Mosby's 2014 Nursing Drug Reference (123 page)

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

desonide topical

See
Appendix B

 

desoximetasone

(dess-ox′ee-met′ah-sone)

Topicort

Func. class.:
Corticosteroid, topical

ACTION:

Crosses cell membrane to attach to receptors to decrease inflammation, itching; inhibits multiple inflammatory cytokines

USES:

Inflammation/itching of corticosteroid-responsive dermatoses on the skin

CONTRAINDICATIONS:

Hypersensitivity, use of some preparations on face, axilla, groin, intertriginous areas; monotherapy in primary bacterial infection

Precautions:
Pregnancy (C), breastfeeding, children, skin infections

DOSAGE AND ROUTES
Calculator

Adult/child >10 yr:

• 
Apply to affected areas 2 times/day

Available forms:
Cream 0.05%, 0.25%; ointment 0.05%, 0.25%; gel 0.05%

Administer:
Topical route

 
Do not use with occlusive dressings

• 
Cream/ointment/lotion:
apply sparingly in a thin film and rub gently into the cleansed, affected area

• 
Gel:
apply sparingly in a thin film and rub gently into the cleansed, affected area

SIDE EFFECTS

INTEG:
Burning, folliculitis, pruritus, dermatitis, maceration

MISC:
Hyperglycemia, glycosuria, systemic absorption, HPA axis suppression,
Cushing syndrome

NURSING CONSIDERATIONS
Assess:

• 
Skin reactions: burning pruritus, folliculitis, dermatitis

Evaluate:

• 
Decreasing itching, inflammation on the skin

Teach patient/family:
Topical route

 
Not to use with occlusive dressings

• 
Cream/ointment/lotion:
apply sparingly in a thin film and rub gently into the cleansed, affected area

• 
Gel:
apply sparingly in a thin film and rub gently into the cleansed, affected area

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

desoxyephedrine nasal
agent

See
Appendix B

 

desvenlafaxine

Pristiq

Func. class.:
Antidepressant, serotonin-receptor norepinephrine reuptake inhibitor (SNRI)

ACTION:

May work by blocking the central presynaptic reuptake of 5-HT and NE, resulting in an increased sustained level of these neurotransmitters.

USES:

Major depressive disorder

Unlabeled uses:
Vasomotor symptoms (hot flashes) associated with menopause

CONTRAINDICATIONS:

Hypersensitivity
to this product or
venlafaxine, MAOI therapy

Precautions:
CNS depression, abrupt discontinuation, hypertension, hepatic/renal disease, hyponatremia, geriatric patients, pregnancy (C), labor and delivery, breastfeeding, angina, bleeding, cardiac dysrhythmias, MI, stroke, mania, hypovolemia, dehydration

 

Black Box Warning:

Children, suicidal ideation

DOSAGE AND ROUTES
Calculator


Adult: PO
Initially, 50 mg/day; max 400 mg/day with adjustments as needed

Renal dose


 
Adult: PO
CCr 30-50 ml/min 50 mg q day; CCr < 30 ml/min or end stage renal disease 50 mg q other day

Vasopastic effects of menopause (unlabeled)


Adult: PO
100-150 mg/day

Available forms:
Extended release tabs 50, 100 mg

Administer:

• 
Without regard to food, food may minimize GI symptoms

• 
Extended release tab: do not crush, break, or chew

• 
Store at room temperature

SIDE EFFECTS

CNS:
Dizziness
, drowsiness,
headache
, tremor, paresthesias, asthenia, worsening of depression,
suicidal thoughts/behaviors, seizures,
fatigue, chills, yawning, hot flashes, flushing,
irritability
,
insomnia
,
anxiety, abnormal dreams, fatigue

CV:
Palpitations, sinus tachycardia, increased blood pressure, orthostatic hypotension

EENT:
Blurred vision, mydriasis, tinnitus, bruxism

GI:
Nausea
, xerostomia,
diarrhea
, constipation, vomiting, anorexia, weight loss, dysgeusia, hypercholesterolemia, hypertriglyceridemia

GU:
Urinary retention/hesitancy, orgasm dysfunction, decreased libido, impotence, proteinuria

HEMA:
Impaired platelet aggregation

INTEG:
Photosensitivity, hyperhidrosis, diaphoresis, rash

SYST:
Serotonin syndrome, neuroleptic malignant syndrome–like symptoms, toxic epidermal necrolysis, Stevens-Johnson syndrome, erythema multiforme, angioedema; neonatal abstinence syndrome (fetal exposure)

PHARMACOKINETICS

Protein binding 30%, elimination half-life 11 hrs; elimination half-life is increased (hepatic/renal disease)

INTERACTIONS

Increase:
serotonin syndrome, neuroleptic malignant syndrome–like reactions—SSRIs, other SNRIs, serotonin receptor agonists (almotriptan, eletriptan, frovatriptan, naratriptan, rizatriptan, sumatriptan, zolmitriptan), TCAs, traZADone, sibutramine, SUMAtriptan, ergots, dexfenfluramine, fenfluramine, lithium, nefazodone, meperidine, phentermine, MAOIs, dextromethorphan, linezolid, promethazine, methylphenidate, dexmethylphenidate, mirtazapine, pentazocine, tryptophan; do not administer concurrently

Increase:
bleeding risk—salicylates, thrombolytics, NSAIDs, platelet inhibitors, anticoagulants

Increase:
CNS depression—alcohol, opioids, antihistamines, sedatives/hypnotics

Increase:
hallucinations, delusions, disorientation—zolpidem

Drug/Herb

Increase:
desvenlafaxine action—kava, valerian

Drug/Lab Test

Increase:
sodium, cholesterol, triglycerides

NURSING CONSIDERATIONS
Assess:

 

Black Box Warning:

Suicidal thoughts/behaviors: mental status and mood, identify suicidal ideation


 
Serotonin syndrome, neuroleptic malignant syndrome–like symptoms:
assess for nausea/vomiting, sedation, dizziness, diaphoresis (sweating), facial flush, hallucinations, mental status changes, myoclonia, restlessness, shivering, elevated blood pressure, hyperthermia, muscle rigidity, autonomic instability, mental status changes; if serotonin syndrome occurs discontinue desvenlafaxine, and any other serotonergic agents

• 
Monitor B/P baseline and periodically during treatment

• 
Appetite and nutritional intake, weight loss is common, change diet as need to support weight

Evaluate:

• 
Decreased depression; increased sense of well-being, renewed interest in activities

Teach patient/family:

• 
To take as directed, not to double or skip doses; if a dose is missed, take as soon as remembered unless close to next dose; do not discontinue abruptly, decreased gradually

 

Black Box Warning:

To report immediately suicidal thoughts/behaviors, have family members look for symptoms of suicidal ideation

• 
Not to operate machinery or engage in hazardous activities until reaction is known, may cause dizziness, drowsiness

• 
To avoid all other products unless approval by prescriber

• 
To report if pregnancy is planned or suspected (pregnancy category C) or if breastfeeding


 
To report immediately allergic reactions, including rash, hives, difficulty breathing, or swelling of face, lips

• 
That continuing follow-up exams will be needed

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