PHARMA PEARLS 2 Flashcards
Bactericidal Antibiotics
Very Finely Proficient At Murder: Vancomycin, Fluoroquinolones, Penicillins, Aminoglycosides, Metronidazole
Bacteriostatic Antibiotics
we’re ECSTaTiC about bacteriostatics: Erythromycin, Clindamycin, Sulfamethoxazole, Trimethoprim, Tetracycline, Chloramphenicol
Narrow spectrum penicillins, SE: Hypersensitivity, DOC: Syphilis (Jarisch- Herxheimer Reaction)
PENICILLIN G
Penicillinase- resistant penicilins, SE: Interstitial nephritis
METHICILLIN
Extended spectrum penicillins, SE: Pseudo- membranous colitis (C. defficile
AMPICILLIN
Anti- pseudomonal penicillins, SE: hypertension, hypervolemia, bleeding
TICARCILLIN
DOC: NAF(NAFcillin), SE: Neutropenia
STAPHylococcus
Drug Coverage of Amoxicillin
amoxicillin HELPS kill Enterococci: Haemophilus influenzae, Escherichia coli, Listeria monocytogenes, Proteus mirabilis, Salmonela spp., Enterococci
Drugs for Pseudomonas
TCP (Takes Care of Pseudomas): Ticarcillin, Carbenicillin, Piperacillin
1st generation cephalosporin, high bone penetration, surgical prophylaxis, greatest Gram Positive coverage, SE: Hypersensitivity reaction
CEFAZOLIN
2nd generation cephalosporin, added Gram Negative coverage, SE: Disulfiram reaction
CEFAMANDOLE
3rd generation cephalosporin, Pseudomonas coverage, SE: Disulfiram reaction (ONLY 3rd gen cephalosporin with Disulfiram reaction)
CEFOPERAZONE
Most efficacious cephalosporin for Psedomonas aeruginosa
CEFTAZIDIME
4th generation cephalosporin, broad spectrum activity (gram positive & gram negative)
CEFEPIME
Cephalosporin with best penetrance to the BBB
CEFTRIAXONE
2nd generation cephalosporin that can cros the BBB
CEFUROXIME
Microbes covered by 1st generation cephalosporins
KEPs: Klebsiella, E. coli, Proteus
First Generation Cephalosporins
FADer, help me FAZ my Pharmacology boards!: ceFADroxil, ceFAZolin, cePHalothin, cePHapirin, cePHradine, cePHalexin
Microbes covered by 2nd Generation Cephalosporins
HEN has KEPS: Haemophilus influenzae, Enterobacter aerogenes, Neisseria spp., Klebsiella pneumoniae, Escherichia coli, Proteus mirabilis, Serratia marcescens
2nd Generation Cephalosporins
in a FAMily gathering, you see your FOXy cousin wearing a FUR coat and drinking TEA: ceFAMandole, ceFOXitin, ceFURoxime, cefoTEtan; FAC! LORA the PROfessional AZhOLE is still on the FONe: ceFAClor, LORAcarbef, cefPROzil, cefmetaZOLE, ceFONicid
Cephalosporins causing Disulfiram Reaction
CEFOPERAZONE (3rd Gen), CEFAMANDOLE (2nd Gen), CEFMETAZOLE (2nd Gen), CEFOTETAN (2nd Gen)
Enzyme inhibited in Disulfiram Reaction
ACETALDEHYDE DEHYDROGENASE
3rd Generation Cephalosporins
Fenge PO ng PERA to FIX my TTTTTv!: ceFEtamet, cefPOdozin, cefoPERAzone, ceFIXime, cefTriaxone, cefTazidime, cefoTaxime, cefTizoxime, cefTibuten
Anti- Pseudomonal Cephalosporins
CEFTAZIDIME (3rd Gen), CEFOPERAZONE(3rd Gen), CEFEPIME (4th Gen)
Blocks Peptidyl transferase (prevents addition of an amino acid) by binding to 50S subunit, SE: Aplastic Anemia (Idiosyncratic), Gray Baby Syndrome
CHLORAMPHENICOL
Enzyme inhibited in Gray Baby Syndrome
GLUCORONYL TRANSFERASE
Blocks tRNA binding site by binding to 30S subunit, SE: Tooth enamel discoloration, photosensitivity
TETRACYCLINE
Binds to 50S subunit, DOC: penicillin- allergic patients, SE: Diarrhea, cholestatic jaundice
ERYTHROMYCIN (Bx: MERCOLIDE)
Binds to 50S subunit, highest volume of distribution, single dose administration
AZITHROMYCIN (DC: Macrolide)
Methylating binding site at 50S subunit, anaerobic coverage, SE: Pseudo- membranous colitis
CLINDAMYCIN (DC: Lincosamide)
Binds to 50S subunit, Vacomycin- resistant
LINEZOLID (DC: Oxazolindone)
50S vs 30S
buy AT 30, CELL at 50: 30S - Aminoglycoside, Tetracyline; 50S - Chloramphenicol, Erythromycin, cLindamycin, Linezolid
Used for anaerobic infections above the diaphragm
CLINDAMYCIN (DC: Lincosamide)
Used for anaerobic infections below the diaphragm
METRONIDAZOLE
Drugs that are Oxygen- dependent active transporter
AMINOGLYCOSIDES
Prototyp aminoglycoside, bactericidal, binds to 30S subunit, SE: Nephrotoxicity, Ototoxicity
GENTAMICIN
Aminoglycoside used as treatment for ocular infections
TOBRAMYCIN
Aminoglycoside used as treatment for Tuberculosis
STREPTOMYCIN
Aminoglycoside used as treatment for Drug- Resistant Gonorrhea
SPECTINOMYCIN
Aminoglycoside with the widest spectrum of activity, with Pseudomonas coverage, narrow therapeutic window
AMIKACIN
Aminoglycoside used as treatment for Hepatic Encephalopathy
NEOMYCIN
Aminoglycosides that do NOT work on Anaerobic conditions
an AMIrican GENeral STREP a NEOphyte’s BRA while TERAiding a NEPHRO’s OTO: AMIkacin, GENtamicin, STREPtomycin, NEOmycin, toBRAmycin, TERAtogen, NEPHROtoxicity, OTOtoxicity
Sulfonamide that blocks Dihydroteroate synthase (converts PABA to dihydrofolic acid)
SULFAMETHOXAZOLE
Sulfonamide that blocks Dihydrofolate reductase (converts dihydrofolic acid to tetrahydrofolic acid
TRIMETHOPRIM
Sulfonamide that acts as sequential blockade in folate synthesis, Urinary tract infections, SE: Hypersensitivity (SJS, TEN), Kernicterus, hemolysis in patients with G6PD
TRIMETHOPRIM- SULFAMETHOXAZOLE
Sulfonamide used as treatment for burn infections
SULFADIAZINE
Antiprotozoal for treatment of Toxoplasmosis
PYREMETHAMINE + SULFADIAZINE
2nd generation quinolone used as treatment for Urinary tract infections, SE: Tendinitis
CIPROFLOXACIN
3rd generation quinolone used for treatment of pulmonary infections
LEVOFLOXACIN (L for Lungs)
4th generation quinolone with broad spectrum activity and anaerobic coverage used for treatment of ocular infections
MOXIFLOXACIN (Bx: Legamox)
4th generation quinolone, SE: Diabetes Mellitus
GATIFLOXACIN
Side effect of Fluroquinolones
fluoroquinoLONES hut attachment to your BONES: CARTILAGE DAMAGE (Avoid giving to Pedia patients and Pregnant women
Antimycobacterial with Cidal action, inhibits Mycolic acid synthesis, SE: neurotoxicity, hepatotoxicity, sideroblastic anemia, drug- induced lupus, potent CYP450 inhibitor
ISONIAZID
Antimycobacterial with Static action, inhibits DNA- dependent RNA polymerase, SE: RED ORANGE URINE, hepatotoxicity, CYP450 Inducer
RIFAMPICIN
Antimycobacterial with Static action, inhibits arabinoglactan synthesis, SE: visual dysfunction (retrobulbar neuritis, color blindness)
ETHAMBUTOL
Antimycobacterial with Static action but Cidal action on actively dividing MTB, SE: hyperuricemia, hepatotoxicity (most)
PYRAZINAMIDE
Antimycobacterial with Cidal action, binds to 30S subunit, SE: nephrotoxicity, ototoxicity
STREPTOMYCIN
Side effects of Isoniazid
INH Injures Neurons and Hepatocytes
Side effects of Rifampicin
R = Rifampicin: Rna polymerase inhibitor, Red orange body fluids, Rapid development of resistance, Revs up cytochrome P450 (inducer)
Hepatotoxic Anti- TB Drugs
ISOlod sa RIF ang PYRit: ISONIAZID < RIFAMPICIN < PYRAZINAMIDE
Most active drug against M. leprae, inhibits folate synthesis, SE: Methomo- globinemia, hemolysis in G6PD deficiency
DAPSONE
anti TB drug used for Lperosy, Inhibits DNA- dependent RNA polymerase, SE: red orange urine, delays onset of Dapsone resistance
RIFAMPICIN
Drug used for treatment of Leprosy, with Phenazine dye, binds to guanine bases, SE: Skin discoloration
CLOFAZIMINE
Silver bullet against Gram- Negative bacteria, no Gram- positive activity, with PSEUDOMONAS COVERAGE
AZTREONAM
Beta- lactamase inhibitor
CLAVULANIC ACID
Antimicrobial used as treatment for MRSA, SE: Red Man Syndrome
VANCOMYCIN
Drug of Last Resort, Broad spectrum of activity, SE: CNS toxicity
MEROPENEM
Anaerobic and antiprotozoal coverage, treatment of pseudo- membranous colitis, SE: Disulfiram reaction, metallic tase, neurotoxicity
METRONIDAZOLE
Antimicrobial used as treatment for urinary tract infections, SE: Pulmonary fibrosis
NITROFURANTOIN
Drugs considered as Drugs of last resort
I AM your Last Shot at Victory: Imipenem, Amikacin, Meropenem, Linezolid, Streptomycin, Vancomycin
Most efficacious antifungal drug, forms artificial pores, SE: nephrotoxicity (RTA with K & Mg wasting, ATN), infusion related reactions (fever, chills, muscle spasm, hypotension)
AMPHOTERICIN B
Antifungal used as topical treatment of dermatophytosis and candidiasis, SE: gynecomastia, CYP450 inhibitor
KETOCONAZOLE
Antifungal used as prophylaxis and treatment of Candidiasis and Cryptococcosis, (+) on India ink preparation of CSF
FLUCONAZOLE
Interferes with fungal microtubules, SE: potent CYP450 inducer
GRISEOFULVIN
Treatment of Candidiasis (oropharyngeal, esophageal, vaginal), Swish and swallow or suppository preparations
NYSTATIN
Treatment of Herpes- Simplex Virus and Zaricella- Zoster Virus, requires activation by viral Thymidine kinase, SE: crystalluria
ACYCLOVIR (DC: Guanosine analogue)
Treatment of Cytomegalovirus, requires activation by viral thymidine kinase, SE: hematotoxic, neutropenia
GANCYCLOVIR
Treatment of Herpes- Simplex Virus, Varicella- Zoster Virus and Cytomegalovirus, DOES NOT require viral thymidine kinase activation
FOSCARNET (DC: Pyrophosphate analogue)
Prevents viral uncoating, with Influenza A coverage, SE: cerebellar dysfunction, livedo reticularis
AMANTADINE
Neuraminidase inhibitor, DOC: Influenza
OSELTAMIVIR
Antiviral used as treatment of Hepatitis B infection
LAMIVUDINE
Antiviral used as treatment of Hepatitis C and Respiratory Syncytial Virus
RIBAVIRIN
MOA for Amantadine
A MAN TO DINE takes off his COAT: AMANTADINE prevents UNCOATING; blocks influenza A and rubellA, causes problems with the cerebellA
Antiretroviral that is a nucleoside reverse transcriptase inhibitor (NRTI), requires phosphorylation, primary drug for HIV, prevents vertical transmission of HIV, SE: lactic acidosis
ZIDOVUDINE (AZT)
Antiretroviral that is a non- nucleoside reverse transcriptase inhibitor (NNRTI), no phosphorylation required, SE: hepatotoxicity
DELAVIRDINE
Antiretroviral that is a protease inhibitor, SE: fat redistribution syndrome, hyperlipidemia, insulin resistance
INDINAVIR
Antiretroviral that is a fusion inhibitor, binds gp41 subunit
ENFUVIRTIDE
Antiretroviral that is a binding inhibitor, CCR5 antagonist
MARAVIROC
Non Nucleoside Reverse Transcriptase Inhibitors (NNRTI)
Never Ever Deliver Nucleosides: Nevirapine, Efavirenz, Delavirdine
Protease Inhibitors
All Protease inhibitors end with -NAVIR: NAVIR (never) TEASE a proTEASE
Primary drug for Malaria, prevents heme polymerization into hemozoin, SE: retinal damage, hearing loss
CHLOROQUINE
Chloroquine- resistance, severe malaria, DOC: Pregnant patient with Malaria, SE: Hypoglycemia, Blackwater fever, Cinchonism
QUINIDINE
Antimalarial used for eradication of hypnozoites of P. vivax and ovale, “Radical Cure for Malaria”
PRIMAQUINE
Chemoprophylaxis (Chloroquine- Resistant Areas)
MEFLOQUINE, MALARONE
Chemoprophylaxis (MultiDrug- Resistant Areas)
DOXYCYCLINE
DOC: Malaria in the Philippines (P. falciparum)
CO-ARTEM
Antiprotozoal for asymptomatic carriers of E. histolytica
DILOXANIDE FUROATE
Antiprotozoal for Amebic dysentery, trichomoniasis, bacterial vaginosis, SE: Disulfiram reaction
METRONIDAZOLE
Antiprotozoal for Cryptosporidium parvum infection, Sx: Diarrhea in Immunocompromised
NITAZOXANIDE
Antiprotozoal for African Sleeping Sickness
SURAMIN + MALARSEPROS
Antiprotozoal for Chagas Disease
NIFORTIMOX
Antiprotozoal for Leishmaniasis
STIBOGLUCONATE
Treatment for Pneumocystis jeroveci infection
TRIMETHOPRIM- SULFAMETHOXAZOLE
Antihelminthic that inhibits helminthic microtubules, ovicidal
MEBENDAZOLE
Antihelminthic that inhibits helminthic microtubules, Ovicidal and Larvicidal, DOC: Hydatid Disease (Echinococcosis)
ALBENDAZOLE
Antihelminthic DOC: Filaria and Loa loa, SE: FILARIAL FEVER
DEC
Antihelminthic DOC: Strongyloides and Onchocerca, SE: MAZZOTTI REACTION
IVERMECTIN
Antihelminthic DOC: Enterobius
PYRANTEL PAMOATE
Antihelminthic DOC: Trichinosis
THIABENDAZOLE
Antihelminthic DOC: Trematodes and Cestodes EXCEPT Echinococcosis
PRAZIQUANTEL
Antihelminthic Back up drug for Praziquantel
NICLOSAMIDE
Sedative Hypnotic for Acute anxiety attacks, Anesthesia induction and preoperative sedation
MIDAZOLAM
Sedative Hypnotic for Seizure Disorders (Status epilepticus), Alcohol withdrawal, Tranquilizer
DIAZEPAM
Date- Rape Drug
FLUNITRAZEPAM
Antidote to Benzodiazepine overdose
FLUMAZENIL
Sedative hypnotic for anesthesia induction, lethal injection and truth serum
THIOPENTAL
Sedative hypnotic for seizure disorders in children, SE: precipitates porphyria, potent CYP450 inducer
PHENOBARBITAL
Abnormal sleep pattern resulting from the use of benzodiazepines
DECREASED REM SLEEP
Bezodiazepine with the longest Half- Life
CHLORDIAZEPOXIDE (36-200 hours, longest spelling)