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Antibiotics 2 Flashcards

1
Q

Doxycycline

A

Vibramycin, Doxy 100

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2
Q

Minocycline

A

Minocin

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3
Q

Amoxicillin

A

Amoxil, Moxatag

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4
Q

Amoxicillin/Clavulanate

A

Augmentin

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5
Q

Penicillin

A

(No brand name listed)

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6
Q

Cephalexin

A

Keflex, Daxbia

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7
Q

Cefuroxime

A

Ceftin, Zinacef

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8
Q

Cefdinir

A

Omnicef

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9
Q

Chlorhexidine

A

Peridex, Paroex, Hibiclens, Periogard

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10
Q

Doxycycline - Therapeutic Class

A

Tetracycline Antibiotic

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11
Q

Minocycline - Therapeutic Class

A

Tetracycline Antibiotic

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12
Q

Amoxicillin - Therapeutic Class

A

Beta-Lactam Antibiotic

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13
Q

Amoxicillin/Clavulanate - Therapeutic Class

A

Beta-Lactam Antibiotic

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14
Q

Penicillin - Therapeutic Class

A

Beta-Lactam Antibiotic

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15
Q

Cephalexin - Therapeutic Class

A

First-Generation Cephalosporin

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16
Q

Cefuroxime - Therapeutic CLass

A

Second-Generation Cephalosporin

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17
Q

Cefdinir - Therapeutic Class

A

Third-Generation Cephalosporin

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18
Q

Doxycycline - Dosage Forms

A 
IR Tablet: 20, 50, 75, 100, 150 mg
DR Tablet: 50, 75, 100, 150, 200 mg
IR Capsule: 50, 75, 100, 150 mg
DR Capsule: 40 mg
Oral Suspension: 25 mg/5 mL
Oral Syrup: 50 mg/5 mL
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19
Q

Minocycline - Dosage Forms

A

IR Tablet: 50, 75, 100 mg
ER Tablet: 45, 55, 65, 80, 90, 105, 115, 135 mg
IR Capsule: 50, 75, 100 mg
DR Capsule: 45, 90, 135 mg

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20
Q

Amoxicillin - Dosage Forms

A 
IR Tablet: 500, 875 mg
ER Tablet: 775 mg
Chewable Tablet: 125, 250 mg
Capsule: 250, 500 mg
Oral Suspension: 125 mg/5 mL
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21
Q

Amoxicillin/Clavulanate - Dosage Forms

A

IR Tablet: 250/125, 500/125, 875/125
ER Tablet: 1000/62.5
Chewable Tablet: 200/28.5, 400/57
Oral Suspension (per 5 mL): 125/31.25, 200/28.5, 250/62.5, 400/57, 600/42.9

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22
Q

Penicillin - Dosage Forms

A

Tablet: 250, 500 mg

Oral Solution: 125 mg/5 mL, 250 mg/5 mL

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23
Q

Cephalexin - Dosage Forms

A

Tablet: 250, 500 mg
Capsule: 250, 500, 750 mg
Powder for Oral Suspension: 125/5, 250/5

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24
Q

Cefuroxime - Dosage Forms

A

Tablet: 125, 250, 500 mg

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25
Q

Cefdinir - Dosage Forms

A

Capsule: 300 mg

Powder for Oral Suspension: 125/5, 250/5

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26
Q

Chlorhexidine - Dosage FOrms

A

Liquid Oral Rinse: 0.12%
Topical Solution: 2%, 4%
Periodontal Chip: 2.5 mg

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27
Q

Doxycycline - MOA

A

Broad-spectrum bacteriostatic compound that inhibits protein synthesis at the 30S ribosomal unit

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28
Q

Doxycycline - Activity

A

Gram (+)
Gram (-)
Aerobic and anaerobic bacteria
Spirochetes, mycoplasmas, rickettsiae, chlamydiae, and some protozoa

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29
Q

Doxycycline - FDA-Approved Indications (Children < 8 years and < 45 kg)

A

For all three: 2.2-4.4 mg/kg PO in 1-2 divided doses

  1. Acinetobacter infection
  2. Acne vulgaris
  3. Staphylococcal infection of skin
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30
Q

Doxycycline - FDA-Approved Indications (Adults and Children > 8 years and > 45 kg)

A
  1. Acinetobacter infection: 100 mg PO q12h, then 100 mg QD
  2. Acne vulgaris: 100 mg PO q12h on day 1, then 100 mg QD or BID
  3. Gonorrhea, uncomplicated: 100 mg PO BID x 7 days or 300 mg single dose followed in 1 hour by another 300 mg dose
  4. Staphylococcal infection of skin: 100 mg PO q12h on day 1, then 100 mg QD
  5. Pneumonia, community-acquired, empiric therapy: 100 mg PO BID
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31
Q

Doxycycline - Off-Label Uses (Adults and Children >8 years and >45 kg)

A
  1. Lyme disease, ppx: 200 mg PO once
  2. Prosthetic joint infection: 100 mg PO BID in combo w/ rifampin for a minimum of 3 months
  3. Otitis media, acute: 100 mg PO q12h x 5-7 days
  4. Cellulitis, mild to moderate: 100 mg PO BID x 5-14 days
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32
Q

Minocycline - MOA

A

Broad-spectrum bacteriostatic compound that inhibits protein synthesis at the 30S ribosomal unit

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33
Q

Minocycline - Activity

A

Gram (+)
Gram (-)
Aerobic and anaerobic bacteria
Spirochetes, mycoplasmas, rickettsiae, chlamydiae, and some protozoa

Many bacteria have developed plasmid-mediated resistance

Most Enterobacteriaceae and P. aeruginosa are resistant

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34
Q

Minocycline - FDA-Approved Indications

A
  1. Acne vulgaris: Initiate with single 200 mg loading dose, then 100 mg BID (IR); 1 mg/kg/day PO QD for 12 weeks (ER)
  2. Allergy to penicillin - bacterial infectious disease: initial 200 mg PO, followed by 100 mg PO q12h (adults); 4 mg/kg PO followed by 2 mg/kg/dose q12h (Children >8 years - MDD = 200 mg)

Duration of therapy depends on indication

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35
Q

Amoxicillin - MOA

A

Semisynthetic penicillin derivative that inhibits the biosynthesis of bacterial cell wall mucopeptide

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36
Q

Amoxicillin - Activity

A

Streptococcus, Enterococcus, Staphylococcus, Enterobacteriaceae

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37
Q

Amoxicillin - FDA-Approved Indications

A
  1. Acute otitis media: 500 mg q8h or 875 mg q12h for 10 days (adults); 80-90 mg/kg/d in 2-3 divided doses (children)
  2. Lower respiratory tract infection: 1 g TID x 10 days (adults); 45 mg/kg/d divided q12h (children)
  3. Pharyngitis, tonsilitis: 775 mg QD x 10 days (adults and children >12 years)
  4. Streptococcal pharyngitis: 500 mg BID or 1 g QD x 10 days (adults); 50 mg/kg QD x 10 days (children - MDD = 1 g)
  5. Ear, nose, and throat infection, infection of skin and/or subcutaneous tissue, infection of genitourinary system: 500 mg q8h or 875 mg q12 x 5-10 days (adults); 25-45 mg/kg/d divided q12h (children)
  6. H. pylori GI tract infection: 1 g BID w/ PPI
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38
Q

Amoxicillin - Off-Label Uses

A
  1. Bacterial endocarditis, prophylaxis: 2 g PO 1 hour before procedure (adults); 50 mg/kg 1 hour before procedure [MDD = 2 g]
  2. Lyme disease: 500 mg TID x 14-28 days (adults); 50 mg/kg/d in 3 divided doses x 21-30 days (children)
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39
Q

Amoxicillin/Clavulanate - MOA

A

Amoxicillin is a semisynthetic penicillin derivative. Amoxicillin is not effective against beta-lactamase-producing bacteria

Clavulanate, a beta-lactamase inhibitor, has weak antibacterial activity but is a potent inhibitor of plasmid-mediated beta-lactamases and protects amoxicillin from degradation by beta-lactamases

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40
Q

Amoxicillin/Clavulanate - Activity

A

Typically active against Streptococcus, Enterococcus, Staphylococcus, and Enterobacteriaceae

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41
Q

Amoxicillin/Clavulanate - FDA-Approved Indications

A
  1. Acute otitis media: 500-875 mg q12h x 10 days (adults); 80-90 mg/kg/d in 2-3 divided doses (children)
  2. Community-acquired pneumonia: 2000 mg ER BID or 500 mg TID or 875 BID x 5 days (adults)
  3. Lower respiratory tract infection: 1000 mg TID x 10 days (adults); 45 mg/kg/d divided q12h (children)
  4. Sinusitis, infection of skin or subcutaneous tissue, infectious disease of genitourinary system: 500-875 mg q8-12h or 2000 mg ER q12h x 5-7 days (adults); 25-45 mg/kg/d divided q12h
  5. UTI, acute cystitis: 500 mg BID x 5-7 days
  6. UTI, pyelonephritis: 875 mg BID 10-14 days
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42
Q

Amoxicillin/Clavulanate - Off-Label Uses

A
  1. Streptococcal pharyngitis: 875 mg q12h or 500 mg q8h (adults); 45 mg/kg/d divided q12h
  2. Bite wound prophylaxis and treatment: 875 mg q12h x 3-5 days (prophylaxis); or 5-14 days (treatment)
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43
Q

Penicillin - MOA

A

Interfere with late stages of bacterial cell wall synthesis

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44
Q

Penicillin - Activity

A

Active against most Gram (+) organisms and some Gram (-) organisms, notably Neisseria spp.

Resistance is caused by bacterial production of beta-lactamases; some organisms have altered penicillin-binding protein targets (e.g., Enterococci spp. and S. pneumoniae); others have impermeable outer cell wall layers

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45
Q

Penicillin - FDA-Approved Indications

A
  1. Bacterial endocarditis, prophylaxis with congenital heart disease or rheumatic/acquired valvular heart disease: 2 g PO 1 h prior to procedure and then 1 g PO 6 h later (adults); 1 g PO 1 h prior to procedure then 500 mg PO 6 h later (children <60 lb)
  2. Otitis media, mild-moderate, pneumococcal: 250-500 mg q6h until afebrile for at least 2 days (adults); 25-50 mg/kg/d in 3-4 divided doses (children < 12 years; MDD 3 g)
  3. Streptococcal pharyngitis: 500 mg BID x 10 days (adults); 250 mg BID x 10 days (children <60 lb)
  4. Erysipelas, mild infection or step-down therapy: 500 mg q6h x 5-10 days
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46
Q

Penicillin - Off-Label Uses

A
  1. Pneumococcal infectious disease, prophylaxis in patients with sickle cell disease or asplenia
    Children 2 months - 5 years of age: 125 mg PO BID
    Children >5 years of age: 250 mg PO BID; discontinue at age 5 y for children who received pneumococcal vaccination and who have not experienced invasive pneumococcal disease
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47
Q

Cephalexin - MOA

A

1st-generation cephalosporin that inhibits bacterial cell wall synthesis of actively dividing cells by binding to at least 1 penicillin-binding protein (PBP)

48
Q

Cephalexin - Activity

A

Most Gram (+) bacteria including non-penicillinase and penicillinase-producing staphylococci and streptococci

Gram (-) bacteria activity is less than that observed with the 2nd and 3rd generation cephalosporins and is primarily restricted to E. coli, Klebsiella, and Proteus mirabilis

49
Q

Cephalexin - FDA-Approved Indications

A
  1. Infection of skin and/or subcutaneous tissue:
    Adults - 500 mg po q12h
    Children - 25-50 mg/kg/d po divided q6h to q12h
  2. Osteomyelitis:
    Adults - 250 mg-1 g po q6h
    Children - 25-100 mg/kg/d po divided q6h
  3. Otitis media, respiratory tract infection, UTI:
    Adults - 250 mg-1 g po q6h
    Children - 25-100 mg/kg/d divided q6h
  4. Streptococcal pharyngitis:
    Adults - 500 mg po q12h x 10 days
    Children - 25-50 mg/kg/d po divided q6h x 10 days
  5. Impetigo, ecthyma: 250-500 mg po QID x 7 days
  6. Cellulitis (nonpurulent), erysipelas: 500 mg po QID x at least 5 days
50
Q

Cephalexin - Off-Label Uses

A
  1. Bacterial endocarditis; prophylaxis for high-risk patients; dental, respiratory, or infected skin/skin structure or musculoskeletal tissue procedures:
    Adults - 2 g po 30-60 min prior to procedure
    Children - 50 mg/kg 30-60 min prior to procedure
  2. Prosthetic joint infection: 500 mg po q6-8h or 1 g q8-12h
  3. Endocarditis, prophylaxis (dental or invasive respiratory tract procedures): 2 g po 30-60 min prior to procedure
51
Q

Cefuroxime - MOA

A

2nd-generation cephalosporin

52
Q

Cefuroxime - Activity

A

Better than cefazolin but less than cefotaxime against H. influenzae, including beta-lactamase-producing strains. The activity of cefuroxime against S. aureus is slightly less than that of cefazolin. Its activity against anaerobes is poor, similar to the 1st-generation cephalosporins

53
Q

Cefuroxime - FDA-Approved Indications

A
  1. Acute infective exacerbation of COPD, uncomplicated skin and/or subcutaneous tissue infection, acute bacterial maxillary sinusitis, uncomplicated UTI: 250-500 mg po BID x 10 days
  2. Acute otitis media: (children) 250 mg po BID x 10 days
  3. Bronchitis, acute, secondary bacterial infection: (adults and children >12 years) 250-500 mg po BID x 5-10 days
  4. Gonorrhea, uncomplicated: 1 g po x 1 dose
  5. Pharyngitis, tonsillitis: 250 mg po BID x 10 d
  6. UTI (alternative agent), acute uncomplicated cystitis, acute simple cystitis: 250 mg po BID x 5-7 days
  7. Bite wound, prophylaxis, or treatment: 500 mg po BID in combination with an agent appropriate for anaerobes; duration of prophylaxis, 3-5 days
54
Q

Cefuroxime - Off-Label Uses

A

Lyme disease (Borrelia spp. infection), early disseminated or late disease: 500 mg po BID x 14-21 days

55
Q

Cefdinir - MOA

A

3rd generation cephalosporin

56
Q

Cefdinir - Activity

A

Gram (+) and Gram (-) bacteria including beta-lactamase-producing strains

57
Q

Cefdinir - FDA-Approved Indications

Children 6 months - 12 years

A

Acute otitis media, pharyngitis, and tonsillitis: 7 mg/kg po BID x 5-10 days or 14 mg/kg po daily for 10 days

MDD = 600 mg

58
Q

Cefdinir - FDA-Approved Indications

Adults

A

Dosing for All: 300 mg po BID x 5-10 days

  1. Acute otitis media, pharyngitis, tonsillitis
  2. Bronchitis, acute, secondary bacterial infection
  3. Community-acquired pneumonia, uncomplicated skin, and/or subcutaneous tissue infection (10 days)
  4. COPD, acute exacerbation (or 600 mg once daily x 3-7 days)
  5. Streptococcal pharyngitis, group A (or 600 mg once daily x 10 days)
59
Q

Cefdinir - Off-Label Uses

A
  1. Acute uncomplicated cystitis or acute simple cystitis: 300 mg po BID x 5-7 days
  2. UTI, including pyelonephritis: 300 mg po BID x 10-14 days
60
Q

Chlorhexidine - MOA

A

Polybiguanide antiseptic and antimicrobial drug with bactericidal activity. Bactericidal effect of chlorhexidine is a result of the binding of this cationic molecule to negatively charged bacterial cell walls and extra-microbial complexes

61
Q

Chlorhexidine - Activity

A

Gram (+) and Gram (-) organisms, facultative anaerobes, and yeast

It has both bacteriostatic and bactericidal effects, depending on its concentration

62
Q

Chlorhexidine - FDA-Approved Indications

A
  1. Gingivitis: 15 ml oral rinse (undiluted, 0.12%), swish 30 seconds and spit BID (morning and evening) after tooth brushing
  2. Skin or wound cleansing: rinse area to be cleansed, apply minimum amount of solution necessary to cover skin or wound area, and wash gently; then rinse
  3. Periodontitis: insert 1 chip into a periodontal pocket with a probing pocket depth > 5 mm. Up to 8 chips may be inserted in a single visit
63
Q

Chlorhexidine - Off-Label Uses

A
  1. Burn, prevention of nosocomial infectious disease: rinse area to be cleansed, apply minimum amount of 4% solution necessary to cover skin or wound area, and wash gently; then rinse
  2. Oropharyngeal decontamination, to reduce risk of ventilator-associated pneumonia in critically ill patients: 15 mL oral rinse (undiluted, 0.12%), swab oral area q8h
  3. Medication-related osteonecrosis of the jaw: swish rinse and expectorate after rinsing (do not swallow)
64
Q

Doxycycline - Kinetics

A

Absorption: F = 100%
Distribution: Vd = 0.75 L/kg; 80% protein bound
Metabolism: hepatic, 50%
Elimination: renal 35%; T1/2 = 15-24 hours
Hepatic and Renal Dose Adjustment: None

65
Q

Minocycline - Kinetics

A

Absorption: F = 90%
Distribution: Aqueous humor, CSF, gingival fluids, sinus, saliva, tears
Metabolism: hepatically metabolized, extent unknown
Elimination: renal 5-12%, fecal 20-34%; T1/2 = 16 hours
Hepatic Dose Adjustment: None
Renal Dose Adjustment: Consider dose reduction or extending dosing interval. MDD = 200 mg

66
Q

Amoxicillin - Kinetics

A

Absorption: F = 85%
Distribution: 17-20% protein bound; lung, pleural fluid, bile, liver, and inner ear
Metabolism: partially hepatic
Elimination: renal 50-70%; T1/2 = 1-2 hours
Hepatic Dose Adjustment: None
Renal Dose Adjustment: Moderate - q8-12h; Severe - q24h and reduce dose

67
Q

Amoxicillin/Clavulanate - Kinetics

A

Absorption: F = 85%
Distribution: 17-20% protein bound; lung, pleural fluid, bile, liver, and inner ear
Metabolism: Amoxicillin not metabolized, extensive metabolism of clavulanic acid
Elimination: renal 50-70% (amoxicillin); T1/2 = 1-2 hours
Hepatic Dose Adjustment: Consider dosage adjustment in severe impairment
Renal Dose Adjustment: 10-30 mL/min = q12h; <10 mL/min = q24h; avoid 875 mg and ER tablets for those on hemodialysis or CrCl <30 mL/min

68
Q

Penicillin - Kinetics

A

Absorption: F = 25%; food delays but doesn’t reduce absorption
Distribution: Pericardium, pleural fluid and inner ear
Metabolism: Not metabolized
Elimination: Rena 20-40%; T1/2 = 30 minutes
Hepatic and Renal Dose Adjustment: None

69
Q

Cephalexin - Kinetics

A

Absorption: F = 90%; food has little effect
Distribution: Widely into body tissues and fluid
Metabolism: Not metabolized
Elimination: Renal 80-100%; T1/2 = 1 hour
Hepatic Dose Adjustment: None
Renal Dose Adjustment: <50 mL/min: max 500 mg q12h

70
Q

Cefuroxime - Kinetics

A

Absorption: F = 37%; food increased to 52%; suspension must be taken with food, tablets do not
Distribution: Aqueous humor, bronchial secretions, ear fluid, placenta, sinus
Metabolized: Rapidly hydrolyzed by plasma and GI esterases
Elimination: Renal 50%: T1/2 = 2 hours
Hepatic Dose Adjustment: None
Renal Dose Adjustment: 10-30 mL/min = full dose q24h; <10 mL/min = full dose q48, administer after dialysis

71
Q

Cefdinir - Kinetics

A

Absorption: F = 25%; food decreases by 30%
Distribution: Lung, maxillary sinus, middle earl fluid, skin sputum
Metabolism: Not metabolized
Elimination: Renal 18%; T1/2 = 2 hours
Hepatic Dose Adjustment: None
Renal Dose Adjustment: <30 mL/min = decrease interval to daily (300 mg po once daily)

72
Q

Chlorhexidine - Kinetics

A

Not absorbed and no adjustments needed

73
Q

Doxycycline - Drug Interactions

A
  1. Typhoid vaccine, BCG, cholera vaccine = AVOID
  2. Sodium Picosulfate = use alternative agent
  3. Antacids = separate use by 1-2 hours
  4. Retinoic acid derivatives = contraindicated w/exceptions (adapalene, bexarotene, tretinoin)
  5. Digoxin = monitor and consider dose adjustments
  6. Penicillin = AVOID
  7. Calcium salts, carbamazepine = consider therapy modification
  8. Barbiturates = monitor
74
Q

Minocycline - Drug Interactions

A
  1. Typhoid vaccine, BCG, cholera vaccine = AVOID
  2. Sodium picosulfate = use alternative agent
  3. Vitamin K antagonists (warfarin) = monitor warfarin
  4. Antacids = separate use by 1-2 hours (specifically aluminum, calcium, and magnesium containing acids + iron)
  5. Retinoic acid derivatives = contraindicated
  6. Digoxin = monitor and consider digoxin dose adjustments
  7. Penicillin = AVOID
  8. Ethinyl estradiol and other estrogen-based birth control products = use alternative form of birth control
75
Q

Amoxicillin - Drug Interactions

A
  1. Typhoid vaccine, BCG, cholera vaccine = AVOID
  2. Sodium picosulfate = use alternative agent
  3. Vitamin K antagonists (warfarin) = increase warfarin monitoring
  4. Venlafaxine = AVOID
  5. Methotrexate = AVOID
76
Q

Amoxicillin/Clavulanate - Drug Interactions

A
  1. Typhoid vaccine, BCG, cholera vaccine = AVOID
  2. Sodium picosulfate = use alternative agent
  3. Vitamin K antagonists (warfarin) = increase warfarin monitoring
  4. Venlafaxine = AVOID
  5. Methotrexate = AVOID
77
Q

Penicillin - Drug Interactions

A
  1. Typhoid vaccine, BCG, cholera vaccine = AVOID
  2. Sodium picosulfate = use alternative agent
  3. Probenacid = AVOID
  4. Tetracyclines = AVOID
78
Q

Cephalexin - Drug Interactions

A
  1. Typhoid vaccine, BCG, cholera vaccine = AVOID
  2. Sodium picosulfate = use alternative agent
  3. Multivitamins and minerals = consider therapy modification
  4. Cholestyramine = administer 1 hour before or 6 hours after cholestyramine
  5. Metformin = use with caution
79
Q

Cefuroxime - Drug Interactions

A
  1. Typhoid vaccine, BCG, cholera vaccine = AVOID
  2. Sodium picosulfate = use alternative agent
  3. Vitamin K antagonists (warfarin) = monitor
  4. Antacids = AVOID
  5. Ethinyl estradiol and other estrogen-based birth control products = use alternative form of birth control
  6. PPIs = AVOID
80
Q

Cefdinir - Drug Interactions

A
  1. Typhoid vaccine, BCG, cholera vaccine = AVOID
  2. Sodium picosulfate = use alternative agent
  3. Vitamin K antagonists (warfarin) = monitor
  4. Antacids, iron and vitamins = separate administration by 2 hours
  5. Aminoglycosides = monitor
81
Q

Doxycycline in Pregancy/Lactation

A

Pregnancy: CONTRAINDICATED in 2nd and 3rd trimesters
Lactation: compatible

82
Q

Minocycline in Pregnancy/Lactation

A

Pregnancy: CONTRAINDICATED in 2nd and 3rd trimesters
Lactation: Compatible

83
Q

Amoxicillin in Pregnancy/Lactation

A

Pregnancy: risk 1st and 3rd trimesters
Lactation: compatible

84
Q

Amoxicillin/Clavulanate in Pregnancy/Lactation

A

Pregnancy: clavulanate is compatible
Lactation: probably compatible

85
Q

Contraindications with Amoxicillin/Clavulanate

A

ER products in patients on dialysis or severe renal dysfunction, history of cholestatic jaundice or hepatic dysfunction with amoxicillin/clavulanate therapy

86
Q

Penicillin in Pregnancy/Lactation

A

Compatible

87
Q

Cephalexin, Cefuroxime, and Cefdinir in Pregnancy/Lactation

A

Compatible

88
Q

Chlorhexidine in Pregancy/Lactation

A

Pregnancy: compatible
Lactation: probably compatible

89
Q

Doxycycline - Adverse Effects

A
  1. Common: esophageal injury, photosensitivity, skin hyperpigmentation, tooth discoloration in children <8 years
  2. Less common: N/V/D
  3. Rare but serious: esophageal ulceration, hypersensitivity, hepatotoxicity, renal toxicity, C. difficile colitis, increased intracranial pressure, decreased growth in children
90
Q

Minocycline - Adverse Effects

A
  1. Common: dizziness and vertigo, tooth discoloration in children <8 years, headache
  2. Less common: N/V/D, fatigue, pruritis, urticaria
  3. Rare but serious: hypersensitivity, hepatotoxicity, renal toxicity, C. difficile colitis, increased intracranial pressure, decreased growth in children, tissue hyperpigmentation
91
Q

Amoxicillin - Adverse Effects

A
  1. Common: D/N
  2. Less common: skin rash, vomiting, headahce
  3. Rare but serious: severe hepatotoxicity, renal failure, hepatic failure, pancytopenia
92
Q

Amoxicillin/Clavulanate - Adverse Effects

A
  1. Common: N/D
  2. Less common: skin rash, vomiting, mycosis, candidiasis
  3. Rare but serious: severe hypersensitivity, renal failure, hepatic failure, pancytopenia
93
Q

Penicillin - Adverse Effects

A
  1. Common: N/V/D
  2. Less common: skin rash
  3. Rare but serious: severe hypersensitivity, renal failure, hepatic failure, hemolytic anemia
94
Q

Cephalexin - Adverse Effects

A
  1. Common: nausea
  2. Less common: vomiting
  3. Rare but serious: SJS, renal failure, severe hypersensitivity, anemia, neutropenia, seizure
95
Q

Cefuroxime - Adverse Effects

A
  1. Common: diarrhea
  2. Less common: N/V, vaginitis, increased liver enzymes, diaper rash, local thrombophlebitis
  3. Rare but serious: SJS, hepatotoxicity, severe hypersensitivity, anemia, neutropenia, pancytopenia, seizure
96
Q

Cefdinir - Adverse Effects

A
  1. Common: diarrhea
  2. Less common: N/V, vaginitis, headache
  3. Increased liver enzymes, hypersensitivity
97
Q

Chlorhexidine - Adverse Effects

A
  1. Common: mouth irritation, tongue irritation, tooth aches and discolored teeth with oral rinse
  2. Less common: GI irritation
  3. Rare but serious: allergic reactions, skin irritation
98
Q

Doxycycline - Drug Monitoring

A

Efficacy: resolution of sx of infection

Toxicity: burning or pain in the stomach, extreme headache, bloody diarrhea, tooth darkening

99
Q

Minocycline - Drug Monitoring

A

Efficacy: resolution of s/sx of infection or decreased acne

Toxicity: Seek medication attn if extreme headache, bloody diarrhea, tooth darkening, or yellowing of the eyes/skin occurs. LFTs, BUN, SCr in patients receiving long-term treatment

100
Q

Amoxicillin - Drug Monitoring

A

Efficacy: resolution of clinical signs of infection

Toxicity: Severe diarrhea, dark urine, yellowing of skin or eye, unusual bruising or bleeding, blistering skin rash, or shortness of breath

101
Q

Amoxicillin/Clavulanate - Drug Monitoring

A

Efficacy: resolution of clinical signs of infection

Toxicity: Severe diarrhea, dark urine, yellowing of skin or eye, unusual bruising or bleeding, blistering skin rash, or shortness of breath

102
Q

Penicillin - Drug Monitoring

A

Efficacy: resolution of clinical signs of infection

Toxicity: assess SCr and CBC if prolonged therapy

103
Q

Cephalexin - Drug Monitoring

A

Efficacy: resolution of clinical signs of infection

Toxicity: Seek medical attention if decreased urination, blistering skin rash or extreme fatigue, unusual bruising or bleeding, shortness of breath

104
Q

Cefuroxime - Drug Monitoring

A

Efficacy: resolution of infection

Toxicity: Yellowing of the eyes, blistering skin rash or extreme fatigue, unusual bruising or bleeding, shortness of breath

105
Q

Cefdinir - Drug Monitoring

A

Efficacy: Resolution of infection, renal function, observe for signs and symptoms of anaphylaxis during first dose

Toxicity: severe diarrhea

106
Q

Chlorhexidine - Drug Monitoring

A

Efficacy: Oral rinse: resolution of gingivitis. Topical: no signs of bacterial infection (redness, pruritus, burning, swelling)

Toxicity: tooth discoloration, skin irritation

107
Q

Counseling and Pearls for ALL Antibiotics

A

Counseling: Complete full course of therapy
Symptoms should improve within 2-3 d; if they worsen, seek follow-up with health-care practitioner.

Pearls: may resume normal activities after 24 h of antibiotics and if afebrile

108
Q

Doxycycline - Counseling and Pearls

A

Counseling: May take with food that does not contain calcium. May cause photosensitivity; discontinue at first sign of skin erythema. Wear sunscreen and avoid prolonged exposure to sunlight and ultraviolet light. Administer with 240 mL of water.

Pearls: Not for use in children <8 y of age (causes bone and tooth discoloration).

109
Q

Minocycline - Counseling and Pearls

A

Counseling: May take with food that does not contain calcium (dairy). Acne should improve within 1-2 wk. Wear sunscreen. Avoid driving or using hazardous machines until side effects are known (dizziness). Warn patients (both male and female) to avoid pregnancy.

Pearls: Dosing is not interchangeable with extended-release and immediate-release products. Dizziness occurs more frequently in women than men. Less hepatotoxicity then is usually seen with doxycycline. Not for use in children <8 y of age due to bone and tooth discoloration. Injectable formulation also available.

110
Q

Amoxicillin - Counseling and Pearls

A

Counseling: For the suspension, shake well and store in the refrigerator. Note short expiration after reconstitution. Can take with food if causes upset stomach. Avoid mixing suspension with food or beverages and use with measuring device that comes with prescription. May decrease effectiveness of oral contraceptives; encourage patients to use backup contraceptive method (eg, condom).

Pearls: There is cross-hypersensitivity between penicillin and cephalosporins; use with caution in cephalosporin allergic patients. ER tablet not approved for children <12 y of age. Combination with clavulanate preferred for acute bacterial rhinosinusitis.

111
Q

Amoxicillin/Clavulanate - Counseling and Pearls

A

Counseling: Take dose with food to ensure proper absorption. For the suspension, shake well and store in the refrigerator. Note short expiration after reconstitution of 10 d. Avoid mixing suspension with food or beverages. May decrease effectiveness of oral contraceptives; encourage patients to use backup contraceptive method (eg, condom).

Pearls: There is cross-hypersensitivity between penicillin and cephalosporin; use with caution in cephalosporin-allergic patients. Incidence of diarrhea is higher than with amoxicillin alone.

112
Q

Penicillin - Counseling and Pearls

A

Counseling: Take on an empty stomach. Seek care for severe diarrhea, dark urine, yellowing of skin or eyes, unusual bruising or bleeding, blistering skin rash, or shortness of breath

Pearls: ere is cross-hypersensitivity between penicillin and cephalosporins (<10%); use with caution in cephalosporin allergy if severe penicillin reaction. Use caution in those with severe renal impairment and in those with seizure disorders. First antibiotic, produced in 1943, referred to as the “magic bullet.” Aminopenicillins have replaced use of penicillin for many indications, including endocarditis and otitis media.

113
Q

Cephalexin - Counseling and Pearls

A

Counseling: Seek medical attention if rash develops. For the suspension, shake well and store in the refrigerator. Note short expiration after reconstitution. Avoid mixing suspension with food or beverages, but food can be taken afterward.

Pearls: Approximately 10% of patients allergic to penicillins are also allergic to cephalosporins; use with caution in penicillin-allergic patients.

114
Q

Cefuroxime - Counseling and Pearls

A

Counseling: Seek medical attention if rash develops. For the suspension, shake well and store in the refrigerator. Note 10 d expiration after reconstitution. Avoid mixing suspension with food or beverages, but food can be taken afterward.

Pearls: Approximately 10% of patients allergic to penicillins are also allergic to cephalosporins; use with caution in penicillin-allergic patients. Also available in injectable formulation. Suspension formulation discontinued by brand-name manufacturer and no generic suspension available for over 2 years.

115
Q

Cefdinir - Counseling and Pearls

A

Counseling: For the suspension, shake well and can be stored at room temperature. Note 10 d expiration after reconstitution. Avoid mixing suspension with food or beverages, but food can be taken afterward. Separate administration of antacids, iron, and vitamins by 2 h.

Pearls: Approximately 10% of patients allergic to penicillin are also allergic to cephalosporin; use with caution in penicillin-allergic patients.

116
Q

Chlorhexidine - Counseling and Clinical Pearls

A

Counseling: For oral rinse, measure out 1/2 fluid ounce (15 mL) as marked in the cap that comes with the bottle, swish the solution in mouth for at least 30 seconds; do not swallow. Wait several hours after use of chlorhexidine to eat or drink. Likely to cause tooth discoloration, which can be removed by dental cleaning. For topical product, use only on unbroken skin, do not swallow, or get in the eyes, ears, mouth, nose, genital area, or anal area. Contains large amounts of alcohol (70%) and is flammable. Apply the medicine in a well-ventilated place. Do not cover the treated area until the skin is completely dry after application. This is usually 3 min or longer for hairless skin. If you must apply the medicine to a hairy area of the body, wipe the area with a towel to remove extra chlorhexidine.

Pearls: Not for use in children. Several OTC products also available.

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