Anti - infective Drugs (Antibiotics, Antitubercular) Flashcards
anti-metabolites; inhibit growth by preventing bacterial synthesis of folic acid
Sulfonamides
combined with erythromycin
Sulfisoxazole
Active against Pseudomonas and relatively ineffective
against gram-positive organisms
Extended-spectrum penicillin
Nursing Intervention: Allergy skin testing
Penicillin
Drug of choice for Legionnaires CAMP (Legionnella, Campylobacter, Mycoplasma, Bordetella )
Erythromycin (Macrolides)
Nursing Responsibility: Do not give with fruit juice
Macrolides
Gram (-) and some gram (+) UTI and respiratory tract infections
Quinolones
examples: Ciprofloxacin, levofloxacin, moxifloxacin (-xacin)
Quinolones
Drug Interaction: Anti Vitamin K (bleeding tendencies)
Cephalosporins
treatment and prophylaxis
of infections in hospitalized patients
3rd generation Cephalosporins
designed to target organisms with multiple drug resistance
4th generation Cephalosporins
For serious gram (+) & (-) infections; Therapeutic Goal - below or at 1 mcg/mL trough level
Aminoglycosides
Nursing Intervention: baseline hearing
Aminoglycosides
Drug of Choice for chlamydia, mycoplasma, rickettsia, H. pylori, cholera, shigellosis
Tetracyclines
Nursing Responsibility: Remind to avoid sun exposure and tanning bed use
(photosensitivity)
Tetracyclines
Drug of Choice for pseudomonas, UTI, systemic infections; Aztreonam
Monobactam
broadest activity beta-lactam: reserved for complicated body cavity and connective tissue infections; Meropenem, Ertapenem, Doripenem (-penem)
Carbapenem
Nursing responsibility: Must be infused over 60 min
Carbapenem
Better to be used only topically
VANCOMYCIN and BACITRACIN
Penetrates most tissues including bone; Effective against anaerobes
CLINDAMYCIN
Reserved for life-threatening infections d/t serious side effects(bone marrow depression, aplastic anemia [fatal]; gray baby syndrome)
CHLORAMPHENICOL
Nursing responsibility: Use sunblock to TAN!
Tetracyclines, Aminoglycosides, NSAIDS
TAN
Nursing responsibility: Assess for tinnitus
Erythromycin and Aminoglycosides (EAr)
Nursing responsibility: No TeA for children!
Tetracyclines and Aspirin
TeA
Rifampin, Isoniazid, Pyrazinamid, Ethambutol, Streptomycin
Anti-tubercular drugs (RIPES)
MORE effective and LESS toxic than second-line
First Line Antitubercular Drugs (Isoniazid, Streptomycin, Rifampin, Ethambutol)
most frequently prescribed regimen for uncomplicated pulmonary TB; red-orange color to body fluids (urine, sweat, saliva, tears)
Rifampin + isoniazid
Primary agent for treatment and prophylaxis of TB
Isoniazid
A bactericidal to M. tuberculosis; MOST hepatotoxic of all 1st line drugs - high dose therapy may cause hepatitis, fatal hepatic necrosis
Pyrazinamide
preferred regimen for initial therapy of active disease caused by drug-sensitive M. tuberculosis
Rifampin + Isoniazid + Pyrazinamide + Ethambutol