Mosby's 2014 Nursing Drug Reference (278 page)

BOOK: Mosby's 2014 Nursing Drug Reference
10.48Mb size Format: txt, pdf, ePub

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

moxifloxacin (ophthalmic)

(mocks-ih-floks′a-sin)

Vigamox, Moxeza

Func. class.:
Ophthalmic anti-infective

Chem. class.:
Fluoroquinolone

Do not confuse:
ciprofloxacin
/gatifloxacin/levofloxacin

ACTION:

Inhibits DNA gyrase, thereby decreasing bacterial replication

USES:

Bacterial conjunctivitis (aerobic gram-positive/negative organisms),
Chlamydia trachomatis

CONTRAINDICATIONS:

Hypersensitivity to this product or fluoroquinolones

Precautions:
Pregnancy (C), breastfeeding

DOSAGE AND ROUTES
Calculator
Bacterial conjunctivitis

• Adult/adolescent/child

1 yr:
Ophthalmic SOL
1 drop in affected eye(s) bid (Moxeza) or tid (Vigamox) × 7 days

Available forms:
Ophthalmic solution 0.5%

Administer:
Ophthalmic route

• 
Commercially available ophthalmic solutions are not for injection subconjunctivally or into the anterior chamber of the eye

• 
Apply topically to the eye, taking care to avoid contamination

• 
Do not touch the tip of the dropper to the eye, fingertips, or other surface

• 
Apply pressure to lacrimal sac for 1 min after instillation

• 
Avoid wearing contact lenses during treatment

SIDE EFFECTS

EENT:
Hypersensitivity, pruritus, blurred vision, tearing

PHARMACOKINETICS

Half-life 13 hr

NURSING CONSIDERATIONS
Assess:

• 
Allergic reaction
: Assess for hypersensitivity, discontinue product

Evaluate:

• 
Decreased ophthalmic infection

Teach patient/family:
Ophthalmic route

• 
To apply topically to the eye, taking care to avoid contamination

• 
That product is for ophthalmic use only

• 
Not to touch the tip of the dropper to the eye, fingertips, or other surface

• 
To apply pressure to lacrimal sac for 1 min after installation

• 
To avoid wearing contact lenses during treatment

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

mupirocin (topical, nasal)

(myoo-pihr′oh-sin)

Bactroban, Centany

Func. class.:
Topical anti-infective

ACTION:

Antibacterial activity results from inhibition of protein synthesis; bacteriostatic

USES:

Impetigo, skin lesions
(Staphylococcus aureus/Streptococcus pyogenes);
nasal: methicillin-resistant
S. aureus

CONTRAINDICATIONS:

Hypersensitivity to this product

Precautions:
Open wounds, burns, severe kidney disease, children

DOSAGE AND ROUTES
Calculator
Impetigo

• Adult/child:
TOP
apply to affected area tid × 1-2 wk

Skin lesions

• Adult/child:
TOP
apply to affected area tid × 10 days

Methicillin-resistant
s. aureus
in the nose

• Adult/child ≥12 yr:
NASAL
divide ointment in single use tube in half; use in each nostril bid × 5 days

Available forms:
Topical cream, ointment 2%; intranasal ointment 2%

Administer:
Topical route

• 
Do not use skin products near the eyes, nose, or mouth

• 
Wash hands before and after use; wash affected area and gently pat dry

• 
May cover treated areas with gauze dressing

Cream/ointment

• 
Apply a thin film to the cleansed affected area; massage gently into affected areas

• 
Nasal:
Close nostrils by squeezing and releasing and gently massaging over 1 min

SIDE EFFECTS

CNS:
Headache

EENT:
Burning, rhinitis (nasal)

GI:
Taste change

INTEG:
Burning, rash, pruritus

INTERACTIONS

Decrease:
Effect of other nasal products

NURSING CONSIDERATIONS
Assess:

• 
Allergic reaction
: Assess for hypersensitivity, product may need to be discontinued

• 
Infection
: Assess for number of lesions, severity in impetigo, other skin disorders

Evaluate:

• 
Decreased lesions in impetigo, other skin disorders

Teach patient/family:
Topical route

• 
Not to use skin products near the eyes, nose, or mouth

• 
To wash hands before and after use and to wash affected area and gently pat dry

• 
Cream/Ointment:
To apply a thin film to the cleansed affected area; to cover treated areas with gauze dressing if desired

• 
Nasal:
To close nostrils by squeezing and releasing and gently massaging over 1 min

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

mycophenolate mofetil (Rx)

(mye-koe-phen′oh-late)

CellCept, Myfortic

Func. class.:
Immunosuppressant

ACTION:

Inhibits inflammatory responses that are mediated by the immune system

USES:

Prophylaxis for organ rejection in allogenic cardiac, hepatic, renal transplants

Unlabeled uses:
Refractory uveitis, second-line therapy for Churg-Strauss syndrome, diffuse proliferative lupus nephritis (in combination), rheumatoid arthritis, psoriasis, GVHD, kidney disease, myasthenia gravis, atopic dermatitis

CONTRAINDICATIONS:

Hypersensitivity to this product or mycophenolic acid

 

Black Box Warning:

Pregnancy (D)

Precautions:
Breastfeeding, lymphomas, neutropenia, renal disease, accidental exposure, anemia

 

Black Box Warning:

Infection, neoplastic disease

DOSAGE AND ROUTES
Calculator
Renal transplant to prevent organ rejection

• Adult:
PO
mycophenolate mofetil 1 g or 720 mg mycophenolate sodium; 1 g or 720 mg bid given to renal transplant patients in combination with corticosteroids, cycloSPORINE

• Child:
PO-ER
400 mg/m
2
bid, max 720 mg bid

Renal dose

• Adult:
PO/IV
GFR <25 ml/min, max 2 g/day

Cardiac transplant to prevent organ rejection

• Adult:
PO/IV
1.5 g bid,
IV
can be started ≤24 hr after transplant, switch to
PO
when able

Hepatic transplant to prevent organ rejection

• Adult:
PO
1.5 g bid;
IV
1 g over ≥2 hr

Refractory acute kidney transplant rejection (unlabeled)

• Adult:
PO
1.5 g (Mofetil) bid

Rheumatoid arthritis (unlabeled)

• Adult:
PO
250 mg-2 g/day (Mofetil)

GVHD (unlabeled)

• Adult:
PO
2 g/day (Mofetil) with cycloSPORINE and prednisoLONE

Diffuse proliferative lupus nephritis (unlabeled)

• Adult:
PO
1 g/day (Mofetil)

Uveitis (unlabeled)

• Adult:
PO
1 g (Mofetil) bid × 6-41 mo

Atopic dermatitis (unlabeled)

• Adult:
PO
1 g (Mofetil) bid × 4 wk, then 500 mg bid × 4 wk

• Adolescent/child ≥2 yr:
PO
30-50 mg/kg/day (Mofetil) in 2 divided doses

Available forms:
Caps 250 mg; tabs 500 mg; inj (powder) 500 mg/20-ml vial; powder for oral susp 200 mg/ml; ext rel tab (Myfortic) 180, 360 mg

Administer:

• 
May be given in combination with corticosteroids, cycloSPORINE

• 
Del rel tab, cap, oral susp, tab are not interchangeable

PO route

• 
Do not break, crush, or chew tabs; do not open caps

• 
Give at same time each day

• 
Avoid inhalation or direct contact with skin, mucous membranes; teratogenic in animals

• 
Oral susp:
tap closed bottle several times to loosen powder, use 94 ml of water in graduated cylinder, add 1/2 total amount of water for constitution and shake the closed bottle, add remaining
water and shake; again, remove child-resistant cap, push adapter into neck of bottle, close tightly

• 
Give alone for better absorption

Intermittent IV INF route

• 
Reconstitute each vial with 14 ml D
5
W, shake gently, further dilute to 6 mg/ml, dilute 1 g/140 ml D
5
W, 1.5 g/210 ml D
5
W; give by slow IV inf ≥2 hr, never give by bolus or rapid IV inj

• 
Do not give with other medications or sol

Y-site compatibilities:
Alemtuzumab, alfentanil, amikacin, anidulafungin, argatroban, bivalirudin, caspofungin, cefepime, DAPTOmycin, DOPamine, norepinephrine, octreotide, oxytocin, tacrolimus, tigecycline, tirofiban, vancomycin

SIDE EFFECTS

CNS:
Tremor, dizziness, insomnia, headache, fever
, anxiety, pain,
progressive multifocal leukoencephalopathy,
asthenia, paresthesia

CV:
Hypertension, chest pain
, hypotension, edema

GI:
Diarrhea, constipation, nausea, vomiting
, stomatitis,
GI bleeding,
abdominal pain, anorexia, dyspepsia

GU:
UTI, hematuria
,
renal tubular necrosis, polyomavirus-associated nephropathy

HEMA:
Leukopenia, thrombocytopenia, anemia, pancytopenia, pure red cell aplasia,
neutropenia

INTEG:
Rash

META:
Peripheral edema, hypercholesterolemia, hypophosphatemia, edema, hyperkalemia, hypokalemia, hyperglycemia
, hypocalcemia, hypomagnesemia

MS:
Arthralgia, muscle wasting, back pain, weakness

RESP:
Dyspnea, respiratory infection, increased cough, pharyngitis, bronchitis, pneumonia
,
plural effusion, pulmonary fibrosis

SYST:
Lymphoma,
nonmelanoma skin carcinoma
,
sepsis

PHARMACOKINETICS

Rapidly and completely absorbed; metabolized to active metabolite (MPA); excreted in urine, feces; protein binding (MPA) 97%; half-life (MPA) 17.9 hr

INTERACTIONS

Increase:
bone marrow suppression—azaTHIOprine

• 
Increased bleeding risk: anticoagulants, NSAIDs, thrombolytics, salicylates

Increase:
toxicity—acyclovir, ganciclovir, valacyclovir

Increase:
effects of phenytoin, theophylline

Increase:
mycophenolate levels—probenecid, immunosuppressives, salicylates

Decrease:
mycophenolate levels—antacids (magnesium, aluminum), cholestyramine, cycloSPORINE, rifamycin

Decrease:
protein binding of phenytoin, theophylline

Decrease:
effect of live attenuated vaccines, oral contraceptives

Drug/Herb

Interference with immunosuppression: astragalus, echinacea, melatonin

Drug/Food

Decrease:
absorption if taken with food

Drug/Lab Test

Increase:
serum creatitine, BUN

• 
Abnormal LFTs

NURSING CONSIDERATIONS
Assess:

 
Progressive multifocal leukoencephalopathy,
may be fatal; ataxia, confusion, apathy, hemiparesis, visual problems, weakness; side effects should be reported to FDA

• 
Blood studies: CBC during treatment monthly

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

• 
Renal studies: BUN, CCr, electrolytes

 

Black Box Warning:

Pregnancy test within 1 wk before initiation of treatment; confirm negative pregnancy test

Evaluate:

• 
Therapeutic response: absence of graft rejection

Teach patient/family:

• 
To report fever, rash, severe diarrhea, chills, sore throat, fatigue because serious infections may occur

• 
To reduce risk of infection by avoiding crowds

• 
About the need for repeated lab tests

 

Black Box Warning:

To use 2 forms of contraception before, during, and for 6 wk after therapy

• 
To take at same time each day

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

Other books

As the Crow Flies by Jeffrey Archer
Expecting Him by Corrine, Scarlet
Death and Taxes by Susan Dunlap
The Seventh Commandment by Lawrence Sanders
The Cottage at Glass Beach by Heather Barbieri
The Treasure by Iris Johansen