Pharm atbx Word Scramble
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Question | Answer |
-Generalized tonic-clonic seizures and partial seizures. -low toxicity and low cost -metabolized by the hepatic microsomal system, MOA: (sedation) GABAA receptors. (Anticonvulsant): Ca++ channel inhibition /decreases excitatory transmitter release. | Phenobarbital |
- Generalized Tonic-clonic and partial seizures. -efficacy is due both to drug and active metabolites (Phenobarbital). -two active metabolites, phenobarbital and phenylethylmalonamide (PEMA) | Primidone (Mysoline) |
- Generalized tonic-clonic, simple, and complex-partial seizures. - trigeminal (tic douloureux) , glossopharyngeal neuralgias and manic-depressive affective disorder( resistant to lithium) pain associated with multiple sclerosis -Hepatic metabolism | Carbamazepine (Tegretol) |
-epilepsy, mood disorders, anxiety -analog of carbamazepine - active metabolite (10-hydroxycarbazepine) that is equipotent to carbamazepine - fewer SE’s that carbamazepine - hyponatremia -anticholinergic activity - synergistically with nmb | Oxcarbazepine (Trileptal) |
-central agent in treating absence seizures. - More effective in managing absence seizures than trimethadione SE : euphoria, anemia Bone marrow depression, Stevens-Johnson syndrome -Tegretol decreases levels. - Isoniazid increases levels. | Ethosuximide (Zarontin) |
-alone or in combination to treat partial and generalized seizures, bipolar disorder and depression - sodium channel antagonist and high voltage dependent Ca++ channels -decrease the release of aspartate and glutamate -met. by liver -hep enzyme induc | Lamotrigine (Lamictal) |
-used to treat partial sz in adults and neuropathic pain -mono- or adjunctive therapy -bind to synaptic vesicles decreasing release of NT -SE h/a, anxiety, CNS depression ,initial sedation, depression , hallucinations -no liver met or protein binding | Levetiracetam (Keppra) |
DOC for status epilepticus also used for status epilepticus, other sz - interaction with GABAA ionophore to increase the duration of GABA binding and -increase chloride flux leading to hyperpolarization - low toxicity - used as anesthesia adjuvant | Benzodiazepines Diazepam (Valium) Lorazepam (Ativan) |
-May also be used in combination with other drugs to tx: akinetic sz, absence sz refractory to succinimides or valproic acid (Depakene), infantile spasms -MOA: benzo-mediated enhancement of GABA-induced ^ in Cl- conductance (hyperpolarization). | Clonazepam (Klonopin) |
- Partial and tonic-clonic sz but NOT absence sz - widely used - Hep microsomal system. SE: status epilepticus the most apparent toxic sign is cardiac arrhythmia cerebellar and vestibular disturbances, hirsuitism -Etoh decreases efficacy. | Phenytoin (Dilantin) |
-a Phenytoin prodrug used by injection for status epilepticus (5 day max use, only if Phenytoin not usable) -more water soluble and metabolized to formic acid | Fosphenytoin (Generic) |
- Partial, generalized seizures and absence seizures -extensively protein bound and conjugated - MOA d/t ^^ recovery time of voltage activated Na+ channels. -Can cause serum phenobarbital to increase by 40%. | Valproic Acid (Depakene) |
-adjunct for partial and generalized seizures, obesity, migraines and Parkinson’s disease -acts at GABAA receptor to enhance GABA binding - blocks voltage-gated T-type calcium channels -metabolism can be inhibited by ketoconazole, carbamazepine(Tegreto | Zonisamide (Zonegran) |
-adjunct for partial sz, anxiety disorders (panic attacks), and neuropathic pain - inhibits GABA neuronal reuptake -^^ duration of GABA interaction at receptor zone - ^^ neuronal inhibition -use may actually trigger sz in non-epileptics | Tiagabine (Gabitril) |
-tx partial, generalized, absence sz, bulimia, migraine h/a, tremors -structurally a monosaccharide r/t fructose - inhibit voltage gated Na and Ca channels - enhances GABA Cl ion flux -inhibits glutamate induced neuronal excitation - SE kidney ston | Topamax |
-no longer the clinical agent of choice for absence seizure due to toxicity. MOA: Similar to ethosuximide (Zarontin) -inhibits T-type Ca++ currents. -metabolite Dimethadione. | Trimethadione (Tridione) |
-Structural analog of GABA -chronic pain therapy -MOA: increase GABA synthesis, -increase interaction with GABA receptors -decrease GABA reuptake rate -1/2 life 6 hours No plasma protein binding | Gabapentin (Neurontin) |
• Cross links DNA (cant divide). • DLT is bone marrow dep • Uses: Hodgkin’s lymphomas, leukemias, lung breas, ovarian ca, burkitt’s lymphoma • agent for kids w/ neuroplastomas/ Retinoblastomas • used in combo w/ methorexate + 5-fluorouracil for breast | Alkylating Agent: Cyclosphoshamide (cytoxan) |
• MOA: DNA crosslink • Uses: CML and polycythemi vera • DLT; Bone marrow dep. • SE: alopecia, lung fibrosis, impotence • causes myelosupression (granulocytes > plts, erythrocytes >pancytopenia • no cytotoxicity to lymphoid tissue or GI epilthelium | Alkylating agent: Busulfan (myleran) |
• Inhibit topisomerase II • Bind to DNA to inhibit DNA/RNA synthesis • O2 radical production • DLT for doxorubin and saunorubicin is CM (d/t O2 radicals) • Bone marrow dep in 2 weeks, recovery in 4 weeks. More severe w/ dexrazoxane | Antibiotic anticancer agents: Anthracyclines Doxorubicin, Daunorubicin, and others) |
• Uses: soft tissue osteogenic an other sarcomas; lungs, bladder, ovarian, thyroid cancers; Hodgkin, lymphoma, acute leukemia • If given to rapidly IV, erythematous streaking along proximal veins • Chelates iron and other metals | Doxorubicin (adriamycin) |
• uses: acute leukemias, some solid tumors in children. • Daunoxome approven 1st line therapy for advance Karposi sarcoma | Daunorubicin (Daunomycin) |
Cu-chelating glycopeptides, isolated from streptomyces • MOA: breaks DNA strands >Free radicals • DLT: Pulmonary fibrosis • Uses: testicular tumors, skin cancers, lung, Kaposi’s sarc. lymphoma, Hodgkins • SE: N/V fever, skin toxicity, anaphylactic rx | *Bleomycin Antibiotic anti cancer agent |
anaolog of folic acid. • Uses ALL in kids, carc. of breast, head, neck, gastric, bladders. used in high doses for osteogenic sarcomas along w/ "rescue” of host toxicity by leucovorin (folinic acid, citrovorum fx). • DLT is mucositis. • TERATOGENIC | Anti metabolic anti cancer agent: *Methotrexate; |
Analog of uraciil w/ flourine @ 5-position • cells can be “rescue from high doses by giving uridine • Methotrexate ^^ activity • Use stomach, colon, bladder, prostate, breast, and ovarian ca, • Warning of ^ dose= anorexia, nausea, > stomatitis & diar | *5-Fluorouracil |
• Isolated from the periwinkle plant. • MOA; spindle poisons, causes mitotic arrest at metaphase. • May need allopurinol to prevent hyperuricemia • Fatal if given intrathecally | Natural product anticancer Agents: *Vincristine (oncovin)t1/2=85hr Vinblastine (Velban)t1/2=25hr |
from the Pacific and European Yew Tree (Bark fungus) • MOA mitotic spindle poison. • Uses; breast head, lung ca, Kaposi sarcoma & restinosis (taxus). • Docetaxel & Carbazitaxel for prostate ca • SE: N/V alopecia, neutropenia, anemia, thrombocytopenia | Natural product anticancer Agents: Paclitaxel, Docetaxel (Taxotere), CArbazitaxel (Jevtana) |
MOA: after hydrolysis, loses Cl & forms platinum species that reacts w/ DNA & protein to from cross link. Use testicular tumors, ca. of bladder, neck, cervical, lung, esophagus, neuro & retinoblastomas SE: n/V, ototox neurotox, anaphylaxis DLT-nephrot | Natural product anticancer Agents: Cisplatin (Platinol) |
• Less nephrotoxic than cisplatin • 2nd generation compound • Uses: ovarian, head, neck and lung ca • DLT: bone marrow depression • Longer half life than cisplatin | Carboplatin. |
• Ethyl or Isopropyl • Iso more effective than Ethyl • Antiseptic and disinfectant • Bactericidal • Repeated wiping increases efficacy • Ineffective against fungal or viral organisms | . Alcohol |
• Benzalkonium and Cetylpyridinium • Effective against most bacteria, fungal and viruses. NOT mycobacterium tuberculosis • Mixed with alcohol to increase efficacy • Alters cell permeability • Also used as preservatives and to sterilize surgical equip. | Quatenery ammonia compounds |
Effective against bacterial, viral, and fungus • Toxicity fairly low, but caution in allergic pts. • Use as a skin antiseptic, but must be applied for 1-2 mins to assure good action • Causes skin staining, beneficial notification of application | . Iodine |
• Combination of an organic molecule carrier with iodine • Povidine-iodine most common agent • Free iodine concentration is low enough that little staining is observed • Not as effective as iodine • Used in handsoaps and surgical swabs | Iodophors |
• No longer used d/t easy absorption and severe dermatological, neurological, and possible teratogenic effects • Neonates especially susceptible • Handwash effective against gram+ bugs • Sticks to skin providing continued action • Presscript only for | Hexachlorophene (pHisoHex) |
• Used as a caustic astringent and antiseptic • Bactericidal, and often used in eyes of newborns of mothers with gonococcal infections • Used on burns and other wounds | Silver Nitrate |
• Mercurochrome & Merthiolate (Thiomersal) • Not used much now. Thiomersal used as preservative in a few vaccines • Poor efficacy • Allergic reactions and poisoning (oral) | Mercurous compounds |
1. Alcohol 2. Quatenery ammonia compounds 3. Iodine 4. Iodophors 5. Chlorahexidine (Hibiclens) 6. Hexachlorophene 7. Silver Nitrate 8. Mercurous compounds | Antiseptic |
• Effective against bacterial, viral, and fungal organisms • Glutaraldehyde more effective than formaldehyde • Requires several hours exposure for maximum effectiveness • Acts by precipitating proteins in the organism • Reacts with any proteins, | Aldehydes |
• Bactericidal against most organisms including Mycobacterium tuberculosis • A phenol derivative, it causes burns to skin, therefore is only used as a disinfective | Cresol |
• Used in Gas sterilization • Requires a treatment chamber to hold instruments for the several hour contact period required • Air-out plastic components sterilized by this method to allow ethylene oxide to out-gas from materila | Ethylene Oxide |
Alcohol Aldehydes Cresol Chlorine Ethylene oxide Heat | Disinfectants |
Bind to 30S subunit of bacterial ribosome & inhibit PRO synthesis by blocking the binding of aminoacyl tRNA to acceptor site (A) on the mRNA-ribosome complexà AA can’t be added to the growing peptide | Tetracyclines |
Irreversible inhibitors of PRO synthesis that bind to receptor PRO on 30S subunit à misreading of mRNA message -Gentamicin, Tobramycin, Amikacin, Streptomycin, Neomycin (Combined with polymixin as Neosporin), Kanamycin | Aminoglycosides |
Inhibits PRO synthesis & binds to the 30S subunit (doesn’t à misreading like AG’s do) | Spectinomycin (Trobicin) |
PRO synthesis inhibitor that reversibly binds to site on 50S subunit & inhibits translocation step where peptidyl tRNA moves from A site on the ribosome to P site & reversibly blocks PRO synthesis. | Macrolides - erythromycin (E-mycin), clarithromycin (Biaxin), azithromycin Zithromax) |
binds reversibly to 50S subunit of bacterial ribosomes & inhibits PRO synthesis (like macrolides) -lincomycin (Lincocin),clindamycin (Cleocin) | Lincosamides: -lincomycin (Lincocin),clindamycin (Cleocin) |
PRO synthesis inhibitor by reversibly binding to 50S subunit of bacterial ribosomes & inhibits transpeptidation by inhibiting peptidyl transferase. It prevents binding of AA end of aminoacyl tRNA to the acceptor site on 50S subunit. | Chloramphenicol |
Inhibits PRO synthesis by binding to bacterial 23S ribosomal RNA of the 50S subunit thus px formation of a functional 70S initiation complex, an essential step (unique MOA & doesn’t show cross resistance to other antibx) | Oxazolidione (Linezolid) |
Bind to 23S RNA of the 50S subunit (like macrolides); do not induce the methylase enzyme (so not subject to MLS resistance?) | Streptogramins |
Same as other B-lactam antibx: Disrupts synthesis of peptidoglycan layer of bacterial cell wall. Inhibits final stage of cell wall synthesis that involves peptide crosslinking by transpeptidases; structural analog of d-ala d-ala | Penicillins |
Parenterals: methicillin and Nafcillin, Oral: Isoxazolyls | Penicillinase-Resistant Penicillins |
Carboxypenicillins (ticarcillin disodium(Timentin – with clavulanic acid) , Ureidopenicillins (piperacillin) | Antipseudomonal |
Same as other B-lactam antibx: Disrupts synthesis of peptidoglycan layer of bacterial cell wall. Includes 1st, 2nd, 3rd, and 4th generations | Cephalosporins |
Oral:Cephalexin (Keflex),Cefadroxil Parenteral: Cefazolin (Ancef, Kefzol) | 1st gen. Cephalosporins |
Oral:Cefaclor (Ceclor, Raniclor),Cefuroxime axetil (Ceftin),Cefprozil Parenteral:Cefoxitin (Mefoxin) Cefuroxime sodium (Zinacef) Cefotetan (contains N-methylthiotetrazole group) | 2nd gen. Cephalosporins |
Oral: Cefixime (Suprax) Cefpodoxime proxetil Ceftibuten (Cedax) Parenteral: Cefotaxime (Claforan) Ceftriaxone (Rocephin) Ceftazidime (Fortaz) | 3rd gen. Cephalosporins |
Cefepime (Maxipime) | 4th. Gen. Cephalosporins |
Inhibition of cell wall synthesis -Imipenem (available with cilastatin as Primaxin), Meropenem (Merrem), Doripenem (Doribax), Ertapenem (Invanz) | Carbapenems |
Same as other B-lactam antibx: Disrupts synthesis of peptidoglycan layer of bacterial cell wall. Begins with Mono. | Monobactam |
Inhibits cell wall synthesis (peptidoglycan synthesis) by irreversibly binding to the pair of d-ala molecules of cell wall precursor units | Vancomycin |
Inhbits cell wall synthesis by binding to a precursor of cell wall& forming unusable complex; acts 1 step before the one inhibited by vancomycin | Bacitracin |
Inhibits early stage of cell wall synthesis; inhibits enolpyruvyl transferase & irreversibly blocks condensation of UDP-N-actely glucosamine w/p-enolpyruvate; inhibits bacterial adherence to uroepithelial cells | Fosfomycin Tromethamine (Monurol) |
PABA analog that competitively inhibits DHPS which is required for folic acid synthesis; it only affects bacteria that synthesize own folic acid | Sulfonamides (Sulfamethoxazole, Sulfisoxazole, Sulfadiazine,Sulfacetamide, Sulfamylon, Silvadene Trimethoprim-Sulfamethoxazole (Bactrim, Septra) |
Nitro group activated by intracellular electron transport PRO in anaerobic organism to chemically reactivate intermediates that react with DNA & can> ↑ degradation of existing DNA, altered DNA helical structure, ↑ strand breaks, & inhibition of DNA syn. | Metronidazole (Flagyl) |
anoxic or hypoxic condition is required for formation of cytotoxic metabolites) | Metronidazole (Flagyl) |
Surface active agents that disrupt osmotic properties and transport mechanisms of cell membranes in gram – bacteria only; also binds & inactivates endotoxins | Polymixins |
Reversibly binds to bacterial isoleucyl-tRNA synthase & blocks PRO synthesis | Mupirocin (Bactroban) |
Inhibits DNA gyrase which is a topoisomerase responsible for breaking & rejoining DNA strands necessary for DNA replication -ciprofloxacin ophthalmic (CILOXAN), ofloxacin , etc | Fluoroquinolones ciprofloxacin (CIPRO) ophthalmic (CILOXAN), ofloxacin ophthalmic (OCUFLOX), norfloxacin (NOROXIN),lomefloxacin, Levofloxacin (LEVAQUIN), Gatifloxacin (Zymar - ophthalmic), Moxifloxacin (Avelox) |
Similar to the Macrolides, keto group a 3 position instead of a hydroxyl group and removal of a sugar group, binds to the 50s bacterial ribosomal subunit -Telithromycin (Ketek) (oral tablets) | Ketolides |
Hydrolyzed in acidic urine to formaldehyde and ammonia, Formaldehyde is bactericidal in urine ph < 5.5, Used for chronic lower UTIs. Activity is higher in acid urine, Primarily used to px UTIs and to px bacteriuria after prostatectomy, urinary analgesic | Urinary tract Antiseptics: Methenamine (Hiprex), Nitrofurantoin (Furadantin), Hemolytic anemia (if G6PD-deficient) |
Not DOC for anything (alone) | Sulfa |
DOC for prevention of burn infections | Silver Sulfadiazine |
DOC for empiric treatment of acute UTI, Nocardia, moraxella catarrhalis, H. flu, Yersinia enterocolitica | Trimethoprim + sulfamethoxazole (Bactrim, Septra) 5:1 SMZ:TMPà [blood] ratio of 20:1 |
Listeria monocytogenes | Ampicillin |
Proteus mirabilis, Eikenella corrodens | AminoPCN (ampicillin, amoxicillin) |
1 of DOC for pseudomonas aeruginosa | Ticarcillin + aminoglycoside |
DOC for syphilis | PCN |
Antbx for Rheumatic recurrence | Use Pen V or benzathine Pen G |
DOC Endocarditis prevention if valvular disease undergoing dental/surgical procedures | PO DOC= amoxicillin 1 hour before procedure Parenteral DOC= ampicillin 30 min before procedure |
Typhoid fever DOC | ceftriaxone |
Gonorrhea DOC | Ceftriaxone or cefixime |
DOC for enterobacteriaceae (E. coli, Klebsiella, Proteus, Providencia stuartii, Serratia | 3rd gen. Cephalosporins |
Drug used for H. flu meningitis | Ceftriaxone or cefotaxime |
Drugs used for Surgical Prophylaxis | Cefazolin- ‘clean’ surgery Cefoxitin or cefotetan- colorectal surgery, appendectomy, hysterectomy, or ‘dirty’ surgery |
DOC for Enterobacter, Citrobacter freundi, Acinetobacter, C. fetus | Imipenem |
Reserved for very serious gram- infections resistant to less expensive drugs | Azactam |
DOC for mycoplasma pneumo (or a TCN), legionella pneumophila (+ rifampin), bordetella pertussis, corynebacterium diptheriae, campylobacter jejuni (if fluoroquino are c/i) DOC valvular heart disease undergoing dental/surgical procedures & allergic to PCN | Macrolides |
DOC for helicobacter pylori (TCN+ flagyl+ bismuth subsalicylate). Also useful for rickettsial, mycoplasmal, spirochetal, chlamydial. | tetracyclines |
DOC for UTI due to pseudomonas aeruginosa | ciprofloxacin (fluoroquinolone) |
DOC for campylobacter jejuni, shigella, salmonella, | Fluoroquinolones |
DOC for rickettsial disease (Rocky Mountain spotted fever) if unable to take TCN (↓ renal fxn, pregnant, peds), glanders (w/streptomycin), N. Meningitis & H. influenzae meningitis if PCN allergic | Chloramphenicol |
DOC w/TCN for glanders (pseudomonas mallei) | Streptomycin |
Used to tx vancomycin resistant enterococcus faecium, community acquired pneumonia d/t staph aureus, streptococcus penumoniae, & skin infections (even those d/t MRSA) | Zyvox |
DOC for MRSA | Vancomycin |
DOC for giardiasis (anaerobic protozoa); DOC for C. difficile & H. pylori (PO form only); DOC for gardnerella vaginalis | Flagyl |
Bacteriocidal antibiotics | PCN, cephalosporins, carbapenems, fluoroquinolones, flagyl, monobactam, aminoglycosides, fosfomycin |
Bacteriostatic | sulfamides, macrolides, lincosamides, tetracyclines, chloramphenicol, Zyvox, Vancomycin, spectinomycin |
SE: -metallic taste & neurotoxicity (neuropathies, dizziness, convulsions, vertigo)à c/I in active CNS disease -disulfram like rxn with ETOH -Reddish brown urine, reversible neutropenia -may potentiate warfarin; may potentiate lithium toxicity | Flagyl |
SE: -rapid infusion à ‘red neck’ syndrome = flushing over upper chest, urticarial rash, tachycardia, hypotension d/t histamine release -ototoxicity & nephrotoxicity- especially if renal impairment | Vancomycin |
-it’s a weak MAOI (avoid tyramine rich foodsà HTN crisis) | Zyvox |
-all s/e are dose-dependent except hypersensitivity (which is rare) -ototoxicity (its irreversible b/c sensory hair cells do not regenerate) *auditory toxicity: can lead to deafness *vestibular toxicity: h/a, n/v, vertigo, ataxia | aminoglycosides |
SE: -nephrotoxicity: ↑BUN & Crt; its reversible since proximal tubular cells can regenerate Drug: dose or duration (streptomycin least nephrotoxic, gentamicin most nephrotoxic) Patient: age extremes, & critically ill pts | Aminoglycosides |
-Neuromuscular blockade: inhibits presynaptic Ach release @ NMJ & ↓ postsynaptic receptor sensitivity; characterized as respiratory depression; patients with myasthenia gravis or hypocalcemia > susceptible; potentiation w/NMBD | Aminoglycosides |
SE: -Most adverse effects d/t inhibitory effect on PRO synthesis in mitochondria -Bone marrow disturbances *toxic erythroid bone marrow depression- (dose related) usually have complete recovery after d/c’d | Chloramphenicol |
SE: aplastic anemia- (not dose related) irreversible & fatal -Gray Baby Syn.- 40% fatality; turns skin ash gray - use w/caution in babies & limit dose -irreversible inhibition of liver microsomal P450 enzymes > ↑t1/2 warafin, phenytoin, etc. | Chloramphenicol |
-rare & infrequent s/e -cartilage deterioration (arthropathy) in young animals so c/I in kids < 18y/o or during pregnancy or nursing -Ofloxacin (Floxin) may potentiate anticoagulant activity of warfarin | fluoroquinolones |
-GI effects (take with food and a full glass of H2O) -superinfections much more common d/t broad spectrum -Hepatotoxicity (especially if pregnant- so c/I during pregnancy) -Renal toxicity (r/t TCN used, dose, duration, & extent of renal damage before u | tetracyclines |
-binds to Ca2+ deposits in new forming bone & teeth à permanent brown discoloration of teeth in kids <8y/o & depression of bone growth (so c/i in pregnancy and peds) -Vestibular toxicity with minocycline (abates after d/c’d) | tetracyclines |
-Benign intracranial HTN in adults (pseudotumore cerebri) manifested as H/A, blurred vision, bulging fontanels -Can ↓ prothrombin activity (so may need to decrease dose of anticoagulants) -↓ effectiveness of oral contraceptives | tetraclyclines |
-High incidence of diarrhea & pseudomembranous colitis not r/t dose or route (caused by necrotizing endotoxin) | lincosamides |
-Inhibits cytochrome P450 enzymes>↑ effects of drugs such as anticoagulants, carbamazepine, cyclosporine, ergotamine, triazolam, lovastatin, theophylline -Cholestatic jaundice in adults may be d/t hypersensitivity to estolate ester (dont use if pregnant | macrolides |
-high doses> transient reversible hearing impairment -rare reports of ventricular arrhythmias in patients w/ prolonged QT interval | macrolides |
T or F. The Monobactam, Azactam is ok to use if PCN allergic; can >gram+ superinfections | True |
T or F. -If PCN allergic, consider also allergic to imipenem Can cause seizures: especially if elderly, predisposed to seizures, or high doses with renal impairment (meropenem least likely) | True |
-Cefotetan & Cefoperazone: contain N-methylthiotetrazole group that can be cleaved & inhibit Vit K metabolism & aldehyde dehydrogenase > hypoprothrombinemia, bleeding disorders, & disulfiram-like rxn | Cephalosporins |
-Pseudomembranous colitis & superinfections (especially with 3rd generation); candidiasis is common | Cephalosporins |
-CarboxyPCN: high Na+ content > CHF -Carbenicillin: abnormal platelet aggregation & bleeding -Intrathecal PCN: epileptogenic (never give IT) | PCN |
-Toxic concentrations of all PCN possible if patient renally impaired > seizures -Ampicillin rash: not a hypersensitivity rxn -Jarisch-Herxheimer rxn: if used in patients with secondary syphilis | PCN |
-may be antagonized by LA with are esters of PABA (procaine) -toxic epidermal necrolysis & Stevens-Johnson syndrome if hypersensitivity rxn occurs | Sulfa |
SE: -hepatic necrosis -blood dyscrasias (agranulocytosis, aplastic anemia, hemolytic anemia) -Mafenide: metabolic acidosis d/t inhibition of carbonic anhydrase -Bactrim or Septra: CNS toxicity in AIDS patients | sulfa |
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