Neurologic agents Flashcards
alprazolam
Brand - Xanax
Class - C-IV, Benzodiazepine (short/intermediate acting)
Indication - Anxiety, panic disorder
Contraindications - Narrow-angle glaucoma, concurrent ketoconazole/itraconazole
Pregnancy - Data suggests Risk
Black Box - Concurrent use w/ opioids
Counseling - Drowsiness? Avoid alcohol, driving, crushing XR
MoA - Enhances the effect of GABA
amitriptyline
Brand - Elavil
Class - Tricyclic antidepressant
Indication - Depression
Contraindications - MAOI use in last 2w, during acute recovery period after MI, use of cisapride
Black Box - Suicidality; not approved for children <12y
Counseling - Avoid alcohol & CNS depressants, avoid sudden discontinuation, improvement may not be seen for weeks
MoA - Blocks reuptake of 5-HT & NE, subsequent downreg of adrenergic receptors
aripiprazole
Brand - Abilify
Class - Antipsychotic
Indication - Bipolar (mania), schizophrenia, depression (w/ antidepressant), Tourette syn, irritability (w/ autism)
Black Box - Dementia, sucidality
Counseling - Avoid discontinuation, alcohol. May impact mental alertness/coordination, impair heat regulation, lower seizure threshold. Report increased seizure activity, depression, thots of suicide, hyperglycemia, extrapyamidal effects, neuroleptic malignant syndrome.
MoA - Quinolinone derivative, partial agonist at DA2,3 & 5-HA1a receptors and antagonist at 5-HA2a
atomoxetine
Brand - Strattera
Class - NE reuptake inhibitor, CNS stimulant
Indication - ADHD
Contraindications - MAOIs use within 2w, narrow-angle glaucoma, pheochromocytoma, severe cardiovascular disorders where increases in BP/HR is dangerous
Pregnancy - Risk
Black Box - Suicidality in children/adolescents
Counseling - Beware mental alertness, monitor growth/weight in children for dose, report new psychiatric problems, chest pain, palpitations, dyspena, cardiac dysrhythmias, MI, or cerebrovascular accidents. Do not open capsules (dust irritates eyes).
MoA - Selective NE reuptake inhibitor for ADHD
bupropion
Brand - Wellbutrin (SR, XL), Aplenzin
Class - Monocyclic antidepressant
Indication - Depression, SAD, smoking cessation
Contraindications - Seizures, anorexia/bulimia, MAOI use within 2w, undergoing abrupt discontinuation of alcohol, benzodiazepines, barbituarates, or antiepileptics
Black Box - Suicidality, neuropsychiatric reactions
Counseling - Avoid alcohol, CNS depressants, activities w/ mental alertness. Tk at the same time (at bedtime). XL tab shell visible in stool.
MoA - Mild DA & NE uptake inhibitor, no direct effect on 5-HT receptors or MAO
buspirone
Brand - BuSpar
Class - Antianxiety
Indication - Anxiety
Counseling - Realize mental alertness, improvement may not be seen for weeks, avoid sudden discontinuation. Tk w/wo food but consistently. Avoid alcohol, grapefruit juice, and MAOI.
MoA - Selective 5-HT1a receptor partial agonist. Acts on DA2 autoreceptors and can DR B-adrenergic receptors. Does not have amnestic, anticonvulsant, muscle relaxant, or hypnotic effects like a benzodiazepines.
carbamazepine
Brand - Tegretol
Class - Anticonvulsant
Indication - Epilepsy, trigeminal neuralgia
Contraindications - Bone marrow depression, MAOIs, nefazodone
Black Box - Agranulocytosis, aplastic anemia, dermatological reactions (esp Asians), screen for HLA-B*15:02
Counseling - May decrease effectiveness of oral contraceptives (use condom), take with food but not alcohol or grapefruit, avoid abrupt discontinuation, realize mental alertness
MoA - Blocks firing of AP, decreases excitatory NT
carbidopa / levodopa
Brand - Rytary, Duopa
Class - Antiparkinsonian
Indication - Parkinson disease
Contraindications - Narrow-angle glaucoma, concurrent MAOI or linezolid
Pregnancy - Risk (carbidopa)
Counseling - Place disintegrating tablets on tongue
MoA - Carbidopa (does not cross BBB) allows more levodopa to reach CNS before decarboxylating so less is required and less side effects occur, levodopa turns into DA
citalopram
Brand - Celexa
Class - SSRI antidepressant
Indication - Depression
Contraindications - Concomitant use of pimozide or MAOIs
Pregnancy - Risk
Black Box - Suicidal ideation, not approved for children
Counseling - Realize mental alertness. Improvement may not be seen for several weeks, avoid abrupt discontinuation. Do not drink alcohol or use NSAIDs, report worsening depression or unusual bleeding.
MoA - Bicyclic selective/potent inhibitor of 5-HT reuptake
clonazepam
Brand - Klonopin
Class - C-IV, Benzodiazepine
Indication - Panic disorder, seizure
Contraindications - Liver disease, narrow-angle glaucoma
Black Box - Concurrent use w/ opioids, abuse/addiction
Counseling - May cause drowsiness, avoid alcohol. Allow disintegrating tab to dissolve on tongue.
MoA - Enhances the effect of GABA
dexmethylphenidate
Brand - Focalin
Class - C-II, CNS Stimulant
Indication - ADHD
Contraindications - MAOI use, drug dependence, glaucoma, tics or Tourette syn
Black Box - Abuse & dependence
Counseling - Avoid late doses (insomnia), may pour on applesauce and swallow whole if needed.
MoA - Increases CNS activity by inhibiting reuptake of NE & DA
dextroamphetamine
Brand - Dexedrine, {Adderall is dextroamphetamine&hetamine salt}
Class - C-II, CNS Stimulant
Indication - ADHD, Narcolepsy
Contraindications - HSN, HTN, Advanced arteriosclerosis, Hyperthyroidism
Black Box - Cardiac events including sudden death, Abuse & dependence
Counseling - May cause anorexia, Report vocal or motor tics, Caution pt w/ history of seizure, Do not give at bedtime (insomnia), Report irregular HR
MoA - Amphetamines cause release of DA and NE at presynaptic nerve terminals and may block reuptake of NE and DA by competitive inhibition.
diazepam
Brand - Valium
Class - C-IV, Benzodiazepine
Indication - Alcohol withdrawal syndrome, anxiety, seizure
Contraindications - Narrow-angle glaucoma, severe liver disease, myasthenia gravis, sleep apnea, respiratory insufficiency, kids <6mo
Pregnancy - Risk
Black Box - Concurrent use w/ opioids
Counseling - May cause drowsiness, avoid alcohol, avoid driving.
MoA - Enhanced effect of GABA
divalproex Na+
Brand - Depakote
Class - Anticonvulsant
Indication -Seizures, manic bipolar disorder, migraine prophylaxis
Contraindications - Hepatic disease, urea cycle disorders
Pregnancy - Risk
Black Box - Hepatotoxicity, teratogenicity, pancreatitits, patients w/ mitochondrial disease
Counseling - May cause dizziness or somnolence, look for signs of liver dysfunction during first 6 mo, tk w/ food to avoid GI upset, do not discontinue abruptly, avoid alcohol
MoA - Sodium valproate/valproic acid increases GABA by inhibiting metabolism and limits repetitive neuronal firing through sodium channels
donepezil
Brand - Aricept
Class - Central cholinesterase inhibitor
Indication - Alzheimer disease, dementia
Contraindications - Hypersensitivity to piperidine derivatives
Counseling - Take at bedtime, allow tab to dissolve on tongue and follow w/ water. Report GI bleeding. Adverse effects tend to resolve w/ continued use.
MoA - Enhances ACe by reversibly inhibiting AChE (that hydrolyzes it), it is highly selective for the CNS, so less peripheral side effects
duloxetine
Brand - Cymbalta
Class - SNRI antidepressant
Indication - Anxiety, Depression, Diabetic peripheral neuropathy pain/fibromyalgia/musculoskeletal pain
Contraindications - MAOI, TCA, linezolid use, uncontrolled glaucoma
Pregnancy - Risk
Black Box - Suicidality, not approved for children
Counseling - Report withdrawal, may cause hepatoxicity and increased risk of bleeding, require several weeks for depression improvement, avoid alcohol.
MoA - Selectively inhibits reuptake of 5-HT & NE
escitalopram
Brand - Lexapro
Class - SSRI antidepressant
Indication - Depression, Generalized anxiety disorder
Contraindications - Concurrent MAOI use
Pregnancy - Risk
Black Box - Suicidality
Counseling - Improvement may not be seen for 6w, report worsening depression, avoid abrupt ddiscontinuation, do not drink alcohol or use NSAIDs
MoA - S-enatiomer of citaloprom and selective inhibitor of 5-HT reuptake
fluoxetine
Brand - Prozac
Class - SSRI antidepressant
Indication - Depression, OCD, Panic Disorder, Bulimia nervosa, Premenstrual dysphoric disorder
Contraindications - Concomitant pimozide, thiordazine, or MAOIs
Pregnancy - Risk
Black Box - Suicidality, approved children >7y
Counseling - Take before breakfast, do not drink alcohol or use NSAIDs, improvement may not be seen for several weeks, while adverse effects present in the first week, report worsening depression.
MoA - Bicyclic selective & potent inhibitor of 5-HT reuptake
guanfacine
Brand - Intuniv
Class - Alpha2-adernergic agonist
Indication - ADHD (extended release), HTN (immediate release)
Counseling - Avoid alcohol, CNS depressants, caution driving, report signs of hypotension, hepatic dysfunction, edema; avoid abrupt discontinuation
MoA - Stimulates alpha receptors in the CNS by activating inhibitory neurons to decrease sympathetic outflow
lamotrigine
Brand - Lamictal
Class - Phenyltriazine anticonvulsant
Indication - Bipolar I disorder, partial seizure
Black Box - Serious skin reactions
Counseling - Seek PCP if blistering rash, yellowing of skin/eyes, unusual bleeding, shortness of breath, or suicidal thoughts occur; avoid alcohol
MoA - Inhibits voltage Na+ channels, stabilizing membranes and reducing release of excitatory NT like glutamate and aspartate
levetiracetam
Brand - Keppra (XR)
Class - Anticonvulsant
Indication - Myoclonic/partial/tonic-clonic seizure
Pregnancy - Risk
Counseling - Realize mental alert, report mood swings, agitation, avoid sudden discontinuation of drug
MoA - Pyrrolidine derivative that is unrelated to other AEDs
lisdexamfetamine [dimestylate]
Brand - Vyvanse
Class - C-II, amphetamine
Indication - ADHD, binge eating disorder
Contraindications - hypersensitivity/idiosyncrasy to sympthomimetic amines; MAOIs; CV disease/advanced arteriosclerosis; mod-severe HTN; hyperthyroidism, glaucoma, agitated states, history of drug dependence
Pregnancy - Risk
Black Box - Risk of abuse/misuse/diversion
Counseling - Tk in morning; monitor growth rate/weight in children, report new psych problems, chest pain, palpitations, dyspnea, signs of cardiac dysrhythmia, AMI, cerebrovascular accident
MoA - Prodrug of dextroamphetamine > release DA & NE and block reuptake by competitive inhibition
lithium
Brand - Eskalith (CR), Lithobid
Class - Antimanic
Indication - Bipolar disorder (maintenance or manic episode)
Contraindications - Severe debilitation, dehydration, Na+ depletion, CV disease, renal impairment, concomitant diuretic therapy
Pregnancy - Risk
Black Box - Lithium levels required
Counseling - Dispense medication guide. Maintain fluid and salt intake. Report signs of toxicity (diarrhea, vomiting, tremor, ataxia, drowsiness, muscle weakness, lack of coordination, giddiness, blurred vision, tinnitus, or large volumes of dilute urine.
MoA - Alters action of several second-messenger systems, cation transport across cell membrane and influence reuptake of 5-HT and/or NE, inhibited phosphatidylinositol cycle messangers
lorazepam
Brand - Ativan
Class - C-IV, Benzodiazepine (short or intermediate act)
Indication - Anxiety, Insomnia (due to situational stress)
Contraindications - Narrow-angle glaucoma
Pregnancy - Risk
Black Box - Concurrent use w/ opioids
Counseling - Drowsiness, avoid alcohol, avoid driving
MoA - Enhance the effect of GABA