Antimicrobials Flashcards
Antibacterials, antivirals, antifungals, antiprotozoas & anthelmintics are all types of?
Antimicrobials
Gram postive
Thicker cell wall
Gram negative
additional outer membrane
Bactericidal
Kills bacteria
Bacteriostatic
Prevents growth
Narrow spectrum
active against few types
Broad spectrum
active against many types
Gentamicin, tobramycin & amikacin
Aminoglycosides (broad, IV only)
Aminoglycosides
Elderly- caution
Hepatic- safe
Children- safe but highly variable
Pregnancy- Specialist advise/reserve for life threatening
Breastfeeding- safe
Renal- reduce
Meropenem, ertapenem, imipenem-cilastatin
Carbapenems (broad, IV only)
Carbapenems
Elderly- caution
Hepatic- caution
Children- safe
Pregnancy- limited info
Breastfeeding- safe
Renal- reduce
Caution- penicillin allergy
Cefalexin, ceftriaxone, cefepime, cefazolin
Cephalosporins (moderate-broad)
Cephalosporins
Elderly- safe
Hepatic- safe
Children- avoid in neonates
Pregnancy- limited info
Breastfeeding- safe
Renal- reduce
Caution- penicillin allergy
Vancomycin and teicoplanin
Glycopeptides (narrow)
Glycopeptides
Elderly- toxicity
Hepatic- safe
Children- safe
Pregnancy- limited info
Breastfeeding- safe
Renal- reduce
Clihdamycin & lincomycin
Lincosamides (moderate-broad)
Cautions for Lincosamides
Elderly- safe
Hepatic- toxicity
Children- safe
Pregnancy- safe
Breastfeeding- safe
Renal- reduce
Azithromycin, clarithromycin, erythromycin
Macrolides (broad)
Macrolides
Elderly- safe
Hepatic- decrease in severe impairment
Children- limited info >6months
Pregnancy- safe
Breastfeeding- safe
Renal- reduce for severe impairment
Caution- many drug interactions
Amoxicillin, ampicillin, benzylpenicillin
Penicillin (narrow, first line)
Penicillin
Elderly- safe
Hepatic- contra. hx of cholestatic hepatitis
Children- safe
Pregnancy- safe
Breastfeeding- safe
Renal- reduce
Ciptofloxacin, moxifloxacin, norfloxacin
Quinolones (broad, for severe infections)
Quinolones
Elderly- safe
Hepatic- toxicity
Children- avoid
Pregnancy- avoid
Breastfeeding- safe
Renal- reduce
Caution- tendon rupture
Rifampicin, rifabutin, riflazimin
Rifamycins (broad)
Rifamycins
Elderly- safe
Hepatic- decrease dose in severe
Children- safe
Pregnancy- safe
Breastfeeding- safe
Renal- reduce if severe
Caution- many drug interactions (contraceptives)
Doxycycline, minocycline, tetracycline
Tetracyclines (oral, broad)
Tetracyclines
Elderly- safe
Hepatic- reduce
Children- avoid > 8, discolours teeth
Pregnancy- safe first 18 weeks only
Breastfeeding- safe (7-10 day courses)
Renal- safe