Mosby's 2014 Nursing Drug Reference (250 page)

BOOK: Mosby's 2014 Nursing Drug Reference
6.75Mb size Format: txt, pdf, ePub

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

lurasidone (Rx)

(loo-ras′i-done)

Latuda

Func. class.:
Atypical antipsychotic

Chem. class.:
Benzoisothiazol derivative

ACTION:

May modulate central dopaminergic and serotonergic activity; high affinity for dopamine-D2 receptors, serotonin 5-HT2A receptors; partial agonist at serotonin 5-HT1A receptor

USES:

Schizophrenia

CONTRAINDICATIONS:

Hypersensitivity

Precautions:
Pregnancy (B), breastfeeding, children, geriatric patients, abrupt discontinuation, ambient temperature increase, breast cancer, cardiac disease, dehydration, diabetes, ketoacidosis, driving, operating machinery, dysphagia, heart failure, hematologic/hepatic/renal disease, hypotension, hypovolemia, MI, infertility, obesity, Parkinson’s disease, seizures, strenuous exercise, stroke, substance abuse, suicidal ideation, syncope, tardive dyskinesia

 

Black Box Warning:

Dementia: antipsychotics (e.g., as lurasidone) not approved for treatment of dementia-related psychosis in geriatric patients; may increase risk of death in this population

DOSAGE AND ROUTES
Calculator

• Adult:
PO
40 mg/day, range 40-160 mg/day; for those receiving CYP3A4 inhibitors (max 80 mg/day), do not use with strong CYP3A4 inducers/inhibitors

Hepatic/renal dose

• Adult:
PO
Child-Pugh class B/C; CCr ≥10 ml/min, ≤50 ml/min, max 40 mg/day

Available forms:
Tabs 40, 80 mg

Administer:

• 
Give with meal of ≥350 calories

SIDE EFFECTS

CNS:
Agitation, akathisia, anxiety, dizziness, drowsiness, fatigue, hyperthermia, insomnia, dystonic reactions;
neuroleptic malignant syndrome (rare),
pseudoparkinsonism, restlessness,
seizures, suicidal ideation,
syncope, tardive dyskinesia, vertigo

CV:
Angina,
AV block, bradycardia,
hypertension, orthostatic hypotension,
sinus tachycardia, stroke

EENT:
Blurred vision

ENDO:
Diabetes mellitus, ketoacidosis, hyperglycemia, hyperprolactinemia

GI:
Abdominal pain, diarrhea, dyspepsia, nausea, vomiting, gastritis, weight gain/loss

GU:
Amenorrhea, breast enlargement, dysmenorrhea, impotence, dysuria, renal failure

HEMA:
Agranulocytosis, anemia, leucopenia, neutropenia

INTEG:
Pruritus, rash

MS:
Back pain, dysarthria;
rhabdomyolysis (rare)

SYST:
Angioedema

PHARMACOKINETICS

99% protein binding; excreted 80% in feces, 9% in urine; elimination half-life 18 hr; 9-19% absorbed; peak 1-3 hr, steady state 7 days

INTERACTIONS

Increase:
lurasidone effect—strong CYP3A4 inhibitors; do not use concurrently

Increase:
serotonin syndrome, neuroleptic malignant syndrome—SSRIs, SNRIs

Increase:
sedation—other CNS depressants, alcohol

NURSING CONSIDERATIONS
Assess:

• 
Schizophrenia:
hallucinations, delusions, agitation, social withdrawal; monitor orientation, behavior, mood prior to and periodically during therapy

• 
Neuroleptic malignant syndrome (rare):
fever, dyspnea, tachycardia, seizures, sweating, hypo/hypertension, muscle stiffness, pallor; report immediately

• 
Blood dyscrasias:
CBC periodically; blood dyscrasias may occur

• 
Serious cardiac symptoms:
AV block, stroke, bradycardia may occur

• 
EPS:
restlessness, difficulty speaking, loss of balance, pill rolling, masklike face, shuffling gait, rigidity, tremors, muscle spasms; monitor before and periodically during therapy; report tardive dyskinesia immediately

 

Black Box Warning:

Dementia:
this product is not approved for geriatric patients with dementia-related psychosis

• 
Weight gain, hyperglycemia, metabolic changes in diabetes

Perform/provide:

• 
Storage at room temp, protection from moisture

Evaluate:

• 
Therapeutic response: decreasing hallucinations, delusions, agitation, social withdrawal

Teach patient/family:

• 
About reason for treatment, expected results

• 
That lab work will be needed regularly

• 
To avoid hazardous activities until response is known

• 
To avoid OTC products unless approved by prescriber

• 
To report fast heartbeat, extra beats

• 
To report EPS symptoms, blood dyscrasias: sore throat, fever, unusual bleeding/bruising

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

lymphocyte immune
globulin (anti-thymocyte, equine) (Rx)

Atgam

Func. class.:
Immune globulins—immunosuppressant

ACTION:

Produces immunosuppression by inhibiting the function of lymphocytes (T)

USES:

Renal organ transplants to prevent rejection, aplastic anemia

Unlabeled uses:
Immunosuppressant in liver, bone marrow, heart, and other organ transplants; stem-cell transplant preparations

CONTRAINDICATIONS:

Hypersensitivity to this product or equine/leporine protein; acute viral illness

Precautions:
Pregnancy (C), breastfeeding, children, severe renal/hepatic disease, leukopenia, thrombocytopenia

 

Black Box Warning:

Infection, neoplastic disease

DOSAGE AND ROUTES
Calculator
Renal allograft rejection

• Adult/child:
IV
10-15 mg/kg/day × 14 days then every other day for 14 days if needed up to 21 total

Prevent renal allograft rejection

• Adult:
IV
15 mg/kg/day × 7-14 days then every other day × 14 days for total of 21 doses in 28 days

Aplastic anemia

• Adult:
IV
10-20 mg/kg/day × 8-14 days then every other day for ≤21 total doses

Available forms:
Inj 50 mg equine gamma globulin/ml

Administer:

• 
Do not infuse <4 hr; usually given over 4-8 hr

• 
Use 0.2-1 micron in-line filter

• 
Skin testing must be completed before treatment; use intradermal inj of 0.1 ml of a 1:1000 dilution (5 mcg horse IgG) in 0.9% NaCl; if wheal or rash >10 mm or both, use caution during inf

• 
Dilute in saline sol before inf; invert IV bag so undiluted product does not contact air inside; conc should not be >1 mg/ml; do not shake

• 
Keep emergency equipment nearby for severe allergic reaction

SIDE EFFECTS
Renal transplant

CNS:
Fever, chills, headache, dizziness, weakness, faintness,
seizures

CV:
Chest pain, hypo/hypertension, tachycardia

GI:
Diarrhea, nausea, vomiting, epigastric pain,
GI bleeding

INTEG:
Rash, pruritus, urticaria, wheal

SYST:
Anaphylaxis

Aplastic anemia

CNS:
Fever, chills, headache,
seizures,
lightheadedness, encephalitis, postviral encephalopathy

CV:
Bradycardia, myocarditis, irregularity

GI:
Nausea, LFTs abnormality

HEMA:
Thrombocytopenia, leukopenia

MS:
Backache

RESP:
Dyspnea, pulmonary edema

PHARMACOKINETICS

Onset rapid, half-life 5-7 days

NURSING CONSIDERATIONS
Assess:

• 
Infection:
if infection occurs, evaluation will be needed to continue therapy

• 
Renal studies: BUN, creatinine at least monthly during treatment, for 3 mo after treatment

• 
Hepatic studies: alk phos, AST, ALT, bilirubin

• 
CBC with differential

Evaluate:

• 
Therapeutic response: absence of rejection; hematologic recovery (aplastic anemia)

Teach patient/family:

• 
To report fever, chills, sore throat, fatigue, since serious infections may occur

• 
To use contraceptive measures during treatment, for 12 wk after therapy

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

Other books

Excess All Areas by Mandy Baggot
1989 by Peter Millar
The Children’s Home by Charles Lambert
His Captive Lady by Carol Townend
Beating Heart Cadavers by Laura Giebfried
The Bird’s Nest by Shirley Jackson
XO by Jeffery Deaver