Exam 2 DRUG CARDS Flashcards
Epinephrine
Adrenaline
Epinephrine classification
Sympathomimetic/Adrenergic agonist
Epinephrine action
(nonselective)
Alpha 1: increase BP
Beta 1: increase HR
Beta 2: promotes bronchodilation
Epinephrine uses
Anaphylaxis, anaphylactic shock
bronchospasms, status asthmaticus
cardiogenic resuscitation, cardiac arrest
Epinephrine side effects
cardiac effects: palpitations, tachycardia, hypertension,
restlessness
hyperglycemia
Epinephrine adverse effects
palpitations, tachycardia, hypertension, dyspnea, tissue necrosis at IV site
Lethal:
ventricular fibrillation, pulmonary edema
Epinephrine contraindications
cardiac dysrhythmias, hypertension,
hyperthyroidism, diabetes mellitus,
pregnancy
Epinephrine drug interactions
beta blockers, digoxin, trycyclic antidepressants (TCA) & monoamine oxidase inhibitors (MAOI)
Epinephrine assessment
Baseline VS, drug Hx, Health Hx, glucose level
Epinephrine intervention
Monitor IV site
Monitor VS and ECG
Monitor urinary output and assess for bladder distension
Provide measures to avoid nausea and vomiting
Monitor blood glucose in CT with diabetes
Atenolol
Tenormin
Atenolol classification
Beta 1 Adrenergic Antagonist
Atenolol action
Selectively blocks beta 1 sites, decrease sympathetic outflow to periphery (reduced HR, vasodilation, reduced BP), suppresses renin-angiotensin-aldosterone system (RAAS)
Atenolol use
hypertension, angina, prophylaxis, and Tx of acute myocardial infarction (MI)
Atenolol side effects
Drowsiness, dizziness, headache, depression, fatigue, nausea, diarrhea, erectile dysfunction
Atenolol adverse effects
Bradycardia, tachycardia, hypotension, chest pain, heart failure, dyspnea
Life-threatening: Bronchospasm, renal failure, dysrhythmia, thrombocytopenia
Atenolol contraindications
pregnancy, hypersensitivity to beta-blockers,
cardiogenic shock, 2nd or 3rd degree heart block,
bradycardia, cardiac failure
Atenolol drug interctions
Increased absorption with atropine and other anticholinergics
decreased effects with NSAIDs
increased risk of hypoglycemia with insulin and sulfonylureas
increased hypotension with prazosin and terazosin
increased lidocaine and verapamil levels with toxicity
Atenolol assessment
Assess VS and ECG for future comparison, drug list (report any diuretics, NSAIDS, digoxin, MAOIs, or CNS depressants), health history. Monitor changes in BP and HR, dizziness, light headedness, note if there is a stuffy nose as nasal congestion can occur
Atenolol evaluation
Evaluate if hypertension is decreased or in MI was solved
classification of albuterol
Beta 2- Adrenergic agonist
repeat
repeat
action of albuterol
Stimulates beta 2- adrenergic receptors in the lungs, which relaxes the bronchial smooth muscle, and then causes bronchodilation
uses/therapeutic effects of albuterol
Treatment of asthma, prophylactic treatment for asthma, treatment of bronchospasms (causes bronchodialation)
side effects of albuterol
Tremor, dizziness, drowsiness, nervousness, restlessness, agitation, anxiety, sweating, HA, nasopharyngitis, insomnia, weakness, nausea, diarrhea, muscle cramps
adverse effects of albuterol
Palpitations, tachycardia, hypertension, infection, hyperglycemia, hypokalemia, cardiac dysrhythmias, angioedema, bronchospasm, Stevens-Johnson syndrome
contraindications of albuterol
Hypersensitivity, milk protein hypersensitivity
Caution: cardia dysrhythmia,
CAD, severe cardiac disease,
hypertension, hyperthyroidism,
diabetes mellitus, renal dysfunction, advances age, seizures, MAOI therapy, pregnancy
drug interactions with albuterol
increased effect with other sympathomimetics; may increase effect with MAOIs and TCAs, antagonize effect with beta blockers
lab interactions with albuterol
may increase glucose level (STIMULATES GLUCONEOGENESIS IN THE LIVER); may decrease serum potassium level
food interactions with albuterol
Use with caffeine-containing-herbs (cols nut, guarana, mate, tea, coffee) increases the stimulant effect
nursing implications of albuterol
Monitor pulmonary function, observe for paradoxical bronchospasms, Assess lung sounds, pulse, BP before administration and during peak
evaluation for effectiveness of albuterol
Prevention/relief of bronchospasm
bethanechol
Urecholine
classification of bethanechol
Cholinergic Agonist: Parasympathomimetic
action of bethanechol
Stimulates the cholinergic receptors to contract of the bladder. Increases GI secretions and peristalsis, constriction of the pupil and bronchoconstriction
uses/therapeutic effects of bethanechol
To treat urinary retention and neurogenic bladder
side effects of bethanechol
Blurred vision, GI effects, Urinary frequency and urgency, Bronchoconstriction, N/V/D, abdominal cramps, hypersalivation, sweating, HA, dizziness, flushing
adverse effects of bethanechol
tachycardia, weakness, bronchospasm
contraindications of bethanechol
Intestinal and urinary tract obstruction, IBS, peptic ulcer. Severe bradycardia, hypotension, COPD, parkinsonism, hyperthyroidism. Seizures, active asthma
drug interactions of bethanechol
Antidysrhythmics decreases bethanechol effect;
Ganglionic blocking agents cause significant hypotension following severe abdominal symptoms;
False test results (amylase & lipase) may result, bethanechol skews reults.
Atropine, flavoxate, and opiates counteract bethanechol action
lab interactions of bethanechol
increases AST, bilirubin, amylase, lipase
nursing implications of bethanechol
baseline vital signs (IF BP IS LOW, CAN’T ADMINISTER DRUGS), monitor BP and HR, teach a patient to rise slowly from a lying position, auscultate breath sounds, record fluid I&Os, monitor the patient for possible cholinergic crisis (overdose). GIVE 1 hour before or 2 hours after meals to minimize N/V, check serum amylase, lipase, AST, bilirubin levels. Monitor GI side effects
evaluation for effectiveness of bethanechol
evaluate urinary output
classification of atropine sulfate
Cholinergic antagonist: Anticholinergic
action of atropine sulfate
Inhibits acetylcholine by occupying the receptors; increases HR by blocking vagus stimulation; promotes pupil dilation and blocking iris sphincter muscle
uses/therapeutic effects of atropine sulfate
Pre-operative medication to reduce salivation SO THAT YOU DON’T ASPIRATE, increase heart rate for bradycardia, and dilate pupils for diagnostic exams
side effects of atropine sulfate
dry mouth, constipation, dry skin, blurred vision, photophobia, urinary retention
adverse effects of atropine sulfate
tachycardia, paradoxic bradycardia, hypertension, hypotension, angina, pulmonary edema, seizures. Dysrhythmias, laryngospasm, Stevens-Johnson syndrome, coma
contraindications of atropine sulfate
Glaucoma, obstructive GI disorders, UC, tachycardia, BPH, myasthenia gravis, myocardial ischemia.
Use with caution: renal or hepatic disorders, COPD, heart failure
drug interactions of atropine sulfate
increases effect with phenothiazines, antihistamines, TCAs, amantadine, quinidine;
high dose anticholinergics may decrease effects of carbidopa/levodopa by delaying GI absorption;
may enhance therapeutic effects of other drugs at therapeutic doses
nursing implications of atropine sulfate
monitor VS (report if tachycardia occurs), monitor urinary I&Os (urinary retention may occur), assess bowl sounds, provide mouth care and eye drops, avoid hot environments, wear sunglasses in bright light after eye dilation
evaluation for effectiveness of atropine sulfate
Evaluate patient response to the drug, determine whether constipation, urinary retention, or increased pulse rate is a problem
alprazolam
Xanax
classification of alprazolam
Benzodiazepine: Sedative-hypnotics, Anxiolytics
action of alprazolam
CNS depression, binds receptors in limbic system and reticular formation, increases GABA and GABA receptors; shift of chloride ions leads to less excitability and stabilizes neuronal membranes
uses/therapeutic effects of alprazolam
To treat anxiety and panic disorders
side effects of alprazolam
Drowsiness, dizziness, amnesia, memory impairment, GI effects (nausea, vomiting)
adverse effects of alprazolam
Depression, tolerance, dependence, withdrawal, hepatic failure, Stevens-Johnson syndrome
contraindications of alprazolam
Respiratory depression, acute alcohol intoxication, psychotic reactions, recent respiratory depressants.
Use with caution: suicidal ideation, drug abuse
drug interactions of alprazolam
decreases respiration with alcohol, CNS depressants. Don’t combine w Benadryl
food interactions of alprazolam
Do not combine the CAMs kava kava, valerian, chamomile. Grapefruit increases alprazolam levels, green tea decreases its effects
nursing implications of alprazolam
Observe the patient for adverse reactions, especially an older or debilitated patient. Teach patient to use nonpharmacologic methods, to induce sleep before giving them the prescription. Advise patients to report adverse reactions. Teach patient that benzodiazepines should be gradually withdrawn. Antidote- Flumazenil (given if respiratory depression is present) FASTER ONSET THAN LORAZEPAM BUT FADES QUICKER
what is the antidote for benzodiazepines?
Flumazenil
evaluation for effectiveness for alprazolam
Evaluate the effectiveness of sedative-hypnotic in promoting sleep, evaluate anxiety
lorazepam
Ativan
classification of lorazepam
Benzodiazepine: Sedative-hypnotics, Anxiolytics
action of lorazepam
Potentiates GABA effects by binding to specific benzodiazepine receptors and inhibiting GABA neurotransmission
uses/therapeutic effects of lorazepam
To control anxiety and to treat status epilepticus, for sedation induction, for insomnia
side effects of lorazepam
CNS effects, ataxia, amnesia, GI distress, hallucinations
adverse effects of lorazepam
Bradycardia, hypo/hypertension, seizures, suicidal ideation, NMS, respiratory depression
contraindications of lorazepam
Hypotension, sleep apnea, pregnancy, hypothermia, seizures, respiratory problems
Caution: severe hepatic/renal impairment, depression, children under 12, geriatric patients
drug interactions of lorazepam
alcohol, antihistamines, antidepressants, opioid analgesics, clozapine, other sedative-hypnotics, oral contraceptives
CAM interactions for lorazepam
when taken with kava kava, valerian, and chamomile can increase CNS depression
nursing implications of lorazepam
observe for side effects, monitor VS, encourage family to be supportive, advise patient not to drive or operate dangerous equipment, warn patient not to consume alcohol or CNS depressant. Peds/Geri: assess for prolonged CNS depression, assess degree and manifestation of anxiety and mental status. Toxicity: Antidote- Flumazenil. SLOWER ONSET BUT LASTS LONGER Discontinuation: gradually decrease does over several days, withdrawal develops slowly (2-10 days) and lasts several weeks. Withdrawal symptoms: tremor, agitation, nervousness, sweating, insomnia, anorexia, muscle cramps
what is the difference between alprazolam and lorazepam?
alprazolam: FASTER ONSET THAN LORAZEPAM BUT FADES QUICKER
lorazepam: SLOWER ONSET BUT LASTS LONGER
evaluation for effectiveness of lorazepam
Increase sense of well-being, decrease in anxiety, improvement of sleep patters
flumazenil
Romazicon
classification of flumazenil
Benzodiazepine Antagonist
action of flumazenil
Antagonizes the CNS depressant effects of benzodiazepine compounds
uses/therapeutic effect of flumazenil
Reversal of benzodiazepine effects, ANTIDOTE (similar to Narcan for opioids)
side effects of flumazenil
Dizziness, agitation, confusion, drowsiness, HA, blurred vision, flushing, sweating, N/V
adverse effects of flumazenil
Seizures, arrythmias, hypertension, phlebitis
contraindications of flumazenil
Patients who are receiving benzodiazepines for life-threatening medical problems
Caution: History of seizures, sever hepatic impairment, pregnancy
nursing implications of flumazenil
DO NOT CONFUSE WITH FLU VACCINE, institute seizure precautions
evaluation for effectiveness of flumazenil
Improves LOC, decrease in respiratory depression caused by benzodiazepines
zolpidem tartrate
Ambien
classification of zolpidem tartrate
Sedative-hypnotic: Non-benzodiazepine
action of zolpidem tartrate
CNS depression, neurotransmitter inhibition
uses/therapeutic effects of zolpidem tartrate
To treat insomnia
side effects of zolpidem tartrate
Hangover (residual sedation), drowsiness, lethargy, N/V, dizziness, memory impairment, anterograde amnesia, nightmares, binge eating
adverse effects of zolpidem tartrate
Tolerance, psychological or physical dependence, withdrawal, sleep-related behaviors, hypotension, angioedema, depression, suicidal ideation, pulmonary edema, renal failure
contraindications of zolpidem tartrate
Hypersensitivity to benzodiazepine, respiratory depression, lactation
Caution: renal or liver dysfunction, mental depression, suicidal ideation, pregnancy, children, older adults, debilitated individuals
drug interactions of zolpidem tartrate
decreases CNS function with alcohol, CNS depressants, anticonvulsants, phenothiazines; increases levels with azole antifungals, decreased levels with rifampin
food interactions of zolpidem tartrate
decreases absorption
nursing implications of zolpidem tartrate
monitor VS (respiratory depression), bed alarm for elderly, teach patient to take it right before bedtime. Teach patient to use of nonpharmacological methods to induce sleep, avoid alcohol, antidepressants, antipsychotics and narcotics, medication takes effect with in 15 to 30 minutes (tell patient to take medication 15-30 minutes before bedtime), warn patient to use caution when driving as drowsiness may occur
evaluation for effectiveness of zolpidem tartrate
Evaluate if it was effective in promoting sleep
phenytoin
Dilantin
classification of phenytoin
Anticonvulsant, Anti-seizure: Hydantoin
action of phenytoin
reduces motor cortex activity by altering ion transport
uses/therapeutic effects of phenytoin
to prevent tonic-clonic and partial seizures and status epilepticus
side effects of phenytoin
gingival hyperplasia, N/V, fatigue, headache, drowsiness, dizziness
adverse effects of phenytoin
leukopenia, hepatic impairment, depression. Hyperglycemia, bradycardia, peripheral neuropathy. Purple glove syndrome. Aplastic anemia, thrombocytopenia, Stevens-Johnsons syndrome, hypotension, ventricular fibrillation, suicidal ideation
contraindications of phenytoin
Pregnancy (teratogenic), hypersensitivity, heart block, bradycardia
Caution: hyponatremia, hypotension, hypoglycemia, suicidal ideation. Thyroid disease, alcoholism, DM. Renal and hepatic impairment, Asian culture
nursing implications of phenytoin
monitor serum drug levels of antiseizure drug to determine therapeutic range. Therapeutic range is 10-20mcg/mL. Warn female patients taking oral contraceptives and antiseizure drugs to use additional contraceptive method, advise against pregnancy. Use seizure precautions for patient at risk for seizure. Determine if client is receiving adequate nutrition as anorexia, nausea and vomiting are side effects. Advise patients not to drive or perform other hazardous activities when initiating drug therapy, must be taken for life at same time every day!
evaluation for effectiveness of phenytoin
evaluate if prevention of seizures was achieved
fluoxetine
Prozac
classification of fluoxetine
Selective Serotonin Reuptake Inhibitor (SSRI)
action of fluoxetine
serotonin is increase in nerve cells because of blockage from nerve fibers
uses/therapeutic effects of fluoxetine
treatment for depression, bipolar disorder, bulimia disorder. OCD, panic disorder, premenstrual dysphoric disorder
side effects of fluoxetine
CNS effects, memory impairment. Tremors, dry mouth, blurred vision, GI effects, erectile dysfunction (impotence)
adverse effects of fluoxetine
Seizures, angioedema, hyponatremia, hypokalemia, hyperkalemia, hypoglycemia, dehydration, bleeding osteoporosis. Stevens-Johnson syndrome, hepatic dysfunction, suicidal ideation
contraindications of fluoxetine
Hypersensitivity
Caution: MI, if taken with MAOIs, dehydration. Lactation, suicidal ideation. Liver disease, osteoporosis, glaucoma, seizure disorder, DM, malnourished, anticoagulant therapy, diarrhea
drug interactions of fluoxetine
alcohol and CNS depressants (increase effect of CNS and respiratory depression), aspirin NSAIDs and Anticoagulants (increase bleeding potential, MAOIs and SSRIs (increased risk of serotonin syndrome),
food interactions of fluoxetine
Grapefruit juice (can lead to toxicity)
CAMs interactions of fluoxetine
St. Johns wort (increase risk of serotonin syndrome, increase effects of hypoglycemia)
nursing implications of fluoxetine
observe patient for signs of depression, mood changes, insomnia, apathy, or lack on interest in activities. Monitor VS, food and drug interactions. Provide list of foods patient should avoid. Counsel female clients regarding the teratogenic effects of the drug. Caution patient not to consume alcohol or other CNS depressants concurrently
evaluation for effectiveness of fluoxetine
Evaluate mental state, depression, bipolar, bulimia disorder, ect
vanlafaxine
Effexor
classification of vanlafaxine
Serotonin Norepinephrine Reuptake Inhibitor (SNRI)
action of venlafaxine
serotonin and norepinephrine are increased in nerve cells due to blockage from nerve fibers
uses/therapeutic effects of venlafaxine
to treat depression, generalized anxiety disorder, social anxiety disorder panic disorder
side effects of venlafaxine
CNS effects, euphoria, amnesia, anticholinergic effects, weakness, diarrhea, anorexia
adverse effects of venlafaxine
tachycardia, seizure, HTN, serotonin syndrome. Suicidal ideation, NMS, renal failure, Stevens-Johnson syndrome
contraindication of venlafaxine
Hypersensitivity
Caution: while taking MAOIs and CNS depressants, anticoagulation therapy, renal and hepatic impairment. Pregnancy and lactation, narrow angle glaucoma, seizures. Hypokalemia, Hyponatremia, hyperthyroidism. MI, heart failure
drug interactions of venlafaxine
Alcohol and CNS depressants (may increase effects of CNS, respiratory depression, hypotension) Anticoagulants and aspirin (may increase bleeding) Taking with other SNRIs and SSRIs (may increase risk for NMS) MAOIs (hypertensive crisis and death) St Johns wort (serotonin syndrome)
nursing implications of venlafaxine
observe patient for signs of depression, mood changes, insomnia, apathy, or lack on interest in activities. Monitor VS, food and drug interactions. Provide list of foods patient should avoid. Counsel female clients regarding the teratogenic effects of the drug. Caution patient not to consume alcohol or other CNS depressants concurrently
evaluation for effectiveness of venlafaxine
Evaluate mental start, depression and anxiety disorders
action of tricyclic antidepressants (TCAs)
blocks uptake of neurotransmitters norepinephrine and serotonin in brain, elevated mood, increases interest in ADLs, decreases insomnia. Blocks histamine receptors which leads to sedation. Blocks cholinergic receptors which leads to anticholinergic effects
uses/ therapeutic effects of TCAs
major depression
side effects of TCAs
drowsiness, dizziness, blurred vision, dry mouth and eyes, GI distress, urinary retention , sexual dysfunction, weight gain, seizures, sleep-related behaviors, suicidal ideation, orthostatic hypotension, dysrhythmias
drug interactions of TCAs
alcohol and other CNS depressants potentiate CNS depression. MAOIs may lead to toxic psychosis, cardiotoxicity. Anti-thyroid drugs may increase dysrhythmias