Summary

These notes provide a summary of various antibiotics, covering their classifications, mechanisms of action, and key clinical applications. The document details different types of antibiotics, such as penicillins, cephalosporins, and macrolides, highlighting their unique properties, indications, and potential adverse effects.

Full Transcript

‭CRAM THE PANCE- ANTIBIOTICS:‬ ‭ ETA LACTAMS:(Penicillins, Cephalosporins, Monobactam,‬ B ‭Carbapenem)‬ ‭Penicillin—‬ -‭ Penicillin G, Penicillin V‬ ‭(+)‬ ‭High yield indications:‬ ‭-Syphilis‬ ‭-Strep Pharyngitis (Amoxicillin is used more often for taste, and dosing amounts), dental‬ ‭infections, r...

‭CRAM THE PANCE- ANTIBIOTICS:‬ ‭ ETA LACTAMS:(Penicillins, Cephalosporins, Monobactam,‬ B ‭Carbapenem)‬ ‭Penicillin—‬ -‭ Penicillin G, Penicillin V‬ ‭(+)‬ ‭High yield indications:‬ ‭-Syphilis‬ ‭-Strep Pharyngitis (Amoxicillin is used more often for taste, and dosing amounts), dental‬ ‭infections, rheumatic fever‬ ‭Penicillinase Resistant: (Antistaphylococcal penicillin)---‬ ‭-Nafcillin, Oxacillin, Dicloxacillin‬ ‭-STAPH‬ ‭High Yield indications:‬ ‭-MSSA‬ ‭Amino-Penicillin—‬ ‭-Amoxicillin (PO), Ampicillin (IV)‬ ‭-Gram (+), mostly Gram (-)‬ ‭High yield indications:‬ ‭-Acute otitis media, strep pharyngitis, listeria‬ ‭ eed something to resist beta-lactamase…‬ N ‭Beta- Lactamase Inhibitor Penicillin: (shield for antibiotic)---‬ ‭-Amoxicillin- clavulanate (Augmentin)‬ ‭-Ampicillin- Sulbactam (Unasyn)‬ ‭(+),(-),‬‭Anaerobes‬ ‭High yield indications:‬ ‭-Acute Sinusitis, Animal Bites, Aspiration Pneumonia‬ ‭Antipseudomonal Penicillin: (Extended Spectrum)‬ ‭-Super broad spectrum, not used on average patient‬ ‭-Piperacillin- Tazobactam‬ ‭-Ticarcillin- Clavulanate‬ ‭-(+),(-)‬‭Pseudomonas,‬‭Anaerobes‬ ‭Does NOT cover: MRSA, atypicals … really good at everything else‬ ‭Adverse drug reactions:‬ ‭Hypersensitivity (most associated)‬ ‭Hematologic reactions‬ ‭GI (amoxicillin (Augmentin) , ampicillin diarrhea)‬ ‭CEPHALOSPORINS:‬ ‭Olympic podium= 1st place is most positive, you get‬‭more negative the lower you are placed‬ -‭ Losing gram (+), gain gram (-):‬ ‭1st Generation:—‬ ‭-Cephalexin‬ ‭-Cefazolin‬ ‭-Really good gram (+) (Staph, Strep)‬ ‭High yield Indications:‬ ‭-Skin infections (MSSA)- (Cephalexin (PO))‬ ‭-Surgical prophylaxis (Cefazolin)‬ ‭ nd Generation:---‬ 2 ‭“2 FURry FOX drinking TEa on the FLOR” :‬ ‭2nd gen,‬‭CeFURoxime, ceFOXitin, cefoTEtan, ceFacLOR‬ ‭-Gram (+), BUT weaker than gen 1 , Gram (-) better,‬‭Anaerobes‬ ‭High Yield Indications:‬ ‭-Intraabdominal/ pelvic infections‬ ‭ rd Generation:---‬ 3 ‭“You can TRI (‬‭cefTRIaxone‬‭)(TRI=3rd gen), TAXing (‬‭Cefotaxime‬‭)‬‭me but you wont get a DIME‬ ‭(‬‭ceftaziDIME‬‭)”‬ ‭-Excellent Gram (-)‬ ‭-‬‭PSEUdomonas‬‭with CeftaziDIME…‬‭“If you SUE me, you‬‭won’t get a DIME”‬ ‭High yield indications:‬ ‭-Gonococcal infections‬ ‭-Meningitis‬ ‭-community acquired pneumonia (hospitalized)‬ ‭4th Generation:---‬ ‭-Cefepime‬ ‭-Gram (-)‬‭Pseudomonas‬ ‭“Cef4pime, 4th gen, 4 syllables pseu-do-mo-nas”‬ ‭5th Generation:---‬ ‭-Ceftaroline‬ ‭-MRSA coverage‬ ‭“Cef-star-oline, is all about the stars… 5 sides/ 5th gen… when you look at the stars, you can‬ ‭see mars… MRSA''‬ ‭MONOBACTAM:‬ ‭Aztreonam:---‬ ‭-Gram(-) only,‬‭Pseudomonas‬ ‭***Has NO cross reactivity with other beta lactam antibiotics!!...‬‭CAN give to people allergic to‬ ‭penicillins (exception ceftazidime, similar side link)‬ ‭-Can be used for people with renal insufficiencies‬ ‭GLYCOPEPTIDES:‬ ‭Vancomycin—(Always IV, except with C. diff)‬ ‭-Gram (+)‬‭MRSA‬ ‭ igh Yield Indications:‬ H ‭-C. Diff (PO)‬ ‭ dverse drug reactions:‬ A ‭-Red man syndrome‬ ‭-Ototoxicity‬ ‭-Nephrotoxicity‬ ‭“Pimped out van with CROM rims,‬ ‭(C-diff, Red man syndrome/ Renal Toxicity, Ototoxicity, MRSA)‬ ‭CARBAPENEM:‬ -‭ Imipenem-Cilastatin‬ ‭-Metropenem‬ ‭-Ertapenem‬ ‭EXTREMELY broad-spectrum antibiotics:‬ ‭-Gram (+), Gram (-), MSSA‬ ‭-Pseudomonas‬‭(‬‭E‭x‬ cept‬‭E‭r‬ tapenem)‬ ‭-Anaerobes‬ ‭ dverse drug reactions:‬ A ‭-CNS Toxicity (lower seizure threshold, particularly with Imipenem)‬ ‭AMINOGLYCOSIDES:‬ -‭ Gentamycin‬ ‭-Tobramycin‬ ‭-Amikacin‬ ‭-Neomycin‬ ‭-Streptomycin‬ ‭-Gram (-),‬‭Pseudomonas‬ ‭Adverse drug reactions:‬ ‭*Ototoxicity‬ ‭*Nephrotoxicity‬ ‭ ll end in CIN (CIN- coverage includes (-) CIN- crushing incas and nephrons (ototoxicity and‬ a ‭kidney/nephrons)‬ ‭TETRACYCLINES:‬ ‭-Doxycycline**‬ -‭ Tetracycline‬ ‭-Minocycline‬ ‭-Gram (-), Gram (+),‬‭MRSA‬‭, Atypicals and “weird stuff”...Unusual‬‭pathogens, vibrio, anthrax,‬ ‭lyme disease, etc.‬ ‭ igh Yield Indications: FOR‬‭DOXYCYCLINE‬ H ‭-Chlamydia (used to be azithromycin…single dose for non-compliant patients)‬ ‭-Rocky Mountain Spotted Fever‬ ‭-Lyme Disease‬ ‭“Sitting on a DOCK by the SEA (DOCK-SEA Cycline) eating CLAMS (CLAM-ydia) and ROCKY‬ ‭MOUNTAIN oysters (ROCKY MOUNTAIN Spotted disease) with a squeeze of LYME (LYME‬ ‭disease)”‬ ‭Adverse drug reactions:‬ ‭-‬‭teeth discoloration‬ ‭-inhibits bone growth in children‬ ‭-impaired absorption when taken with certain minerals, antacids (aluminum, calcium,‬ ‭iron, magnesium)‬ ‭-photosensitivity‬ ‭Fluoroquinolones:‬ ‭Moxifloxacin—‬ ‭-”Respiratory fluoroquinolones”‬ ‭-Best Gram (+),‬‭Atypicals,‬‭Anaerobes‬ ‭Levofloxacin—‬ ‭-“Respiratory fluoroquinolone”‬ ‭-Good Gram(+)‬ ‭-Best‬‭strep,‬‭pneumonia‬ ‭-Don't use for when person has myasthenia gravis‬ ‭Ciprofloxacin—‬ ‭-”Urinary fluoroquinolone” “‬‭Only fluoroquinolone with‬‭a p= pp (urinary tract)”‬ ‭-Best gram (-) coverage‬ ‭-Best‬‭Pseudomonas‬ ‭High yield indications:‬ ‭-Pyelonephritis‬ ‭-UTI (complicated)‬ ‭-Prostatitis‬ ‭-community acquired pneumonia‬ ‭Adverse Drug reaction:‬ ‭1.‬ ‭QT prolongation‬ ‭2.‬ ‭Tendon rupture (achilles tendon)‬ ‭3.‬ ‭Precipitate Myasthenic Crises (black box warning)‬ ‭Macrolides:‬ -‭ ‬‭Azithromycin‬ ‭-Clarithromycin‬ ‭-Erythromycin‬ ‭-Gram (-)(+), Atypical organisms‬ ‭ igh yield Indications:‬ H ‭-Chlamydia * (used to be best, now doxycycline is)‬ ‭-Mycobacterium Avium Complex (MAC)‬‭“MACrolides, treat‬‭MAC”‬ ‭-community acquired pneumonia‬ ‭-Gastroparesis (mostly azithromycin)‬ ‭-‬‭COPD‬‭Bacterial exacerbations‬ ‭ dverse drug reactions:‬ A ‭-QT prolongation‬ ‭-prominent GI side effects (hepatotoxicity; Azithromycin), (Acute cholestatic; Erythromycin)‬ ‭-CytochromeP450 Inhibition‬

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