Drug List Flashcards
name the first generation NSAIDs
- aspirin
- ibuprofen
- naproxen
- diclofenac/misoprostol
- ketorolac
name commonalities among all first generation NSAIDs
- MOA: inhibit COX 1 & 2–>inhibit PG synthesis
- indication:
- inflammatory disorders (RA, OA, bursitis)
- mild-moderate pain
- suppress fever
- dysmenorrhea
- ADRxns:
- inc risk of GI bleed
- renal impairment
Aspirin: Class
salicylates
Aspirin: MOA
-
irreversible inhibitor of COX1 and COX2–>inhibits PG synthesis
- COX2: for inflammation, pain, fever
- COX1: for MI and stroke (b/c it inhibits platelet aggregation)
Aspirin: Indications
- inflammation: RA, JRA, OA, rheumatic fever, tendinitis, bursitis
- mild-moderate pain (no tolerance or dependence like opioids)
- reduction of fever in adults
- dysmenorrhea
- suppression of platelet aggregation (by inhibiting COX1)
- so for prophylaxis of MI and stroke
- colorectal cancer prevention
Aspirin: SE
- gastric distress
- nausea
- heartburn
Aspirin: ADRxns
- GI bleeding, gastric ulceration, perforation
- bleeding inc b/c platelet aggregation is inhibited
- salicylism: tinnitus, sweating, headache
- renal impairment
- due to COX1 inhibition
- Reye’s Syndrome in children
- encephalopathy and fatty liver degeneration
- anaphylaxis and laryngeal edema
Ibuprofen: Class
NSAID
Ibuprofen: MOA
- reversible inhibitor of COX 1 and COX 2–>inhibit PG synthesis
Ibuprofen: Indications
- fever
- mild to moderate pain
- inflammation: RA, OA
- dysmenorrhea: best NSAID for this
- closure of DA in infants
- **suppression of platelet aggregation is MUCH less than aspirin
Ibuprofen: SE
- headache
- constipation
- dyspepsia
- nausea
- vomiting
Ibuprofen: ADRxns
- gastric ulcers and GI bleeding (less than aspirin)
- renal impairment
- due to COX 1 inhibition
- Stevens Johnson Syndrome
- can cause scarring, blindness, death
- MI and Stroke
- b/c it causes little to no suppression of platelet aggregation, so inc risk of MI and stroke
- exfoliative dermatitis
- toxic epidermal necrolysis
- anaphylaxis
Naproxen: Class
NSAID
Naproxen: MOA
- reversible inhibitor of COX 1 (highly selective for COX 1–>inhibit PG synthesis
Naproxen: Indications
- inflammation:
- RA, bursitis, tendinitis
- dysmenorrhea
- fever
- mild-moderate pain
Naproxen: SE
- dizziness
- drowsiness
- headache
- constipation
- dyspepsia
- nausea
Naproxen: ADRxns
- GI distress, bleed
- renal fcn impairment
- MI
- Stroke
- b/c it is a selective inhibitor of COX1, the risk for MI and stroke appears less with Naproxen than other traditional NSAIDs like ibuprofen and diclofenac
- drug induced hepatitis
- anaphylaxis
- Stevens Johnson Syndrome
Diclofenac/Misoprostol: Class
NSAID/cytoprotective PG
Diclofenac/Misoprostol: MOA
- reversible inhibitor of COX 1 and COX 2–>inhibit PG synthesis
- Misoprostol: PG analog that can protect against NSAID induced ulcers
Diclofenac/Misoprostol: Indications
- RA, OA pts at high risk for NSAID induced gastric/duodenal ulcers
Diclofenac/Misoprostol: SE
- diarrhea (misoprostol)
- abdominal pain
Diclofenac/Misoprostol: ADRxns
- uterine contractions (misoprostol)–>miscarriage
- contraindicated during pregnancy, pts should be on contraception to prevent pregnancy
Ketorolac: Class
NSAID
Ketorolac: MOA
- reversible COX-1 and COX-2 inhibitor–>inhibits PG synthesis
Ketorolac: Indication
- pain (as good as morphine, opioids)
- use for acute, severe pain
- post op pain
- **minimal anti-inflammatory effects
Ketorolac: SE
- drowsiness
Ketorolac: ADRxns
- ulcers, GI bleed, perforation
- renal impairment
- premature closure of DA
- suppress uterine contractions
- MI/Stroke
- b/c it causes little to no suppression of platelet aggregation, so inc risk of MI and stroke
- exfoliative dermatitis
- Stevens Johnson Syndrome
- Toxic Epidermal necrolysis
Ketorolac: what is important to remember?
- duration of therapy by all routes should be no more than 5 days
what is considered a second generation NSAID?
- Celecoxib
Celecoxib: Class
NSAID
Celecoxib: MOA
- COX 2 selective inhibitor–>inhibit PG synthesis
Celecoxib: Indications
- inflammation
- OA, RA, ankylosing spondylitis, juvenile idiopathic arthritis
- acute pain
- dysmenorrhea
- familial adenomatous polyposis which predisposes to colorectal cancer
Celecoxib: SE
- dyspepsia
- abdominal pain
Celecoxib: ADRxns
- possible gastric ulcers, but less likely
- MI, stroke
- contraindicated in pts who have heart dz
- renal impairment
- sulfonamide allergy
- premature closure of DA
- contraindicated in pregnancy
- exfoliative dermatitis
- Stevens Johnson Syndrome
- Toxic Epidermal Necrolysis
why are gastric ulcers less likely with Celecoxib?
- b/c it is only a selective inhibitor of COX2, COX1 is not inhibited, so there is no inhibition of platelet aggregation
why are MI, stroke ADRxns for Celecoxib?
- b/c the drug does not inhibit COX1, so there is no platelet aggregation
- b/c it does inhibit COX2, which causes increased vasoconstriction, so there is inc likelihood of vessel blockage once the process of thrombosis has begun
NSAIDs: general nursing implications
- take with food, milk, water to prevent GI upset
- do not crush or chew enteric coated or sustained release capsules
- DO NOT consume alcohol (problem is 3+/day)
- notify prescriber if GI irritation is severe or persistent
- avoid use to prevent vaccination associated fever/pain
- contraindicated if: hx of severe NSAID allergy, children w/ chickenpox or influenza
- Celecoxib: for those with sulfa allergy
- in pregnant women b/c may cause maternal anemia, premature closure of DA
- do not take with ACE inhibitors/ARBs: inc renal impairment risk
- do not take with glucocorticoids: b/c inc risk of GI bleed
- give PPI or H2RA if pt at high risk for bleeding
- discontinue before major surgery
- be careful if taking anticoagulants
Aspirin: specific nursing implications
- discard any that smells like vinegar
- can cause salicylism
- educate about S/S: tinnitus, sweating, headache, dizziness
- avoid aspirin in children due to risk of Reye’s Syndrome
- use acetaminophen instead
- take about 2 hours before another NSAID b/c otherwise, NSAID antagonizes anti-platelet effect of aspirin and decreases protection for MI/stroke
- aspirin toxicity is an emergency:
- tx: external cooling, fluids to correct dehydration/electrolyte loss, infusion of bicarb to reverse acidosis, ventilation
Prednisone: Class
glucocorticoids
Prednisone: MOA
- anti-inflammatory:
- inhibit synthesis of chemical mediators (PG, histamine, LT)
- reduce swelling, warmth, redness, pain
- suppress infiltration of phagocytes, so damage from lysosomal enzymes averted
- immunosuppressive
- proliferation of lymphocytes
Prednisone: Indication
- RA: reduce inflammation and pain
- SLE
- IBD: ulcerative colitis, Crohn’s
- bursitis, tendinitis, OA
- allergic rxns: rhinitis, bee stings
- asthma
- skin dz
- neoplasms
- suppression of allografts
- prevention of respiratory distress syndrome in preterm infants
Prednisone: SE
- osteoporosis
- infection: especially Pneumocystic pneumonia
- glucose intolerance
- myopathy, muscle weakness
- fluid and electrolyte disturbance–>HTN, edema
- growth delay (in children)
- psychological disturbances: insomnia, anxiety
- cataracts, glaucomas
Prednisone: ADRxns
- adrenal insuffiency
- psychological disturbances: hallucinations, suicide
- peptic ulcer dz
- b/c inhibits PG synthesis
- Cushing’s
- moon face, buffalo hump, potbelly, hyperglycemia, osteoporosis, muscle wasting
- thromboembolism
Prednisone: Nursing Implications
- contraindicated for those with systemic fungal infections and receiving live virus vaccines
- DO NOT drink with grapefruit juice
- avoid taking aspirin and acetaminophen with it
- should be taken with food to prevent gastritis
- do not stop abruptly
- inform pts about early signs of infection: fever, sore throat
- educate pt about S/S of fluid retention (weight gain, swelling of extremities) and hypokalemia (muscle weakness, irregular pulse, cramping)
- notify doc if vision becomes cloudy, blurred
- notify doc if black, tarry stool
- notify pt about possible psychologic rxns
- watch for signs of compression fractures and fractures of other bones
- take w/ Ca and vitamin D to prevent osteoporosis
- also should have bone scans
- evaluate growth of children
- pt should receive eye exams
- watch for signs of hyperglycemia
- watch for thinning of the skin, especially in older pts
Diphenhydramine: Class
Antihistamines
Diphenhydramine: MOA
- H1 Receptor Antagonist
Diphenhydramine: Indications
- sneezing
- rhinorrhea
- nasal itching
- allergic rhinitis
Diphenhydramine: SE
- sedation
- anticholinergic effects: dry mouth, constipation, urinary hesitancy, blurred vision (b/c of pupil paralysis), HTN, tachycardia
- anorexia
Diphenhydramine: Nursing Implications
- does not work against common cold
- more effective if taken prophylactically, before symptoms begin
- should be administered on regular basis throughout allergy season
- have to be careful when giving to older adults, b/c it may inc risk of falls
name the H2 Receptor Antagonists
- cimetidine
- ranitidine
- famotidine
name commonalities among H2 Receptor Antagonists
- MOA: suppression of gastric acid from parietal cells
- indication: gastric and duodenal ulcers
Cimetidine: Class
- H2 Receptor Antagonist
Cimetidine: MOA
- when H2 receptors are activated, then gastric acid secretion is promoted
- so cimetidine acts by reducing volume of gastric juice and its hydrogen ion concentration, suppresses acid secretion
Cimetidine: Indications
- gastric and duodenal ulcers
- GERD
- Zollinger Ellison Syndrome (hypersecretory syndromes)
- aspiration pneuomonitis: aspiration of gastric acid
- occurs in surgery b/c anesthesia suppresses glottal reflex so the gastric acid goes to lungs
- OTC: heartburn, acid indigestion, sour stomach
Cimetidine: SE
- antiandrogenic effects: gynecomastia, reduced libido, impotence
- CNS effects: confusion, hallucinations, CNS depression (lethargy), CNS stimulation (restlessness, seizures)
- pneumonia: when acidity is dec, bacterial colonization inc
Ranitidine: differences from cimetidine
- more potent
- fewer ADRxns
- fewer drug rxns
Ranitidine: Class
H2 Receptor Antagonists
Ranitidine: MOA
- H2 receptor blocker that suppresses secretion of gastric acid from parietal cells
Ranitidine: Indications
- short term tx of gastric/duodenal ulcers
- prophylaxis of recurrent duodenal ulcers
- tx of ZE Syndrome: better than cimetidine
- tx of GERD
Ranitidine: SE
- rare CNS effects: b/c penetrates BBB poorly
- **no antiandrogenic effects b/c does not bind to androgen Rs
Famotidine: Class
H2 Receptor Antagonists
Famotidine: MOA
- binds to H2 R and blocks it, so suppresses secretion of gastric acid
Famotidine: Indications
- tx and prevention of duodenal ulcers
- tx of gastric ulcers
- GERD
- ZE Syndrome (hypersecretory states)
- OTC: heartburn, acid indigestion, sour stomach
Famotidine: SE
- elevation of gastric pH may inc risk of pneumonia
- **no antiandrogenic effects b/c does not bind to androgen Rs
H2 Receptor Antagonists: Nursing Implications
- may be taken w/o regard to meals
- make sure pt knows the dosing schedule
- avoid cigarettes and aspirin/NSAIDs
- advise pt to stop drinking b/c drinking exacerbates ulcer symptoms
- tell pts 5-6 small meals may be preferable to 3 larger meals
- educate pt about signs of GI bleed: black/tarry stools, coffee ground vomitus
- inform pt about S/S of respiratory infection, notify provider if these occur
- for PUD, need dx with visualization of ulcer and test for H. pylori
- inform pt that cimetidine can cause anti-androgenic effects (gynecomastia, dec libido, ED) but reverses after drug withdrawal
- also can cause CNS effects–notify provider of this
Cyclosporine: Class
- immunosuppressants–calcineurin inhibitors
Cyclosporine–MOA
- binds to a protein, cyclophilin, to inhibit calcineurin which is needed to synthesize IL-2
- w/o IL-2, proliferation of B cells and cytolytic T cells is suppressed
Cyclosporine–Indications
- to prevent rejection of allogenic kidney, liver, and heart
- dispense with prednisone
- psoriasis
- RA
Cyclosporine: SE
- HTN
- tremor
- hirsutism
- leukopenia
- gynecomastia
- sinusitus
Cyclosporine–ADRxns
- nephrotoxicity
- infection
- hepatotoxicity
- lymphomas
- anaphylaxis
- seizures
- posterior reversible encephalopathy syndrome
- progressive multifocal leukoencephalopathy
- **interaction w/ grapefruit juice–inhibits cyclosporine metabolism–>inc risk for toxicity
Cyclosporine–Nursing Implications
- avoid if pregnant, inoculated with live virus vaccine, chickenpox, herpes zoster
- dispense oral liquid using specially calibrated pipette
- mix well with diluent and drink immediately
- refill container with diluent and drink to ensure ingestion of entire dose
- can mix with apple juice or OJ to improve taste
- DO NOT drink grapefruit juice
- inform pt about needing periodic tests for kidney fcn (BUN, creatinine) and liver fcn (bilirubin, LFTs)
- if creatinine level inc too high in the blood, then this is sign that the kidneys are failing
- inform pt about early signs of infection: fever, sore throat
- inform pt about possible increase growth in hair, but that this is reversible
- do not breast feed
- women of child-bearing age should be using mechanical contraception
Tacrolimus vs. Cyclosporine
- tacrolimus is somewhat more effective than cyclosporine but more chance of toxicity
Tacrolimus–Class
immunosuppressants–calcineurin inhibitor
Tacrolimus–MOA
- binds to protein (FKBP-12) which then inhibits calcineurin, so IL-2 and IFN gamma are suppressed–>inhibits proliferation of B cells and cytotoxic T cells
Tacrolimus–indications
- to prevent allogenic organ rejection of liver, kidney, and heart transplants
- administer with glucocorticoids
Tacrolimus–SE
- GI effects: diarrhea, nausea, vomiting
- HTN
- hyperkalemia
- hyperglycemia
- hirsutism
- paresthesia
Tacrolimus–ADRxns
- nephrotoxicity
- neurotoxicity: headache, tremor, insomnia
- anaphylaxis (if did IV administration)
- infection
- lymphomas
- posterior reversible encephalopathy syndrome (PRES)
- seizures
- **metabolized by CYP3A4, and grapefruit juice inhibits this enzyme, so if drink grapefruit juice, then there will be inc circulating levels of tacrolimus
name the immunosuppressant–cytotoxic medications
- azathioprine
- mycophenolate
name the commonalities among the immunosuppresant cytotoxic drugs
- MOA: suppress immune response by killing B and T cells undergoing proliferation
- SE:
- bone marrow suppression
- GI distress
- reduced fertility
- alopecia
Azathioprine–Class
immunosuppressants: cytotoxic drugs
Azathioprine–MOA
- suppresses immune response by inhibiting proliferation of B and T cells
- nonspecific: toxic to all proliferating cells
Azathioprine–Indications
- used with cyclosporine and glucocorticoids to suppress transplant rejection
- severe refractory RA in non pregnant adults
- autoimmune dz
Azathioprine–SE
- GI distress: nausea, vomiting
- alopecia
- reduced fertility
- anemia
Azathioprine–ADRxns
- bone marrow suppression–>neutropenia and thrombocytopenia
- pancreatitis
- blood dyscrasias
- neoplasms
- progressive multifocal leukoencephalopathy
- malignancy
- serum sickness
Azathioprine–Nursing Implications
- take CBC of pt for baseline before use
- avoid during pregnancy
Mycophenolate–Class
Immunosuppressants–cytotoxic drugs
Mycophenolate–MOA
-
selective inhibitor of B and T cell proliferation
- mycophenolate is converted to mycophenolic acid (MPA)–>inhibits inosine monophosphase dehydrogenase (which is required to synthesize purines)–>inhibits B and T cell proliferation
Mycophenolate–indications
- to prevent rejection of allogenic heart, liver, kidney
- administered with cyclosporine and glucocorticoids
Mycophenolate–SE
- GI distress: diarrhea, vomiting
- alopecia
- reduced fertility
- paresthesia
- anxiety
- dizziness
Mycophenolate–ADRxns
- bone marrow suppression–>severe neutropenia, thrombocytopenia
- sepsis: cytomegalovirus viremia
- pure red cell aplasia
- neoplasms
- infection
- progressive multifocal leukoencephalopathy (PML)
- GI bleed
Mycophenolate–Nursing Implications
- avoid during pregnancy
- do pregnancy test before medication administration
- women should use 2 reliable forms of contraception
- CBC should be done before administration
Interferon Beta 1A–Class
Immunomodulators–Multiple Sclerosis
Interferon Beta 1A–MOA
- inhibits migration of pro-inflammatory leukocytes across BBB, so prevents them from reaching CNS
- suppresses helper T cell activity
Interferon Beta 1A–Indications
- relapsing MS
- decreases freq of attacks, reduces size and number of MRI lesions, delays progression of disability
- secondary progressive MS
Interferon Beta 1A–SE
- flu like rxns–headache, fever, chills, malaise, muscle aches, stiffness
- will diminish
- minimized by: starting low dose and titrating up, giving analgesic/antipyretic med (NSAID)
- injection site rxns–pain, erythema, rash, itching
- can minimize by: rotating injection site, apply ice, apply warm compress
- help with itching with oral diphenhydramine or topical hydrocortisone
- depression
- neutralizing Abs
Interferon Beta 1A–ADRxns
- hepatoxicity
- myelosuppression–suppress bone marrow fcn–>dec production of all blood cell types
- drug interactions–w/ any drug that suppresses bone marrow or causes liver injury
Interferon Beta 1A–Nursing Implications
- obtain baseline liver fcn and CBC
- also check throughout therapy
- don’t use in those who abuse alcohol or have liver dz
- instruct pt to store drug in fridge, teach to self inject, advise them to rotate injection site
- if flu like rxn, pt can take analgesic-antipyretic med
- if injection rxn:
- can minimize by: rotating injection site, apply ice, apply warm compress
- help with itching with oral diphenhydramine or topical hydrocortisone
- don’t use hydrocortisone continuously b/c skin damage may occur
Cimetidine: ADRxns
- arrhythmias
- agranulocytosis
- aplastic anemia
Ranitidine: ADRxns
- arrhythmias
- agranulocytosis
- aplastic anemia
Famotidine: ADRxns
- arrhythmias
- agranulocytosis
- aplastic anemia
Misoprostol–Class
PG E1 analog, anti-ulcer drug
Misoprostol–MOA
- prevents NSAID induced ulcers by acting as a replacement for endogenous PG
- PGs protect stomach by suppressing secretion of gastric acids and promotes secretion of bicarbonate and protective mucous
Misoprostol–Indications
- prevention of gastric ulcers caused by long term therapy with NSAIDs
- w/ mifepristone, can induce medical termination of pregnancy
Misoprostol–SE
- dose related diarrhea
- abdominal pain
- spotting
- dysmenorrhea
Misoprostol–ADRxns
- miscarriage
Misoprostol–Nursing Implications
- women of child bearing age must:
- be able to comply with birth control
- be given oral/written warnings about the dangers
- have a negative serum pregnancy test result w/in 2 weeks before beginning therapy
- begin therapy only on 2nd or 3rd day of next normal menstrual cycle
Metoprolol–Class
2nd generation beta blockers
Metoprolol–MOA
- selective blockade of beta 1 receptors in the heart
- usually does not block beta 2
Metoprolol–Indications
- HTN
- angina pectoris
- heart failure
- MI
Metoprolol–SE
- fatigue
- weakness
- erectile dysfunction
Metoprolol–ADRxns
- bradycardia
- heart failure (if use incautiously)
- pulmonary edema
- reduced cardiac output
- AV heart block
- rebound cardiac excitement (w/ abrupt withdrawal)
Metoprolol–Nursing Implications
- contraindicated in those with sinus bradycardia, AV block greater than 1st degree
- use carefully in heart failure pts
- safer than propranolol in pts with asthma and severe allergic rxns b/c only minimally binds to beta 2
- safer in diabetics than propranolol
- but will mask common signs of hypoglycemia so need to watch for other signs like hunger, fatigue, and poor concentration
- do not stop abruptly
- pts should know about early signs of heart failure: shortness of breath, night coughs, swelling of extremities
Metoclopramide–Class
Prokinetic drugs: inc tone and motility of GI tract
Metoclopramide–Indications
- used for chemotherapy induced vomiting and chronic constipation
- NOT A LAXATIVE
- PO:
- diabetic gastroparesis
- suppression of GERD
- IV:
- suppression of post op nausea and vomiting
- suppression of CINV
- facilitation of small bowel intubation
- facilitation of radiologic exam of GI tract
Metoclopramide–SE
- diarrhea
- sedation
Metoclopramide–ADRxns
- tardive dyskinesia: repetitive involuntary movements of the arms, legs, facial muscles
- especially in older adults
- so tx should be as short as possible
Metoclopramide–Nursing Implications
- tx should be as short as possible to prevent tardive dyskinesia
- contraindicated in pts with GI obstruction, perforation, or hemorrhage
Magnesium Sulfate–Class
Tocolytic drug
Magnesium Sulfate–MOA
- inhibits release of acetylcholine at neuromuscular junction both in uterus and skeletal M
- smooth muscle relaxer
Magnesium Sulfate–Indication
- suppression of preterm labor by suppressing contractions
- prevention and tx of seizures associated with eclampsia and pre-eclampsia
Magnesium Sulfate–SE
- transient hypoTN
- flushing
- headache
- dizziness
- lethargy
- dry mouth
- feeling of warmth
Magnesium Sulfate–ADRxns
- hypothermia
- paralytic ileus
- pulmonary edema
- in infants:
- infant mortality: if used in high doses b/c drug readily crosses placenta
- hypotonia (muscle weakness)
- may last 3-4 days and may need mechanical ventilation during this time
- sleepiness
Magnesium Sulfate–Nursing Implications
- low dose may offer benefit of neuroprotection (from cerebral palsy)
- high dose can cause inc risk of infant mortality
- if get pulmonary edema, need to discontinue immediately and give diuretic to accelerate magnesium excretion
- contraindicated in pts with myasthenia gravis, renal failure, hypocalcemia
Acetaminophen–Class
analgesic, antipyretic
How is acetaminophen different from aspirin?
- acetaminophen is not an anti-inflammatory or anti-rheumatic
- could be b/c it only inhibits COX in CNS while aspirin does it in CNS and PNS
- does not suppress platelet aggregation, cause GI ulcers, or lead to renal impairment
Acetaminophen–indication
- fever
- mild to moderate pain
- in children with chickenpox/flu
Acetaminophen–MOA
- inhibit COX (but only in CNS)–>inhibit PG synthesis
Acetaminophen–SE
- HTN (if more than 500 mg/day)
- asthma
Acetaminophen–ADRs
- liver injury (if overdose)
- anaphylaxis
- Stevens Johnson Syndrome
- acute generalized exanthematous pustulosis (AGEP)
- toxic epidermal necrolysis
Acetaminophen–nursing implications
- if drink alcohol regularly, consume no more than 2000 mg/day (same for those with liver damage)
- should not drink 3+/day
- may inhibit warfarin metabolism–>inc risk of bleeding
- monitor if taking warfarin and more than 1 g of acetaminophen/day
- monitor BP
- inform pts about S/S of anaphylaxis: trouble breathing and swelling of face, mouth, throat
- consume no more than 4000 mg/day (total)
- if undernourished, consume no more than 3000 mg/day total
- antidote is acetylcysteine