Mosby's 2014 Nursing Drug Reference (71 page)

BOOK: Mosby's 2014 Nursing Drug Reference
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Canada only   Side effects:
italics
= common;
bold
= life-threatening   
Nurse Alert

budesonide (Rx)

(byoo-des′oh-nide)

Entocort EC, Pulmicort, Pulmicort Flexhaler, Rhinocort Aqua

Func. class.:
Glucocorticoid

Chem. class.:
Nonhalogenated

ACTION:

Prevents inflammation by depressing migration of polymorphonuclear leukocytes and fibroblasts, reversal of increased capillary permeability, and lysosomal stabilization; does not suppress hypothalamus or pituitary function

USES:

Rhinitis; prophylaxis for asthma; Crohn’s disease

Unlabeled uses:
Microscopic colitis

CONTRAINDICATIONS:

Hypersensitivity, status asthmaticus

Precautions:
Pregnancy (C), inhaled form (B); breastfeeding; children; TB; fungal, bacterial, systemic viral infections; ocular herpes simplex; nasal septal ulcers; hepatic disease (caps)

DOSAGE AND ROUTES
Calculator
Rhinitis (Rhinocort Aqua)

• Adult and child >12 yr: SPRAY/INH
256 mcg/day (2 sprays in each nostril
AM, PM
or 4 sprays in each nostril
AM
)

Asthma

• Adult: INH
360 mcg bid, max 720 mcg bid

Crohn’s disease

• Adult: PO
9 mg/day
AM
× 8 wk

Available forms:
Dry powder for INH 90, 180, 200 mcg/actuation (Pulmicort Flexhaler); 32 mcg/actuation (Rhinocort Aqua) nasal spray; susp for INH 0.5 mg/2 ml, 0.25 mg/2 ml; cap 3 mg

Administer:
PO route (Crohn’s disease)

• 
Swallow caps whole; do not break, crush, chew

• 
May repeat 8-wk course if needed; may taper to 6 mg/day for 2 wk before cessation

SIDE EFFECTS

CNS:
Headache
, insomnia, hypertonia, syncope, dizziness, drowsiness

CV:
Chest pain, hypertension, sinus tachycardia, palpitation

EENT:
Sinusitis, pharyngitis
, rhinitis, oral candidiasis

ENDO:
Adrenal insufficiency, growth suppression in children

GI:
Dry mouth, dyspepsia, nausea, vomiting, abdominal pain

MISC:
Ecchymosis, fever,
hypersensitivity
, flulike symptoms, epistaxis, dysuria

MS:
Back pain, myalgias, fractures

RESP:
Nasal irritation, cough, nasal bleeding,
respiratory infections
,
bronchospasm

PHARMACOKINETICS

Peak:
Respules 4-6 wk, Rhinocort Aqua 2 wk, half-life 2-3.6 hr

Onset:
Respules 2-8 days, Rhinocort Aqua 10 hr

Enters breast milk

INTERACTIONS

Increase:
budesonide effect, CYP3A inhibitors, dose adjustment may be needed

• 
Avoid concurrent use of varicella live vaccine in pediatric patients

NURSING CONSIDERATIONS
Assess:

• 
Respiratory status: rate, rhythm, increase in bronchial secretions, wheezing, chest tightness; provide fluids to 2 L/day to decrease thickness of secretions; check for oral candidiasis

• 
Bronchospasm:
stop treatment, give bronchodilator

• 
Viral infections: corticosteroid use can mask infections

• 
Increased intraocular pressure: discontinue use if this occurs

Perform/provide:

• 
Storage at 59° F-86° F (15° C-30° C); keep away from heat, open flame

Evaluate:

• 
Therapeutic response: absence of asthma, rhinitis

Teach patient/family:

• 
To notify prescriber of pharyngitis, nasal bleeding, oral candidiasis

• 
Not to exceed recommended dose because adrenal suppression may occur

• 
To carry emergency ID that identifies steroid use

• 
To read and follow package directions

• 
To prevent exposure to infections (especially viral)

• 
To use good oral hygiene if using nebulizer or inhaler

• 
To avoid breastfeeding

• 
That burning or stinging may occur with first few doses of inhalation use

• 
That product is not a bronchodilator and not to be used for asthma; to use regularly

• 
Teach how to use as described in “administer”

• 
To notify prescriber if symptoms persist after wks, that results usually take 2 wk

• 
To notify prescriber if exposure to measles, chickenpox occurs

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

budesonide nasal agent

See
Appendix B

 

bumetanide (Rx)

(byoo-met′a-nide)

Func. class.:
Loop diuretic, antihypertensive

Chem. class.:
Sulfonamide derivative

ACTION:

Acts on ascending loop of Henle by inhibiting reabsorption of chloride, sodium

USES:

Edema in CHF, renal/hepatic disease, heart failure

Unlabeled uses:
Hypercalcemia, hypertension, ascites

CONTRAINDICATIONS:

Hypersensitivity to sulfonamides, anuria, hepatic coma

 

Black Box Warning:

Electrolyte imbalance

Precautions:
Pregnancy (C), breastfeeding, neonates, ascites, severe renal disease, hepatic cirrhosis, blood dyscrasias, ototoxicity, hyperuricemia, hypokalemia, hyperglycemia, oliguria, hypomagnesemia, hypovolemia

 

Black Box Warning:

Dehydration

DOSAGE AND ROUTES
Calculator

• Adult and adolescent: PO
0.5-2.0 mg/day; may give 2nd or 3rd dose at 4-5 hr intervals, max 10 mg/day; may be given on alternate days or intermittently;
IV/IM
0.5-1.0 mg; may give 2nd or 3rd dose at 2-3 hr intervals, not to exceed 10 mg/day

• Child and infant (unlabeled): PO/IM/IV
0.015-0.1 mg/kg daily or every other day, max 10 mg/day

Hypercalcemia (unlabeled)

• Adult: IV
1-2 mg q1-4hr to maintain urine output of 200-250 ml/hr; give saline before 1st dose of this product

Hypertension (unlabeled)

• Adult and adolescent: PO
0.5-2 mg/day, max 10 mg/day in 2 divided doses

Available forms:
Tabs 0.5, 1, 2 mg; inj 0.25 mg/ml

Administer:

• 
In
AM
to avoid interference with sleep if using product as a diuretic; without regard to meals

• 
Potassium replacement if potassium is <3.0

PO route

• 
With food if nausea occurs; absorption may be decreased slightly

IV, direct route

• 
Direct IV undiluted slowly over 1-2 min through
Y
-tube, 3-way stopcock, or heplock

Intermittent IV INF route

• 
Dilute in LR, D
5
W, 0.9% NaCl (rarely given by this method), give over 12 hr with renal disease

Syringe compatibilities:
Doxapram

Y-site compatibilities:
Acyclovir, alfentanil, allopurinol, amifostine, amikacin, aminocaproic acid, aminophylline, amiodarone, amoxicillin, amphotericin B lipid complex (Abelcet), amphotericin B liposome (AmBisome), anidulafungin, ascorbic acid injection, atenolol, atracurium, atropine, aztreonam, benztropine, bivalirudin, bleomycin, buprenorphine, butorphanol, calcium chloride/gluconate, CARBOplatin, caspofungin, cefamandole, ceFAZolin, cefepime, cefmetazole, cefonicid, cefoperazone, cefotaxime, cefoTEtan, cefOXitin, cefTAZidime, ceftizoxime, ceftobiprole, cefTRIAXone, cefuroxime, cephalothin, cephapirin, chloramphenicol, cimetidine, cisatracurium, CISplatin, cladribine, clarithromycin, clindamycin, codeine, cyanocobalamin, cyclophosphamide, cycloSPORINE, cytarabine, DACTINomycin, DAPTOmycin, dexamethasone, dexmedetomidine, digoxin, diltiazem, diphenhydrAMINE, DOBUTamine, DOCEtaxel, DOPamine, doripenem, doxacurium, DOXOrubicin, doxycycline, enalaprilat, ePHEDrine, EPINEPHrine, epirubicin, epoetin alfa, eptifibatide, ertapenem, erythromycin, esmolol, etoposide, famotidine, fentaNYL, filgrastim, fluconazole, fludarabine, fluorouracil, folic acid, furosemide, gatifloxacin, gemcitabine, gentamicin, glycopyrrolate, granisetron, heparin, hydrocortisone sodium succinate, HYDROmorphone, hydrOXYzine, IDArubicin, ifosfamide, imipenem-cilastatin, indomethacin, insulin (regular), irinotecan, isoproterenol, ketorolac, labetalol, levofloxacin, lidocaine, linezolid, LORazepam, magnesium sulfate, mannitol, mechlorethamine, melphalan, meperidine, metaraminol, methotrexate, methoxamine, methyldopate, methylPREDNISolone, metoclopramide, metoprolol, metroNIDAZOLE, mezlocillin, micafungin, miconazole, milrinone, mitoXANtrone, morphine, moxalactam, multiple vitamins injection, mycophenolate, nafcillin, nalbuphine, naloxone, netilmicin, nitroglycerin, nitroprusside, norepinephrine, octreotide, ondansetron, oxacillin, oxaliplatin, oxytocin, palonosetron, pamidronate, pan
curonium, pantoprazole, PEMEtrexed, penicillin G potassium/sodium, pentazocine, PENTobarbital, PHENobarbital, phenylephrine, phytonadione, piperacillin, piperacillin-tazobactam, polymyxin B, potassium chloride, procainamide, promethazine, propofol, propranolol, protamine, pyridoxine, quiNIDine, ranitidine, remifentanil, rifampin, ritodrine, riTUXimab, rocuronium, sodium acetate, sodium bicarbonate, succinylcholine, SUFentanil, tacrolimus, teniposide, theophylline, thiamine, thiotepa, ticarcillin, ticarcillin-clavulanate, tigecycline, tirofiban, TNA, tobramycin, tolazoline, TPN, traMADol, trastuzumab, trimetaphan, urokinase, vancomycin, vasopressin, vecuronium, verapamil, vinCRIStine, vinorelbine, voriconazole

SIDE EFFECTS

CNS:
Headache
, fatigue, weakness,
dizziness
, encephalopathy

CV:
Chest pain,
hypotension
,
circulatory collapse,
ECG changes, dehydration

EENT:
Loss of hearing

ELECT:
Hypokalemia, hypochloremic alkalosis, hypomagnesemia, hyperuricemia, hypocalcemia, hyponatremia

ENDO:
Hyperglycemia

GI:
Nausea
, diarrhea, dry mouth, vomiting, anorexia, cramps, upset stomach, abdominal pain,
acute pancreatitis, jaundice

GU:
Polyuria
,
renal failure,
glycosuria, premature ejaculation, hypercholesterolemia

HEMA:
Thrombocytopenia, leukopenia, granulocytopenia, hemoconcentration

INTEG:
Rash, pruritus
, purpura,
Stevens-Johnson syndrome,
sweating, photosensitivity

MS:
Muscular cramps, arthritis, stiffness

PHARMACOKINETICS

Excreted by kidneys (50% unchanged), feces (20%); crosses placenta; excreted in breast milk; protein binding >96%; half-life 1-11/2 hr, 6-15 hr in neonates

PO:
Onset 1/2-1 hr, peak 1-2 hr, duration 3-6 hr

IM:
Onset 40 min, peak 1-2 hr, duration 4-6 hr

IV:
Onset 5 min, peak 15-30 min, duration 3-6 hr

INTERACTIONS

• 
Ototoxicity: aminoglycosides

• 
Hypokalemia: potassium-wasting products

Increase:
toxicity—lithium, digoxin

Increase:
diuresis, electrolyte loss—metolazone

Decrease:
diuretic effect—indomethacin, NSAIDs, probenecid

Decrease:
antidiabetic effects—antidiabetics

Drug/Herb

Increase:
effect—hawthorn, horse chestnut

Decrease:
effect of bumetanide—ginseng, ephedra

NURSING CONSIDERATIONS
Assess:

• 
For tinnitus; obtain audiometric testing for long-term IV treatment

• 
Weight, I&O daily to determine fluid loss; if urinary output decreases or azotemia occurs, product should be discontinued; safest dosage schedule is alternate days

• 
B/P lying, standing; postural hypotension may occur

 

Black Box Warning:

Electrolyte imbalances:
Potassium, sodium, calcium; include BUN, blood glucose, CBC, serum creatinine, blood pH, ABGs, uric acid, calcium, magnesium; severe electrolyte imbalances should be corrected before starting treatment

• 
Blood glucose if patient is diabetic; blood uric acid levels in those with gout

• 
Improvement in edema of feet, legs, sacral area daily if medication is being used for CHF

• 
Signs of metabolic alkalosis: drowsiness, restlessness

• 
Hypokalemia:
postural hypotension, malaise, fatigue, tachycardia, leg cramps, weakness

• 
Rashes, temp elevation daily

• 
Confusion, especially in geriatric patients; take safety precautions if needed

• 
Digoxin toxicity
in patients taking digoxin products: anorexia, nausea, vomiting, confusion, paresthesia, muscle cramps;
lithium toxicity
in those taking lithium

Evaluate:

• 
Therapeutic response: decreased edema, B/P

Teach patient/family:

• 
To increase fluid intake to 2-3 L/day unless contraindicated; to take potassium supplement; to rise slowly from lying or sitting position

• 
To recognize adverse reactions: muscle cramps, weakness, nausea, dizziness

• 
To take with food, milk for GI symptoms; to avoid alcohol

• 
To take early in day to prevent nocturia

• 
To use sunscreen to prevent photosensitivity

TREATMENT OF OVERDOSE:

Lavage if taken orally; monitor electrolytes; administer dextrose in saline; monitor hydration, CV, renal status

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