Mosby's 2014 Nursing Drug Reference (408 page)

BOOK: Mosby's 2014 Nursing Drug Reference
4.8Mb size Format: txt, pdf, ePub

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

tretinoin topical

 

triamcinolone (Rx)

(trye-am-sin′oh-lone)

Aristospan, Kenalog-10, Tac-3, Triesence

Func. class.:
Corticosteroid, synthetic

Chem. class.:
Glucocorticoid, intermediate acting

See ophthalmic in
Appendix B

ACTION:

Decreases inflammation by suppression of migration of polymorphonuclear leukocytes, fibroblasts; reversal of increased capillary permeability and lysosomal stabilization

USES:

Severe inflammation, immunosuppression, neoplasms, asthma (steroid dependent); collagen, respiratory, dermatologic/rheumatic disorders

CONTRAINDICATIONS:

Hypersensitivity, neonatal prematurity; epidural/intrathecal administration (Triamcinolone acetonide injections [Kenalog])

Precautions:
Pregnancy (C), breastfeeding, diabetes mellitus, glaucoma, osteoporosis, seizure disorders, ulcerative colitis, CHF, myasthenia gravis, renal disease, esophagitis, peptic ulcer, acne, cataracts, coagulopathy, head trauma, children <2 yr, psychosis, idiopathic thrombocytopenia, acute glomerulonephritis, amebiasis, fungal infections, nonasthmatic bronchial disease, AIDS, TB, adrenal insufficiency, acute bronchospasm

DOSAGE AND ROUTES
Calculator

• Adult:
IM
(acetonide, diacetate) 40 mg/wk; (diacetate, acetonide) 5-48 mg into neoplasms; (diacetate, acetonide) 2-40 mg into joint or soft tissue; (hexacetonide) 0.5 mg/in
2
of affected intralesional skin; (hexacetonide) 2-20 mg into joint or soft tissue

Severe/incapacitating allergic conditions such as asthma

• Adult:
IM
(Trivaris) 60 mg, titrate, usual range 40-80 mg

• Child:
IM
(Trivaris) 0.11-1.6 mg/kg/day (3.2-48 mg/m
2
/day) in 3-4 divided doses

Available forms:
Inj 25, 40 mg/ml diacetate; inj 3, 10, 40 mg/ml acetonide; inj 20, 5 mg/ml hexacetonide

Administer:
IM route

• 
After shaking susp (parenteral)

• 
Titrated dose; use lowest effective dose

• 
IM inj deep in large muscle mass; rotate sites; avoid deltoid; use 21G needle

• 
In 1 dose in
AM
to prevent adrenal suppression; avoid SUBCUT administration, may damage tissue

SIDE EFFECTS

CNS:
Depression, flushing, sweating
, headache, mood changes

CV:
Hypertension
,
circulatory collapse, thrombophlebitis, embolism,
tachycardia, edema

EENT:
Fungal infections, increased intraocular pressure, blurred vision

GI:
Diarrhea, nausea, abdominal distention
,
GI hemorrhage,
increased appetite
,
pancreatitis

HEMA:
Thrombocytopenia

INTEG:
Acne, poor wound healing, ecchymosis, petechiae

MS:
Fractures, osteoporosis, weakness

PHARMACOKINETICS

PO/IM:
Peak 1-2 hr, half-life 2-5 hr

INTERACTIONS

Increase:
side effects—alcohol, salicylates, indomethacin, amphotericin B, digoxin, cycloSPORINE, diuretics

Increase:
action of triamcinolone—salicylates, estrogens, indomethacin, oral contraceptives, ketoconazole, macrolide antiinfectives

Decrease:
action of triamcinolone—cholestyramine, colestipol, barbiturates, rifampin, ePHEDrine, phenytoin, theophylline

Decrease:
effects of anticoagulants, anticonvulsants, antidiabetics, ambenonium, neostigmine, isoniazid, toxoids, vaccines, anticholinesterases, salicylates, somatrem

Drug/Herb

• 
Hypokalemia: aloe, cascara, senna

Drug/Lab Test

Increase:
cholesterol, sodium, blood glucose, uric acid, calcium, urine glucose

Decrease:
Ca, K, T
4
, T
3
, thyroid
131
I uptake test, urine 17-OHCS, 17-KS, PBI

False negative:
skin allergy tests

NURSING CONSIDERATIONS
Assess:

• 
Potassium, blood glucose, urine glucose while patient receiving long-term therapy; hypokalemia and hyperglycemia

• 
Weight daily; notify prescriber if weekly gain of >5 lb

• 
B/P, pulse; notify prescriber if chest pain occurs

• 
I&O ratio; be alert for decreasing urinary output, increasing edema

• 
Plasma cortisol levels during long-term therapy (normal level: 138-635 nmol/L SI units when drawn at 8
AM
)

• 
Infection:
increased temp, WBC even after withdrawal of medication; product masks infection

• 
Potassium depletion: paresthesias, fatigue, nausea, vomiting, depression, polyuria, dysrhythmias, weakness

• 
Edema, hypertension, cardiac symptoms

• 
Mental status: affect, mood, behavioral changes, aggression

Perform/provide:

• 
Assistance with ambulation for patient with bone-tissue disease to prevent fractures

• 
Use of spacer device for geriatric patients with inhaler

Evaluate:

• 
Therapeutic response: ease of respirations, decreased inflammation

Teach patient/family:

• 
That emergency ID as corticosteroid user should be carried

• 
To notify prescriber if therapeutic response decreases; that dosage adjustment may be needed

• 
To avoid OTC products: salicylates, alcohol in cough products, cold preparations unless directed by prescriber

• 
About cushingoid symptoms

• 
About the symptoms of adrenal insufficiency: nausea, anorexia, fatigue, dizziness, dyspnea, weakness, joint pain

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

triamcinolone nasal
agent

 

triamcinolone
ophthalmic

 

triamcinolone (topical)

(try-am-sin′oh-lone)

Kenalog, Triacet, Triderm

Func. class.:
Corticosteroid, topical

ACTION:

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

USES:

Inflammation/itching in corticosteroid-responsive dermatoses on the skin or inflammation in the mouth

CONTRAINDICATIONS:

Hypersensitivity, use on face, ear canal, infections

Precautions:
Pregnancy (C), breastfeeding, children

DOSAGE AND ROUTES
Calculator

• 
Apply to the affected areas bid-qid

Available forms:
Aerosol 0.2 mg; paste (dental) 0.1%; lotion, cream, ointment 0.025%; ointment 0.05%; lotion, cream, ointment 0.1%; ointment, cream 0.5%

Administer:
Topical route

• 
May be used with occlusive dressings

• 
Cream/Ointment/Lotion:
apply sparingly in a thin film and rub gently into the cleansed, slightly moist affected area

• 
Paste:
apply without rubbing, press into lesion until film develops

• 
Spray:
spray a small amount of preparation onto the lesion

SIDE EFFECTS

ENDO:
HPA axis suppression, Cushing syndrome

INTEG:
Burning, folliculitis, pruritus, dermatitis, maceration, hypopigmentation

META:
Hyperglycemia; glycosuria

PHARMACOKINETICS

Onset 8-12 hr

INTERACTIONS

Increase:
blood glucose

NURSING CONSIDERATIONS
Assess:

• 
Skin reactions: burning pruritus, folliculitis, mouth lesions

Evaluate:

• 
Decreasing itching, inflammation on the skin, decreasing mouth lesions

Teach patient/family:

• 
How to use each product

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

Other books

The Summer of Lost Wishes by Jessa Gabrielle
City of gods - Hellenica by Maas, Jonathan
Rebound by Noelle August
Princess Ahira by K.M. Shea
Best Friends Forever by Dawn Pendleton
Stiletto Safari by Metz, Kate
Trouble in the Trees by Yolanda Ridge
Extinction Game by Gary Gibson
The Changeling by Zilpha Keatley Snyder