Pharm Flashcards
What is the equation for Volume of distribution?
Vd = amount of drug in body/plasma drug concentration
What is the equation for half-life?
t 1/2 = (0.693 x Vd) / CL
What is the equation fro clearance?
CL = rate of elim/ plasma drug conc = Vd x Ke
What is the equation for loading dose?
Loading dose = (Cp x Vd) / F
What is the equation for maintenance dose?
Maintenance dose = (Cp x CL x tau) / F = Css x CL
What drugs cause coronary vasospasm?
Cocaine, sumatriptan, ergot alkaloids, amphetamines
What drugs cause cutaneous flushing?
VANC: Vancomycin, Adenosine, Niacin, Calcium channel blockers
What drugs cause dilated cardiomyopathy?
Doxorubicin, daunorubicin
What drugs cause Torsades de pointes?
Class III and class IA antiarrhythmics, macrolide antibiotics, antipsychotics, TCAs, antimalarial
What drugs cause hot flashes?
Tamoxifen, clomiphene
What drugs cause Hypothyroidism?
Lithium, Amiodarone, Sulfonamides
What drugs cause hypoglycemia?
Tacrolimus, Protease inhibitors, Niacin, HCTZ, B-blockers, Corticosteroids (Taking Pills Necessitates Having Blood Checked)
What drugs cause gynecomastia?
Spironolactone, Ketoconazole, estrogens, cimetidine, alcohol, marijuana
What drugs cause acute cholestatic hepatitis, jaundince?
Erythromicin
What drugs cause diarrhea?
Metformin, Erythromycin, Colchicine, Orlistat, Acarbose (Might Excite Colon On Accident)
What drugs cause Focal to massive hepatic necrosis?
Halothane, Amanita phalloides, Valproic acid, Acetaminophen (Liver “HAVAc”)
What drug can cause hepatitis?
INH
What drugs can cause pancreatitis?
Didanosine, Corticosteroids, Alcohol, Valproic acid, Azathioprine, Diuretics (Drugs Causing A Violent Abdominal Distress)
What drugs cause agranulocytosis?
Dapsone, Clozapine, Carbamazepine, Colchicine, Methimazole, Propylthiouracil (Drugs CCCrush Myeloblasts and Promyelocytes)