drugs 137 Flashcards
antibiotics
3
amoxicillin
metronidazole
phenoxymethylpenicillin
amoxillin not when
penicillin allergy
go to metronidazole
metronidazole not when
on warfarin
phenozymethylpenicillin
not when
penicillin allergy
amoxcillin dose
500mg, 1 tablet, 3x p/d
amoxcillin dose for ANUG
500mg, 1 tablet, 3x p/d
3 days
amoxcillin dose for dentofacial infection
500mg, 1 tablet, 3x p/d
5 days
amoxicillin dose for sinuisitis
500mg, 1 tablet, 3x p/d
7 days
metronidazole dsose for ANUG
400mg, 1 tablet, 3x p/d
3 days
metronidazole dose for dentofacial infection
400mg, 1 tablet, 3x p/d
5 days
metronidazole dose for sinusitis
400mg, 1 tablet, 3x p/d
7 days
phenoxymethylepenicillin dose for dentofacial infection
250mg, 2 tablets 4x p/d for 5 days
500mg if severe infection in adults
NSAIDS
2
aspirin
ibuprofen
common analgesics in dentistry
ibuprofen
aspirin
paracetamol
caution with aspirin
pts with hepatic, renal impairment, GI disease, warfarin users,
not be used after extraction
aspirin dose
300mg, 2 tablets, 4x p/d (after food) for 5 days
aspirin action on
COX1 : COX2 (150:1)
COX1 - stomach lining, kidney function, and platelet aggregation
COX2 - inflammation and pain
ibuprofen dose
400mg, 1 tablet, 4x p/d after food
5 days
ibuprofen action
blocks prostaglandings which sensitise the tissues to Leukotrienes that cause pain
max 2.4g if necessary i.e. if 400mg is 1 tablet, 6x p/d
deal with ibuprofen overdose
activated charcoal if more than 400mg/kg of body weight ingested in previous hour
paracetamol dose
500mg, 2 tablets, 4x p/d
5 days
paracetamol action
blocks COX directly in the brainstem
paracetamol caution
in pts with renal and hepatic impairment and those with alcohol dependence
antineurpathics used in dentistry
carbemazepine
100/200mg, 1 tablet, 2x p/d, 10 days
caution with carbamazepine
dizziness
ataxia
drowsiness
if prescribing carbemazepine
request liver function test
urea and eletrolytes
monitor closely