Mosby's 2014 Nursing Drug Reference (432 page)

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

icosapent

(eye-koe′sa-pent)

Vascepa

Func. class.:
Antilipidemic

Chem. class.:
Omega-3 fatty acid ethylester

ACTION:

Inhibits hepatic very low density lipoprotein (VLDL) and triglyceride synthesis; enhances clearance of triglycerides from circulating VLDL particles

USES:

As adjunct to diet in adults with severe hypertriglyceridemia (≥500 mg/dl)

CONTRAINDICATIONS:

Hypersensitivity to icosapent ethyl

Precautions:
Hepatic disease, bleeding, breastfeeding, children, fish/shellfish hypersensitivity, thrombolytic/anticoagulation therapy, pregnancy C

DOSAGE AND ROUTES
Calculator

• Adult:
PO
2 g bid

Available forms:
Soft gel cap 1 g

Administer:

• 
Give with food, swallow whole

• 
Store at room temperature

SIDE EFFECTS

HEMA:
Ecchymosis, epistaxis

MS:
Arthralgia

PHARMACOKINETICS

Peak 5 hr, protein binding 99%, half-life 89 hr

INTERACTIONS

Increase:
effects of anticoagulants, platelet inhibitors, thrombolytics

Drug/Lab Test

Increase:
bleeding time

NURSING CONSIDERATIONS
Assess:
Hypertriglyceridemia:

• 
Obtain diet history including fat, cholesterol in diet; cholesterol, triglyceride levels periodically during treatment

Liver disease:

• 
Monitor LFTs baseline, periodically in those with liver disease

Bleeding:

• 
Monitor ecchymosis, epistaxis, bleeding time; use cautiously in anticoagulant/thrombolytic therapy

Fish/shellfish hypersensitivity:

• 
Identify fish hypersensitivity, use cautiously

Evaluate:

• 
Therapeutic response: decrease in triglycerides

Teach patient/family:

• 
That blood work may be necessary during treatment

• 
To report bleeding if anticoagulants or thrombolytics are used

• 
Not to break, crush, open, or dissolve caps

• 
That previously prescribed regimen will continue: low-cholesterol diet, exercise program, smoking cessation

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

RARELY USED
ivacaftor

(eye′va-kaf′tor)

Kalydeco

Func. class.:
Respiratory agent

USES:

Cystic fibrosis in those with G551D mutation in the
CFTR
gene

DOSAGE AND ROUTES
Calculator

• Adult/adolescent/child

6 yr:
PO
150 mg every 12 hr with fat-containing food

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

linaclotide

(lin′a-kloe′tide)

Linzess

Func. class.:
Functional GI disorder agent

Chem. class.:
Selective guanylate cyclase C agonist

ACTION:

Acts locally on the luminal surface of the intestinal epithelium; stimulates secretion of chloride and bicarbonate into the intestinal lumen; this action results in increased intestinal fluid and accelerated GI transit

USES:

Irritable bowel syndrome (IBS) with constipation, chronic constipation not associated with IBS

CONTRAINDICATIONS:

Hypersensitivity, urticaria, infection, sinusitis, GI obstruction

 

Black Box Warning:

Children <6 yr, infants, neonates

Precautions:
Pregnancy C, breastfeeding, diarrhea, abdominal pain, cholelithiasis, Crohn’s disease, diverticulitis, fecal impaction, gastric cancer, GI disease, IBS

DOSAGE AND ROUTES
Calculator
Constipation

• Adult:
PO
145 mcg/day on empty stomach,
AM

Irritable bowel syndrome

• Adult:
PO
290 mcg/day on empty stomach,
AM

Available forms:
Caps 145, 290 mcg

Administer:

• 
Give on empty stomach, ≥30 min before first meal of day, swallow whole

• 
Store at room temperature

SIDE EFFECTS

CNS:
Headache, fatigue

GI:
Nausea, abdominal pain, diarrhea, flatulence, fecal incontinence, vomiting, GERD,
GI bleeding

PHARMACOKINETICS

Minimally absorbed, metabolized within the GI tract

INTERACTIONS

Do not use with antidiarrheals

Decrease:
linaclotide effect—antimuscarinics

NURSING CONSIDERATIONS
Assess:

 

Black Box Warning:

Neonates/infants/children <6 yr: Can cause serious effects, including death

• 
GI symptoms: nausea, abdominal pain, evidence of mechanical GI obstruction; check for other sources of constipation, determine stool quality and frequency

Evaluate:

• 
Decreased constipation in IBS

Teach patient/family:

• 
To notify prescriber of GI symptoms, avoid antidiarrheals, if severe diarrhea occurs, stop product

• 
Do not crush, break, chew

• 
Pregnancy C: Avoid use in pregnancy, breastfeeding

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

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