Mosby's 2014 Nursing Drug Reference (337 page)

BOOK: Mosby's 2014 Nursing Drug Reference
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protamine (Rx)

(proe′ta-meen)

Func. class.:
Heparin antagonist

Chem. class.:
Low-molecular-weight protein

ACTION:

Binds heparin, thereby making it ineffective

USES:

Heparin, LMWH toxicity, hemorrhage

CONTRAINDICATIONS:

Hypersensitivity

Precautions:
Pregnancy (C), breastfeeding, fish allergy, diabetes, previous exposure to protamine, insulins, heparin rebound or bleeding

DOSAGE AND ROUTES
Calculator
Heparin overdose

• Adult and child:
IV
1 mg of protamine/100 units heparin given; administer slowly over 1-3 min; max 50 mg/10 min

Enoxaparin overdose

• Adult:
IV
1 mg protamine/1 mg enoxaparin

Dalteparin/tinzaparin overdose

• Adult:
IV
1 mg protamine/100 anti-Xa unit

Available forms:
Inj 10 mg/ml

Administer:
Direct IV route

• 
After reconstituting 50 mg/5 ml sterile bacteriostatic water for inj; shake, give ≤20 mg over 1-3 min

Y-site compatibilities:
Alfentanil, amikacin, aminophylline, ascorbic acid, atracurium, atropine, azaTHIOprine, aztreonam, benztropine, bumetanide, buprenorphine, butorphanol, calcium chloride/gluconate, cefTAZidime, chlorproMAZINE, cimetidine, clindamycin, cyanocobalamin, cycloSPORINE, digoxin, diphenhydrAMINE, DOBUTamine, DOPamine, doxycycline, enalaprilat, ePHEDrine, EPINEPHrine, epoetin alfa, erythromycin, esmolol, famotidine, fentaNYL, fluconazole, ganciclovir, gentamicin, glycopyrrolate, hydrOXYzine, imipenem-cilastatin, inamrinone, iohexol, iopamidol, iothalamate, isoproterenol, labetalol, lidocaine, magnesium, mannitol, meperidine, metaraminol, methoxamine, methyldopate, metoclopramide, metoprolol, miconazole, midazolam, minocycline, morphine, multiple vitamins, nalbuphine, naloxone, netilmicin, nitroglycerin, nitroprusside, norepinephrine, ondansetron, oxytocin, papaverine, pentazocine, phenylephrine, polymyxin B, potassium chloride, procainamide, prochlorperazine, promethazine, proprano
lol, pyridoxine, quiNIDine, ranitidine, Ringer’s, ritodrine, sodium bicarbonate, succinylcholine, SUFentanil, theophylline, thiamine, tobramycin, tolazoline, trimetaphan, urokinase, vancomycin, vasopressin, verapamil

SIDE EFFECTS

CNS:
Lassitude, flushing

CV:
Hypotension, bradycardia,
circulatory collapse,
capillary leak

GI:
Nausea, vomiting, anorexia

HEMA:
Bleeding

INTEG:
Rash
, dermatitis, urticaria

RESP:
Dyspnea,
pulmonary edema, severe respiratory distress,
bronchospasm

SYST:
Anaphylaxis, angioedema

PHARMACOKINETICS

IV:
Onset 5 min, duration 2 hr

NURSING CONSIDERATIONS
Assess:

 
Hypersensitivity:
urticaria, cough, wheezing, have emergency equipment nearby;
allergy to fish;
use with caution; men who have had vasectomies may be more prone to hypersensitivity

• 
Blood studies (Hct, platelets, occult blood in stools) q3mo

• 
Coagulation tests (aPTT, ACT) 15 min after dose then again after several hours

• 
VS, B/P, pulse after 30 min then 3 hr after dose

• 
Skin rash, urticaria, dermatitis

Perform/provide:

• 
Storage at 36° F-46° F (2° C-8° C)

Evaluate:

• 
Therapeutic response: reversal of heparin overdose

Teach patient/family:

• 
Not to take if allergic to fish

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

pseudoephedrine (
OTC
, Rx)

(soo-doh-eh-fed′rin)

Elix Sure Cold, Eltor
, Nasofed, Sudafed, Sudafed 24 Hour, Sudogest

Func. class.:
Adrenergic

Chem. class.:
Substituted phenylethylamine

ACTION:

Primary activity through α-effects on respiratory mucosal membranes reducing congestion hyperemia, edema; minimal bronchodilation secondary to β-effects

USES:

Nasal decongestant, adjunct for otitis media; with antihistamines

CONTRAINDICATIONS:

Hypersensitivity to sympathomimetics, closed-angle glaucoma

Precautions:
Pregnancy (C), breastfeeding, cardiac disorders, hyperthyroidism, diabetes mellitus, prostatic hypertrophy, hypertension

DOSAGE AND ROUTES
Calculator

• Adult and child
>
12 yr:
PO
60 mg q6hr;
EXT REL
120 mg q12hr or 240 mg q24hr

• Geriatric:
PO
30-60 mg q6hr prn

• Child 6-12 yr:
PO
30 mg q6hr, max 120 mg/day

• Child 2-6 yr:
PO
15 mg q6hr, max 60 mg/day

Available forms:
Ext rel caps 120, 240 mg; oral sol 15 mg, 30 mg/5 ml; drops 7.5 mg/0.8 ml; tabs 30, 60 mg; caps 60 mg; ext rel tabs 120, 240 mg

Administer:

• 
Avoid taking at or near bedtime; stimulation can occur

SIDE EFFECTS

CNS:
Tremors, anxiety
, stimulation, insomnia, headache, dizziness, hallucinations,
seizures
(geriatric patients)

CV:
Palpitations, tachycardia, hypertension, chest pain,
dysrhythmias, CV collapse

EENT:
Dry nose; irritation of nose and throat

GI:
Anorexia, nausea, vomiting
, dry mouth, ischemic colitis

GU:
Dysuria

PHARMACOKINETICS

PO:
Onset 15-30 min; duration 4-6 hr, 8-12 hr (ext rel); metabolized in liver; excreted in feces and breast milk; terminal half-life 9-16 hr

INTERACTIONS

 
Do not use with MAOIs or tricyclics; hypertensive crisis may occur

Increase:
effect of this product—urinary alkalizers, adrenergics, β-blockers, phenothiazines, tricyclics

Decrease:
effect of this product—urinary acidifiers

NURSING CONSIDERATIONS
Assess:

• 
Nasal congestion: auscultate lung sounds; check for tenacious bronchial secretions

• 
B/P, pulse throughout treatment

• 
CNS side effects in geriatric patients: excitation, seizures, hallucinations

Perform/provide:

• 
Storage at room temperature

Evaluate:

• 
Therapeutic response: decreased nasal congestion

Teach patient/family:

• 
About the reason for product administration

• 
Ext rel: do not divide, crush, chew, or dissolve

• 
Do not use within 14 days of MAOIs

• 
Not to use continuously or to take more than recommended dose because rebound congestion may occur

 
To notify prescriber immediately of anxiety; slow or fast heart rate; dyspnea; seizures

• 
To check with prescriber before using other products because product interactions may occur

• 
To avoid taking near bedtime because stimulation can occur

• 
Not to use if stimulation, restlessness, tremors occur

• 
That use in children may cause excessive agitation

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