medications and vaccines Flashcards
amphotericin B
treats systemic mycoses,
causes nephrotoxicity (renal tubular dysfunction)
failed vaccine
-decreased production of naive B and T lymphocytes
-loss of telomerase length in the elderly
-naive cells can’t differentiate into memory cells
clauvulanic acid
-beta lactase inhibitor
-decreases amoxicillin cleavage by bacterial cells
-allows abx to retain its efficacy
drugs that cause aplastic anemia
Can’t Make New Blood Cells Properly
-carbamazepine
-methimizole
-nsaids
-benzene
-chloramphenical
-propylthiouracil
inducers of CYP450
-phenytoin
plasminogen activators
-streptokinase
alteplase
tissue plasminogen activator
streptokinase inhibitor
aminocaproic acid
thrombin (IIa) inhibitors
-heparin (with antithrombin III)
-LMWH
-argatroban
-dabigatran
-bivalirudin
anti Xa inhibitors
-LMWH
-fondaparinux
-enoxaparin
-apixaban
but goal is to decrease prothrombin to thrombin
desmopressin
- increases circulating vonwillibrand factor
(bridge between platelets and exposed endothelium)
EPO
-activates Jak/Stat2
-transcription -> inhibits apoptosis otherwise clonal proliferation
Should see increased retic count
infliximab
- mAB to TNF alpha
-treats rheumatoid arthritis and Crohn’s disease - can develop antibodies against tnf alpha
bleomycin
- induces free radical formation and DNA strand breaks
-causes pulmonary fibrosis
nitrites
-treat cyanide poisoning due to inducing methmeglobinemia
drugs that cause megaloblastic anemia
- hydroxyurea
- phenytoin
-methotrexate
-sulfa drugs
my pills huge size
cladribine
treats hairy cell leukemia
vitamin A treats
APML
imatinib or dasatinib
treats CML
SGLT2 inhibitors
canagliflozin, dapagliflozin
cholestyramine
upregulates hepatic LDL receptors
bile acid binding agent
long acting insulin
glargine, detamir, degludec
short acting insulin
aspart, lispro, glulisine
metaclopramide
D2 receptors in gut
- can cause de novo parkinsons
ranitidine
H2 receptor blocker, inhibits gastric acid secretion (Zantac)
chlorpheniramine
first generation antihistamine
azoles
inhibits synthesis of ergosterol
baclofen
GABA b agonist
treats muscle spasicity and cerebral palsy
tetrabenazine
dopamine depletion, treats tourettes
bisacodyl
stimulates enteric nerves to improve peristalsis in gut
cromolyn
inhibits mast cell degranulation and release of preformed chemical mediators
sudan III stain
tests fat absorption in stool
naloxone
-treats opiod overdose
-competitively binds to cell surface receptors
carbolfuscion stain
tests for mycolic acid
thiazide diuretics
inhibits Na,CL cotransporter in DCT
P2Y12 inhibitors
clopidogrel, prasugrel, ticlopidine, ticregalor
direct GpIIbIIIA inhibitors
abciximab, eptifibatide, tirofiban
mecA gene
encodes penicillin binding protein
sofosbufir and ledispavir
inhibits viral genome replication and assembly
integrase inhibitors
inhibits production of viral mRNA
isoniazid
- inhibits mycolic acid synthesis
- only active against mycobacteria
- causes bacteria to lose acid fastness so they can’t synthesize new cell walls or multiply
bosentan
endothelin receptor antagonist (blocks vasoconstriction)
used in pulmonary hypertension
valproate
-treats manic features like bipolar and seizure disorders
-blocks voltage gated Na channels and enhances availability of GABA
major basic protein
released from eosinophils
etanercept
-soluble receptor decoy protein
-TNF alpha inhibitor
where does lithium act on the kidneys
affects principal cells of the collecting duct
fibrates
inhibit cholesterol 7alpha hydroxylase which catalyzes the rate limiting step in synthesis of bile acids, favors formation of cholesterol stones
beta blockers
prolong the PR interval
slow AV nodal conduction
morphine
renal cleared, so failure increases the sedative effets
blue colored vision
slidenafil, and other PDE5 inhibitors (erectile dysfunction).
Initial vaccination
Generates an early IgM response by short lived plasma cells following a delayed onset longer lasting IgG response due to T cell dependent class switching.
Secondary response is rapid and sustained IgG response with short term muted IgM
fluoroquinolones
-inhibit dna gyrase
-can form insoluble complexes with polyvalent cations and impaired absorption leading to decrease drug bioavailability. seen with over the counter antacids containing calcium, magnesium and aluminum salts in osteoporosis treatment
defect in extracellular processing of collagen
n-terminal peptide removal
rate limiting step of heme pathway
ALA synthase
warfarin adverse reaction
due to protein c and s blockage, can cause rash
linezolid toxicities
-diminished color perception
-optic neuropathy
peripheral glove and stocking neuropathy
-thrombocytopenia
- MAOI inhibitor and can precipitate serotonin toxicity
linezolid
inhibits protein synthesis by binding 50s ribosomal protein subunit, blocks formation of initiation in translation
treats MRSA
vancomycin resistent staph epidermidis
trimethoprim-sulfamethoxazole toxicity
hyperkalemia
which pathway does Growth hormone activate?
jak stat
treat organophosphate toxicity with
atropine
treat benzodiazepine overdose with
flumazenil
IL6 monoclonal antibody drug
tocilizumab
opiod adverse reaction
mast cell degranulation and itching
zidovudine
-nucleoside reverse transcriptase inhibitor that inhibits phosphodiesterase bond formation
- used to prevent maternal to fetal transmission of HIV
can be resistant to aminoglycosides because it catalyzes transfer of acetyl groups to exogenous substances
pseudomonas
treat beta blocker overdose
glucagon
metformin
decreases hepatic gluconeogenesis, increases muscle glucose uptake, no effect on insulin production
class of medications that inhibits prostaglandin synthesis
nsaids
class of medications that cause abdominal distention and fat redistribution
anti retroviral therapy
medication that can trigger gout flare up
diuretics - hyperuricemia from relative volume depletion
tazobactam
beta lactamase inhibitor
phentolamine
alpha receptor blocker
Adverse reaction HIV medication associated with B27 allele
Abacavir hypersensitivity reaction
Most important source of protection in flu
Anti hemagluttinin antibodies
How to treat cyclophosphamide hemorrhaging cystitis
Mesna
How to treat methotrexate immunosuppresseion
Leucovorin
Doxorubicin side effect
Dilated cardiomyopathy
anti topoisomerase I antibody
scleroderma
cancer with the highest incidence
breast cancer
cancer with highest mortality
lung cancer
migratory thrombophlebitis should raise suspicion for
visceral cancer
doxycycline
inhibits bacterial protein synthesis
side effect of trimethoprim-sulfamethoxazole
hyperkalemia
P450 and griseofulvin
Inducer
isoniazid can result in
sideroblastic anemia
- decreased activity of delta aminolevulanic acid synthase
Patiremer
Exchanges calcium for potassium in colon
neostigmine
acetylcholinesterase inhibitor, increases acetylcholine at the NMJ
anti-HBs
Confers long term immunity, seen in virally cleared patients and vaccine response
cell that predominates in PPD skin test
macrophage
Aminoglycosides in pregnancy
Causes ototoxicity
Ace inhibitors and pregnancy
Renal failure, oligohydramnios, under developed skull
Lithium toxicity in pregnancy
Ebstein anomaly
Tetracyclines in pregnancy
Discolored teeth, inhibited bone growth
organophosphate poisoning
DUMBBELLS (diarrhea, urination, miosis, bronchorrhea, bronchospasms, emesis, lacrimation, laxation, sweating/salivating
organophosphate mechanism of action
acetylcholinesterase inhibitor -> so signs of cholinergic excess
capsofungin
anti fungal agent that blocks synthesis of the cell wall - glucan- treats candida and aspergillosis
ornithine transcarbamoylase
in the urea cycle
K1 capsular antigen
e coli virulence factor in meningitis
keloid
over activation of TGF beta
Rotavirus
blunting of the vili in the duodenum and jejunum, segmented RNA virus
monitor the ____ with testosterone replacement therapy
hematocrit
Epinephrine and allergy
Inhibits mast cell degranulation
Blocks release of acetylcholine at the NMJ leading to flaccid paralysis
Botulism toxin
UV rays
create pyrimidine (C or T) dimers
severe toxicity of osmotic diuretics
pulmonary edema
motivational interviewing
- open ended questions are best
- ilicit an intrinsic desire to change the behavior
entry receptor for rabies
muscarinic acetylcholine receptors
Naltrexone
Blocks the mu opioid receptor, first line for alcohol disorder
type of vaccine that’s rabies
inactivated vaccine
medications that cause gout
diuretics, salycilates, ace inhibitors, cyclosporine
buprenorphine
partial mu agonist - results in a therapeutic ceiling
painless gross hematuria
bladder cancer
basal cell carcinoma histology
epidermal keratinocytes
pralidoxime
cholinesterase reactivating agent, in organophosphate poisoning first you give atropine to stop the cholinergic toxicity, then there will be muscle weakness so give pralidoxime
Aminoglycosides are synergistic with
Penicillin
Macrolide mechanism of action
Inhibits the 50s subunit of the ribosome
Acyclovir is activated by
Thymidine kinase
Gancyclovir inhibits
DNA polymerase (not thymidine kinase)
Rasburicase
Treats and prevents tumor lysis syndrome
demyelinating infection of the skin and nerves
leprosy
Lynch syndrome
nucleotide mismatches that escape repair
types of live vaccines
Measles, mumps, rubella
Rotavirus.
Smallpox.
Chickenpox.
Yellow fever.
corticosteroids on the skin cause
dermal atrophy
oseltamivir
neuraminidase inhibitor, inhibits viral release of particles
CYP450 inducers
phenytoin, carbamazepine, St. John’s wart, rifampin
Cadherins
Part of the desmosome
Claudins and occludins
Part of tight junction
Connexons
Part of gap junctions