Antibiotic Dosages

Question 1

Acetaminophen Dosage for children <12yrs

Answer 1

10-15mg/kg every 4-6hrs

Question 2

Acetaminophen max dosage for children <12yrs

Answer 2

75mg/kg (do not exceed 4000mg/24hrs)

Question 3

Acetaminophen Dosage for children/adolescents >12yrs

Answer 3

325-650 mg every 4-6 hours

OR

1000mg 3-4x daily

Question 4

Acetaminophen max dosage for children/adolescents >12yrs

Answer 4

4000mg per day

Question 5

Ibuprofen Dosage for children <12yrs

Answer 5

4-10mg/kg/dose 6-8hrs

Question 6

Ibuprofen Dosage for children/adolescents >12yrs

Answer 6

200-500mg 4-6hrs

3200mg per day

Question 7

Amoxicillin dosage child <40kg

Answer 7

20-40 mg/kg/day every 8hrs

500mg max per dose

Question 8

Amoxicillin dosage child >40kg

Answer 8

250-500mg every 8hrs

Question 9

Amoxicillin dosage for SBE

Answer 9

50mg/kg 30-60min before procedure

2g max dose (children/adults >40kg)

Question 10

Azithromycin dosage child and adolescents

Answer 10

SINGLE DOSE EACH DAY
10-12mg/kg on day 1 (max 500mg)
5-6mg/kg days 2-5 (max 250mg)

Question 11

Azithromycin dosage adults/children >40kg

Answer 11

500mg day 1; 250mg days 2-5

Question 12

Azithromycin dosage SBE

Answer 12

15mg/kg (max 500mg) 30-60min before procedure

Question 13

Risk of azithromycin

Answer 13

can cause cardiac arrhythmias in pts with pre-exiting cardiac conduction defects

Question 14

Cephalexin dosage children/adolescents

Answer 14

25-50mg/kg/day
divided into 6-12hrs

Question 15

Cephalexin max dosage children/adolescents

Answer 15

2000mg maximum daily dose

Question 16

Cephalexin dosage and maximum dosage adults

Answer 16

250-1000mg every 6hrs

4000mg maximum daily dose

Question 17

Cephalexin SBE dosage

Answer 17

50mg/kg 30-60min before
2000mg max dose

identical to amoxicillin

Question 18

Cephalexin contraindications

Answer 18

history of anaphylaxis, angioedema with penicillin/ampicillin

Question 19

Doxycycline dosage children (and what age is cut off)

Answer 19

children >8yrs old: 2.2mg/kg/dose every 12hrs

100mg = max dose

Question 20

Doxycycline dosage adults

Answer 20

100-200mg/day 1x daily OR 2x daily 12hrs

Question 21

Metronidazole dosage in children for oral infections

Answer 21

NOT RECOMMENDED

Question 22

Metronidazole dosage in adolescents/adult for oral infections

Answer 22

500mg every 8hrs with penicillin

Question 23

What antibiotics are used for periodontal disease in children?

Answer 23

Amoxicillin and/or Metronidazole
Azithromycin if penicillin allergy

Question 24

0.12% Chlorhexidine gluconate indications and dosages

Answer 24

gingivitis/periodontitis
off-label for stomatitis

Children >8yrs = Rinse with 15mL 2x daily for 30s and spit out

Question 25

Fluconazole dosage infants, children, adolescents

Answer 25

6-12mg/kg/dose ONCE daily for 7-14 days

Question 26

Fluconazole Adult dose

Answer 26

200mg day 1, 100-200mg ONCE daily 7-14 days

Question 27

Fluconazole contraindications

Answer 27

Fluconazole is a hepatic enzyme inhibitor risky for pts with other meds metabolized by cytochrome P450 enymes

Question 28

Nystatin dose infants

Answer 28

2mL 4x daily 7-14 days 1/2 dose placed in each side of mouth

Question 29

Nystatin dose children/adolescents/adults

Answer 29

swish 4-6mL 4x daily for 7-14 days continue for 48hrs after symptoms resolve NPO 30min

Question 30

Acyclovir for primary herpetic gingivostomatitis in children

Answer 30

20mg/kg/dose 4x daily for 5-7 days 800mg max dose

Question 31

Acyclovir for herpes labialis in children and adolescents

Answer 31

Children: 20mg/kg/dose 4x daily until clinical resolution or 7-10 days 400mg max dose Adolescents/adults: 400mg up to 3x daily until resolution or 7-10 days

Question 32

Topical Corticosteroid indications

Answer 32

non-infectious ulcers, mucocutaneous lesions i.e. aphthous ulcers, localized allergic reactions, symptomatic benign migratory glossitis

Question 33

Triamcinolone acetonide (medium potency corticosteroid) application

Answer 33

apply paste to ulcers 2-4x daily, after meals and at bedtime DO NOT EXCEED 14 DAYS NPO 30min

Question 34

Clobetasol (super-high potency corticosteroid) application

Answer 34

apply thin amount to ulcers 2-4x daily, after meals and at bedtime DO NOT EXCEED 14 DAYS