermia + Anorexia + Leukopenia + Anemia
30-100
liver disease + kidney disease
Levetiracetam (Keppra)
Favorite seizure drug safe + less adverse SE
Used for
?
Adverse SE
?
drug of choice for long term seizure maintainence
mood changes (irritability, suicide/depression) + steven johnson syndrome
***think: Leve is an chronically (thus long term use drug) moody/angry little boy who is so mad that his skin is red (STJ rash)***
2 groups of muscle relaxant drugs
which drugs used for localized muscle spasms (aka anti-spasmodics)?
which drugs used for chronic full body muscle rigidity (aka anti-spasmodics)
Nursing for anti-spasmodics and anti-spastics
drugs are NOT interchangable (except for diazepem which is used for both groups)
diazepem, tizanidine
diazepem, dantrolene, baclofen
Centrally acting muscle relaxants
Used for
?
Drugs
**Diazepam
C C C → Carisoprodol, Chlorzoxazone, Cyclobenzaprine
M M → Metaxalone, Methocarbamol
O → Orphenadrine
T → **Tizanidine
Expected SE
?
Adverse SE
GI distress
Allergic rxn
Arrhythmia
Bradycardia
Hepatoxicity
Tizanidine → ____
Long term use → ____
Administration
Take w/food (to reduce GI distress)
Oral route:
Onset is ___
Duration ____
Cyclobenzaprine duration is ____
Drug interactions
AVOID other CNS depressants (opioids, drugs, alcohol, barbituates, etc)
Cyclobenzaprine interacts with MAO inhibitors → hyperthermia + seizure
Decreases effects of BP meds (ex: Clonidine)
local muscle spasms (NOT spasticity)
CNS depression
hepatitis + liver necrosis
30-60 min
4-6 hr
12 hrs - up to 5 days
Centrally acting spasticity drugs
Used for
Spasticity
Drugs
?
which one is drug of choice for long term spasticity maintainence?
Normal SE
CNS depression
diazepam, baclofen, dantrolene
baclofen
Baclofen
Adverse SE
?
antidote for baclofen withdrawal?
Administration
Give with food (to reduce GI distress)
Nursing
?
adverse SE
resp depression, CNS depression, confusion @ elderly
DONT STOP ABRUBTLY → Baclofen Withdrawal SX (rebound spasticity, sweating, itching, fever, fluctuating BP, tachycardia, hyperventilation, hallucination, seizures)
Antidote: Diazepam to offset withdrawal SX
DONT stop abrut
Malignant hyperthermia
who is at risk?
Manifeatations:
high fever, flushed skin, sweating,
severe hypotension (--> shock)
spasticity
dysrythmia
hyperventilation
brown-colored urine
people a mutated RYR1 gene
Dantrolene (Dantrium)
MOA: acts directly on _____ to suppress release of Ca
Used for:
?
Adverse SE
?
skeletal smooth muscle
spasticity + antidote for Maliginant Hyperthermia (either Succinylcholine-induced or general anesthesia-induced)
MOA: by promoting relaxed muscles, Dantrolene prevents rigidity that contributes to the life-threatening body temp of malignant hyperthermia
adverse SE
Hepatotoxicity
Muscle weakness
Sedation
GI distress (diarrhea)
Acne-like rash
Amphetamines
MOA: increases levels of dopamine + norepinephrine
Used for
ADHD
Cancer-induced fatigue
Narcolepsy (“sleep attacks”)
Drug
what is the drug of choice for ADHD?
Adverse SE
***basically corticosteroid vibes***
?
Contraindicated
Hypertension
CV disease
MAOI drugs (antidepressant) → risk hypertensive crisis
Administration
Administer in ____
Nursing
If long term use = ____ to prevent rebound depression
AVOID caffeine/stimulants
methylphenidate
adverse SE
CV (hypertension, palpitations, tachycardia, chest pain)
CNS (insomnia, restless, anxiety)
Hyperglycemia
Thrombocytopenia → bleeding risk
Growth suppression @ children
HIGH addiction risk
Seizure
Anorexia
gradually reduce dose
Miscellaenous stimulants
MOA: weakly inhibits dopamine uptake
Used for
improving wakefulness
sleep apnea-induced fatigue
chemotherapy-induced fatigue
Drugs
?
Expected SE
?
Adverse SE
CNS (restless, anxiety)
Nausea/vomit
Rhinitis
Diarrhea
Drug interactions
P450 inducer → disrupts oral contraceptives
(-finil); modafinil, armonfafinil
Lithium
Used for:
?
Expected SE
?
Adverse SE
?
Contraindictions
?
Excretion and absorption
Onset is ____
Full effect takes ___
Excreted via kidneys
Therapeudic range
normal therapeudic range for acute mania ____
normal therapeudic range for chronic maintenece of mania ____
If overdose = need to do hemodialysis
Drug interactions
Lithium toxicity primarily caused by _____
thus AVOID NSAID, diuretics, low sodium diets, dehydration, hot weather
If used with other BPD drugs (Carbamazepine, Haloperidol) → neurotoxicity
Lithium increases hypothyroidism SE of iodine drugs
SSRI’s may worsen mania
Nursing
Maintain STABLE sodium intake (dont increase/decrease) → discuss with HCP before adjusting
Monitor lithium levels:
8-12 hrs first dose
3x weekly for first month
then every week after that
Monitor kidney function, electrolytes, thyroid function
Monitor patients with diabetes insipidus
Hydrate + take w/food to minimize GI distress
discomfort first few days (fatigue, confusion, impaired memory + metallic taste, polyuria, thirst)
Neprotoxicity, hypothyroidism w/goiter, LIthium toxicity (n/v/d, fine** tremors, drowsy, neuro SX)
kidney disease, severe dehydration, preggo
1 week
months
1-1.5
0.6-1.2
low Na levels
1st gen (typical) VS 2nd gen (atypical) anti-psychotics
1st gen
manifestations: higher EPS risk + neuroepileptic malignant syndrome
2nd gen
manifestations: less EPS risk + metabolic syndrome + neuroepileptic malignant syndrome
1st gen antipsychotics (“typical”)
Class:
?
Drugs:
Low potency: Chlorpromazine
Medium potency: Loxapine
High potency: Haloperidol
Administration
given in divides doses throughout the day
Adverse SE:
**Early onset of EPS
____ ; onset within hours-days
manifests as?
reversible or irreversible?
____ ; onset is days-weeks
manifests as?
reversible or irreversible?
____ ; onset is weeks-months
manifests as?
reversible or irreversible?
**Late onset
____; onset is months later
manifests as?
reversible or irreversible?
***Neuroepileptic malignant syndrome
SX: sudden fever, sweating + rigidity, seizure
treatment?
phenothiazines
acute dystonia
facial muscle/neck spasms
reversible
akathasia
pacing around, cant stand still, restless
reversible
parkinonism
bradykinsea
reversible
irreversible tardive dyskinesia
irreversible
Dantrolene and Bromocriptine
2nd gen antipsychotics (atypical antipsychotics)
hella preferred over 1st gen bc less risk for EPS!!!!
Drugs
***Clozapine
Olanzapine
Quetiapine
Aripiprazole
Risperidone
Ziprasadone
Adverse SE:
***mainly metabolic symptoms + neuroepileptic ***
Metabolic syndrome
SX?
Neuroepileptic malignant syndrome
Clozapine
Used for
antipsychotic
Adverse SE
?
Nursing
monitor CBC
weight gain, diabetes, hyperlipidemia
adverse SE
Fatal agranulocytosis → risks life threatening infection
Myocarditis
Extrapyramidal SX
Deadly if used on dementia @ older adults
MAOI antidepressants
MOA: inhibits MAOI neurotransmitters
Used for
Drug of choice for Atypical depression
OCD
Bulimia
Panick attacks
Drugs
?
which of these is the only transderm option?
Adverse SE
?
Drug interactions
AVOID OTC cold meds (ex: decongestants like Ephedrine)
AVOID other antidepressants (SSRI, SNRI, TCA) → risks Serotonin syndrome (SX: “worst headache of my life”, sweating, fever, rigidity, tremor, hyper-reflexia)
if taken w/ Meperidine → Fever
AVOID anti-hypertension drugs (ex: BB, dihydropyridines, etc…)
Nursing
When changing to a different antidepressant, washout period is ____ minimum
washout period is longer for Fluoxetine at _____ minimum
Check OTC cold meds (make sure they dont contain sympathomimetics)
Tranylcypromine, isocarboxazid, Phenelzine, Selegiline
selegiline
CNS stimulation (anxiety, insomnia, restless)
orthostatic hypotension
if eaten w/tyramine rich food —> hypertensive crisis
2 weeks
5 weeks
ENDED ATY TRICYCLIC ANTIDEPRESSANTS