Mosby's 2014 Nursing Drug Reference (163 page)

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

eszopiclone (Rx)

(es-zop′i-klone)

Lunesta

Func. class.:
Sedative/hypnotic, nonbenzodiazepine

Chem. class.:
Cyclopyrrolone

 

Controlled Substance Schedule IV
ACTION:

Interacts with GABA receptors

USES:

Insomnia

CONTRAINDICATIONS:

Hypersensitivity, ethanol intoxication

Precautions:
Pregnancy (C), breastfeeding, children, geriatric patients, severe hepatic disease, abrupt discontinuation, COPD, depression, labor, sleep apnea, substance abuse, suicidal ideation

DOSAGE AND ROUTES
Calculator

• Adult:
PO
2 mg immediately before bed, may increase to 3 mg if needed

Hepatic dose/CYP3A4 inhibitors

• Adult:
PO
1 mg immediately before bed with severe hepatic disease

Available forms:
Tabs 1, 2, 3 mg

Administer:

• 
Do not break, crush, or chew tab

• 
Immediately before bedtime; avoid use with food; for short-term use only

SIDE EFFECTS

CNS:
Worsening depression, hallucinations, headache, daytime drowsiness,
suicidal thoughts/actions,
migraine, restlessness, anxiety, sleep driving, sleepwalking

CV:
Peripheral edema, chest pain

GI:
Dry mouth, bitter taste (dysgeusia)

GU:
Gynecomastia, dysmenorrhea

INTEG:
Rash,
angioedema

PHARMACOKINETICS

Onset rapid; peak 1 hr; duration 6 hr; extensively metabolized in the liver by CYP3A4, CYP2E1; excreted via kidneys; half-life 6 hr, geriatric patients 9 hr, protein binding 52%-59%

INTERACTIONS

Increase:
CNS depression—CNS depressants

Increase:
toxicity due to decreased eszopiclone elimination—CYP3A4 inhibitors (clarithromycin, itraconazole, ketoconazole, nefazodone, nelfinavir, ritonavir, troleandomycin, SSRIs)

Drug/Food

Decrease:
product action—food

NURSING CONSIDERATIONS
Assess:

• 
Sleep pattern:
ability to go to sleep, stay asleep, early morning awakenings, conservative methods used

• 
For abuse of this product, other products

• 
Anaphylaxis, angioedema:
monitor during first dose

Perform/provide:

• 
Alternative methods to improve sleep: reading, quiet environment, warm bath, milk

• 
Assistance with ambulation, night light, call bell within reach

• 
Check to see that product swallowed

Evaluate:

• 
Therapeutic response: ability to fall asleep and stay asleep throughout the night

Teach patient/family:

• 
That daytime drowsiness may occur; not to engage in hazardous activities until effect is known; that memory problems may occur

• 
That all other medications and supplements should be avoided unless approved by prescriber; to avoid alcohol

• 
To notify prescriber if pregnancy is suspected or planned

• 
To avoid use after a high fat meal

• 
To swallow tab whole

• 
Not to stop drug abruptly, tolerance may occur

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

etanercept (Rx)

(eh-tan′er-sept)

Enbrel

Func. class.:
Antirheumatic agent (disease modifying)(DMARDs)

Chem. class.:
Anti-TNF agent

ACTION:

Binds tumor necrosis factor (TNF), which is involved in immune and inflammatory reactions

USES:

Acute, chronic rheumatoid arthritis that has not responded to other disease-modifying agents, polyarticular course of juvenile rheumatoid arthritis (JRA), ankylosing spondylitis, plaque psoriasis, psoriatic arthritis

Unlabeled uses:
Crohn’s disease; plaque psoriasis (child ≥4 yr)

CONTRAINDICATIONS:

Sepsis, active infections

 

Black Box Warning:

Hypersensitivity to product, latex needle cap, benzyl alcohol

Precautions:
Pregnancy (B), breastfeeding, children <4 yr, geriatric patients, malignancies, CHF, seizures, multiple sclerosis

 

Black Box Warning:

Infection, lymphoma, neoplastic disease

DOSAGE AND ROUTES
Calculator
Rheumatoid/psoriatic arthritis, ankylosing spondylitis

• Adult:
SUBCUT
50 mg/wk or 25 mg 2×/wk, 3-4 days apart

• Child 2-17 yr:
SUBCUT
0.8 mg/kg/wk, max 50 mg/wk

Plaque psoriasis

• Adult:
SUBCUT
50 mg 2×/wk × 3 mo

• Adolescent/child 4-17 yr (unlabeled):
SUBCUT
0.8 mg/kg/wk, max 50 mg/wk

Juvenile rheumatoid arthritis (JRA)

• Adolescent/child 2-17 yr:
SUBCUT
0.8 mg/kg/wk, max 50 mg/wk

Available forms:
Powder for inj 25 mg; inj 50 mg/ml; autoinjector, single use

Administer:

• 
After reconstituting 1 ml of supplied diluent, slowly inject diluent into vial, swirl contents; do not shake, sol should be clear/colorless, do not use if cloudy, discolored

• 
Do not admix with other sol or medications, do not use filter

• 
May be injected SUBCUT into upper arm, abdomen, thigh; rotate inj sites

SIDE EFFECTS

CNS:
Headache
, asthenia, dizziness

GI:
Abdominal pain, dyspepsia, vomiting

HEMA:
Pancytopenia, anemia, thrombocytopenia, leukopenia, neutropenia

INTEG:
Rash,
inj site reaction
, keratoderma blenorrhagicum

RESP:
Pharyngitis, cough, URI, non-URI
, sinusitis,
rhinitis

SYST:
Serious infections, sepsis, death, malignancies

PHARMACOKINETICS

Elimination half-life 102 hr, 60% absorbed (SUBCUT)

INTERACTIONS

• 
Increase:
neutropenia—sulfaSALAzine

• 
Do not give concurrently with vaccines; immunizations should be brought up to date before treatment

• 
Avoid use with anakinra, cyclophosphamide, rilonacept

NURSING CONSIDERATIONS
Assess:

• 
RA:
pain, stiffness, ROM, swelling of joints before, during, after treatment

• 
For inj site pain, swelling; usually occurs after 2 inj (4-5 days)

 

Black Box Warning:

Infection:
patients using immunosuppressives, corticosteroids, methotrexate at greater risk; assess for fever

• 
Hypersensitivity:
to this product, latex needle cap, benzyl alcohol; usual reactions to product last 3-5 days

Evaluate:

• 
Therapeutic response: decreased inflammation, pain in joints

Teach patient/family:

• 
That product must be continued for prescribed time to be effective

• 
To use caution when driving; dizziness may occur

• 
Not to receive live vaccinations during treatment

• 
About self-administration if appropriate: inj should be made in thigh, abdomen, upper arm; rotate sites at least 1 in from previous site

• 
To notify prescriber of possible infection (upper respiratory, other)

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

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