Drugs 2 Flashcards
Chloramphenicol AE
Aplastic anemia and bone marrow suppression
DOC for meningitis
Chloramphenicol
Excellent penetration of BBB
Deficiency of glucose-6-phosphate dehydrogenase results in
Oxidative damage due to lack of glutathione
Results in hemolytic anemia
Isoniazid ( INH) mechanism of action
Inhibit synthesis of mycolic acid required for mycobacteria tuberculosis cell wall
Primaquine
Treats malaria
Clears hypnozoites, which are the dormant form found in liver
Nitrofurantoin
Used in treating UTIs
Phenytoin uses
For complex partial seizures
General tonic clonic seizures
And is a class IB antiarrhythmic
Works by blocking Na+ channels
Can cause megaloblastic anemia
Methotrexate (MTX) mechanism
Inhibits folic acid synthesis by blocking
DIHYDROFOLATE REDUCTASE (DHFR)
Which mediates dihydrofolate->tetrahydrofolate
Erythromycin class Adverse effects
A macrolide (blocks protein synthesis by preventing tRNA transfer from A site to P site)
Acute hepatitis and jaundice
Torsades de pointes
Ampicillin mechanism
Blocks Transpeptidase enzyme. Prevents cell wall synthesis.
AE include pseudomembranous colitis
Gynecomastia
Commonly caused by what drugs
Spiromolactone Digitalis Estrogen Ketoconazole (anti fungal) Cimetidine (histamine H2 receptor blocker)
Causes gout
Furosemide (loop diuretic)
Thiazide (diuretic, proximal tubulal)
Cyclosporine
Function & mechanism
Prevents graft vs host disease
By inhibiting synthesis of IL2 thus suppressing CD8 activation
Colchicine use
Treat gout
Fibrates mechanism
Induces synthesis of Lipoprotein Lipase
Statins mechanism
Competitive inhibitor of HMG-CoA Reductase
Inhibits cholesterol synthesis
Tetracycline DOC for
Chlamydia Rickettsia Spirochetes (syphillis) Anthrax Plague
Carbamazepine
Function
AE
Anticonvulsant Mood stabilizing (ADHD, schizophrenia)
Steve Johnson’s rash
Agranulocytosis
Lamotrigine function
Anticonvulsant
Mood stabilizer
Only type of seizure phenobarbital is not used for
Absence seizures
Cyclosporine main side effect
Nephrotoxicity
Prostaglandin analog Abortifacients
PGE1: alprostadil
PGE2: dinoprostone
PGF2: carboprost
Prostacycline is
PGI2
Platelet stabilizer
Vasodilator