Antiinfectives Flashcards
classes of antibiotics (9)
suflonamides penicillins tetracyclines fluoroquinolones cephalosporins macrolides lincosamides nitroimidazoles antituberculosis agents
3 types of antiinfectives
antibiotics
antifungals
antivirals
sulfonamides (4)
-ind. for UTIs and cystitis Bactrim DS Septra DS Macrodantin Macrobid
UTI
urinary tract infection
cystitis
inflammation of the bladder
Bactrim DS, Septra DS
sulfamethoxazole, trimethoprim DS
- sulfonamide, not a sulfonamide
- pt. counseling: take with PLENTY of water, may cause phototoxic reactions so be careful in UV light, and finish all medication
- drug interaction between ACE inhibitors and ARBs with sulfonamides: 7-fold increase in hyperkalemia*
phototoxic reaction of Bactrim DS and Septra DS
drug is in the skin, UV light activates the drug, drug emits energy into the skin, and it burns (resembles a sunburn)
Macrodantin, Macrobid
nitrofurantoin
- sulfonamide
- pt. counseling: take WITH food, makes urine a rust color, finish all medication
phenazopyridine
- analgesic
- it is a reddish dye that has a local anesthetic effect on the urinary tract mucosa
- NOT an antibiotic- relieves burning on urination assoc. w/ UTIs, does not cure them
- pt. counseling: drink plenty of water and turns urine brownish-red color (stains clothing)
Pyridium
phenazopyridine
- analgesic
- 100mg, 200mg (Rx only)
Azo-standard
phenazopyridine
- analgesic
- 95mg (OTC)
crystalluria
excretion of crystals in the urine
penicillins (4)
-pt. counseling: finish ALL medication penicillin ampicillin amoxicillin Moxatag
penicillin
- penicillin
- take on an EMPTY stomach
ampicillin
- penicillin
- take on an ES
amoxicillin
- penicillin
- take w/o regard to meals
Moxatag
amoxicillin ER
- penicillin
- qday
tetracyclines (4)
tetracycline
minocycline
doxycycline
Periostat
tetracycline pt. counseling
- do NOT take with di- or trivalent cations b/c it will chelate with them
- cause phototoxic reactions
- finish ALL medication
chelation
formation of complexes with di- or trivalent cations
tetracycline
-tetracycline
minocycline
-tetracycline
doxycycline
-tetracycline
Periostat
doxycycline
- tetracycline
- ind. for periodontitis
- 20mg - not antibacterial at this strength
- inhibits collagenase