Mosby's 2014 Nursing Drug Reference (279 page)

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nabumetone (Rx)

(na-byoo′me-tone)

Func. class.:
Nonsteroidal antiinflammatory

Chem. class.:
Acetic acid derivative

ACTION:

Metabolite inhibits COX-1, COX-2 by blocking arachidonate; analgesic, antiinflammatory, antipyretic

USES:

Osteoarthritis, rheumatoid arthritis, acute or chronic treatment

CONTRAINDICATIONS:

Pregnancy (D) 3rd trimester; hypersensitivity to this product or aspirin, iodides, NSAIDs

 

Black Box Warning:

Perioperative pain with CABG surgery

Precautions:
Pregnancy (C), breastfeeding, children, geriatric patients, bleeding/GI/cardiac/renal disorders, hepatic dysfunction, asthma, bone marrow suppression, lupus (SLE), ulcerative colitis, blood dyscrasias

 

Black Box Warning:

MI, stroke, GI bleeding

DOSAGE AND ROUTES
Calculator

• Adult:
PO
1 g as single dose or divided bid; max 2 g/day if needed

Renal dose

• Adult:
PO
CCr 31-49 ml/min, 750 mg daily, max 1 g/day; CCr <30 ml/min 500 mg daily

Available forms:
Tabs 500, 750 mg

Administer:

• 
With food or antacids

SIDE EFFECTS

CNS:
Dizziness, headache, drowsiness, fatigue, tremors, confusion, insomnia, anxiety, depression, nervousness

EENT:
Tinnitus

CV:
Tachycardia, peripheral edema, palpitations, dysrhythmias,
CHF, MI, stroke

GI:
Nausea, anorexia, vomiting, diarrhea, jaundice,
cholestatic hepatitis,
constipation, flatulence, cramps, dry mouth, peptic ulcer, gastritis,
ulceration, perforation, bleeding

GU:
Nephrotoxicity, dysuria, hematuria, oliguria, azotemia,
cystitis

HEMA:
Blood dyscrasias

INTEG:
Purpura, rash, pruritus, sweating, photosensitivity

RESP:
Dyspnea, pharyngitis,
bronchospasm

SYST:
Anaphylaxis, angioneurotic edema

PHARMACOKINETICS

PO:
Peak 2½-4 hr; protein binding >99%; half-life 24 hr; metabolized in liver to active metabolite; excreted in urine (metabolites), breast milk

INTERACTIONS

Increase:
bleeding risk—anticoagulants, thrombolytics, valproic acid, cefamandole, cefoTEtan, cefoperazone, plicamycin, clopidogrel, eptifibatide, ticlopidine, SSRIs, SNRIs

Increase:
hematologic toxicity—antineoplastics, radiation

Increase:
GI reactions—salicylates, NSAIDs, alcohol, potassium, corticosteroids

Increase:
toxicity, effect of—lithium, methotrexate

Decrease:
effect of diuretics, antihypertensives

Drug/Lab Test

Increase:
bleeding time, potassium, BUN, AST, ALT, LDH, alk phos, creatinine

Decrease:
CCr, blood glucose, Hct, Hgb

NURSING CONSIDERATIONS
Assess:

 

Black Box Warning:

Cardiac status: CV thrombotic events, MI, stroke; may be fatal, not to be used in perioperative pain after CABG

 

Black Box Warning:

GI status: ulceration, bleeding, perforation; may be fatal

• 
Pain:
frequency, intensity, characteristics; relief of pain after taking product

• 
Asthma, aspirin sensitivity, or nasal polyps; increased hypersensitivity reactions

• 
Renal, hepatic studies: BUN, creatinine, AST, ALT, Hgb, LDH, blood glucose, WBC, platelets; CCr before treatment, periodically thereafter

• 
Audiometric, ophthalmic exam before, during, after treatment

• 
For eye, ear problems: blurred vision, tinnitus; may indicate toxicity

Perform/provide:

• 
Storage at room temp

Evaluate:

• 
Therapeutic response: decreased pain and stiffness in joints

Teach patient/family:

• 
To avoid alcoholic beverages and aspirin

 
To report blurred vision, ringing, roaring in ears; may indicate toxicity

• 
To avoid driving, other hazardous activities if dizziness, drowsiness occur

 
To report change in urine pattern, increased weight, edema, increased pain in joints, fever, blood in urine; indicates nephrotoxicity

• 
That therapeutic effects may take up to 1 mo

• 
To take with a full glass of water and food or antacids to enhance absorption; to sit upright for 30 min

• 
To report dark stools; may indicate GI bleeding

• 
To use sunscreen, wear protective clothing if in the sun

• 
To report use to all health care providers, to avoid all other products unless approved by prescriber

Canada only   Side effects:
italics
= common;
bold
= life-threatening   
Nurse Alert

nadolol (Rx)

(nay-doe′lole)

Corgard

Func. class.:
Antihypertensive, antianginal

Chem. class.:
β-Adrenergic receptor blocker

Do not confuse:
Corgard
/Cognex/Coreg
Nadolol
/Mandol

ACTION:

Long-acting, nonselective β-adrenergic receptor blocking agent, blocks β
1
in the heart and β
2
in the lungs, uterus, and circulatory system; mechanism is similar to that of propranolol

USES:

Chronic stable angina pectoris, mild to moderate hypertension

Unlabeled uses:
Tachydysrhythmias, anxiety, tremors, esophageal varices (rebleeding only), prophylaxis of migraine headaches, portal hypertension

CONTRAINDICATIONS:

Hypersensitivity to this product, cardiac failure, cardiogenic shock, 2nd/3rd degree heart block, bronchospastic disease, sinus bradycardia, CHF, COPD

Precautions:
Pregnancy (C), breastfeeding, diabetes mellitus, renal disease, hyperthyroidism, peripheral vascular disease, myasthenia gravis, major surgery, nonallergic bronchospasm

 

Black Box Warning:

Abrupt discontinuation

DOSAGE AND ROUTES
Calculator

• Adult:
PO
40 mg/day, increase by 40-80 mg q3-7days; maintenance 40-240 mg/day for angina, 40-320 mg/day for hypertension

• Geriatric:
PO
20 mg/day, may increase by 20 mg until desired dose

Renal dose

• Adult:
PO
CCr 31-50 ml/min, give q24-36hr; CCr 10-30 ml/min, give q24-48hr; CCr <10 ml/min, give q40-60hr

Migraine prevention (unlabeled)

• Adult:
PO
80-240 mg/day × 2-18 mo

Available forms:
Tabs 20, 40, 80 mg

Administer:

• 
With 8 oz water, check apical pulse prior to use, if <60 bpm, withhold; call prescriber

• 
Give without regard to food

SIDE EFFECTS

CNS:
Depression, dizziness,
fatigue
, lethargy, paresthesias, headache,
weakness
, insomnia, memory loss, nightmares

CV:
Bradycardia,
hypotension
,
CHF,
palpitations,
AV block,
chest pain, peripheral ischemia, flushing, edema, vasodilation, conduction disturbances

EENT:
Blurred vision, dry eyes, nasal congestion

ENDO:
Hyperglycemia, hypoglycemia

GI:
Nausea, vomiting, diarrhea, colitis, constipation, cramps, dry mouth, flatulence, hepatomegaly,
pancreatitis,
taste distortion

GU:
Impotence
, decreased libido

HEMA:
Agranulocytosis, thrombocytopenia

INTEG:
Rash, pruritus, fever, alopecia

RESP:
Dyspnea, respiratory dysfunction,
bronchospasm,
cough, wheezing,
pulmonary edema,
pharyngitis,
laryngospasm

PHARMACOKINETICS

PO:
Onset variable, peak 3-4 hr, duration 17-24 hr; half-life 20-24 hr; not metabolized; excreted in urine (unchanged), bile, breast milk; protein binding 30%

INTERACTIONS

• 
Do not use with MAOIs; bradycardia may occur

• 
Peripheral ischemia: ergots

Increase:
bradycardia—digoxin

Increase:
hypotension, bradycardia—cloNIDine, EPINEPHrine

Increase:
hypotensive effects—other hypotensive agents, phenothiazines

Decrease:
β-blocking effect—thyroid hormones

Decrease:
antihypertensive effect—NSAIDs

Drug/Lab Test

Increase:
serum potassium, serum uric acid, ALT, AST, alk phos, LDH, blood glucose, cholesterol, ANA, triglycerides

NURSING CONSIDERATIONS
Assess:

• 
B/P, pulse, respirations during beginning therapy; orthostatic hypotension may occur

• 
Weight daily; report gain of 5 lb

• 
I&O ratio, CCr if kidney damage diagnosed; crackles, jugular venous distention, fatigue, dyspnea

• 
Pain:
duration, time started, activity being performed, character

• 
Headache, lightheadedness, decreased B/P; may indicate a need for decreased dosage

 

Black Box Warning:

Abrupt discontinuation: can result in MI, myocardial ischemia, ventricular dysrhythmias, severe hypertension; withdraw slowly by tapering

Evaluate:

• 
Therapeutic response: decreased B/P, heart rate, symptoms of angina

Teach patient/family:

• 
That product may mask signs of hypoglycemia or alter blood glucose in diabetics

• 
To avoid OTC products unless prescriber approves

• 
To avoid hazardous activities if dizziness occurs

• 
Hypertension:
to comply with complete medical regimen; to report weight gain of >5 lb, swelling, unusual bruising, bleeding

• 
To rise slowly to prevent orthostatic hypotension

• 
About how and when to check B/P, pulse; to hold dose, contact prescriber if pulse ≤60 bpm, systolic B/P <90 mm Hg

 

Black Box Warning:

Not to discontinue abruptly, may cause life-threatening cardiac changes

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