NAPLEX Flashcards
Aminophylline conversion
Aminophylline x 0.8 = theophylline
Elemental iron in FeSO4
20%
1 ppm
1 mg/L
1 ppb
1 mcg/L
High risk waist size
> 40” (men), >35” (women)
BMI formula
kg/m2
BMI underweight
<18.5
BMI normal
18.5-24.9
BMI overweight
25-29.9
BMI obese
> 29.9
IBW formula (men)
50 kg + 2.3 kg for every inch >5 ft
IBW formula (women)
45.5 kg + 2.3 kg for every inch >5 ft
SCr normal range
0.6-1.2 mg/dL
BUN:SCr ratio
> 20 indicates dehydration
CrCl formula
[(140-age)/(72 x SCr)] x kg, x 0.85 if female
CrCl levels
<15 = renal failure/dialysis, 15-29 = severe deficiency, 30-59 = moderate, 60-90 = mild
Specific gravity
g/mL
BSA formula
sq. root of: (cm x kg)/3600
Dextrose kcal
3.4 kcal/g
Amino acids kcal
4 kcal/g
10% lipid emulsion kcal
1.1 kcal/mL
20% lipid emulsion kcal
2 kcal/mL
K+ normal range
3.5-5 mEq/L
Corrected Ca formula
Ca + [(4-alb) x 0.8]
Max total Ca & phosphate
45 mEq/L
Osmolarity of blood
~300 mOsmol/L
Osmolarity formula
mOsmol/L = (g/L)/(MW) x #species x 1000
mols formula
mols = g/MW
mmols formula
mmols = mg/MW
mEq formula
mEq = (mg x valence)/MW or mEq = mmols/valence
mEq of KCl 10% liquid
20 mEq/15 mL
Celsius to Fahrenheit conversion
C = (F-32)/1.8
Elemental Ca in calcium carbonate
40%; absorption is acid-dependent, so take with food
Elemental Ca in calcium citrate
21%; absorption is not acid-dependent, so can be taken with or without food
RBC life span
120 days
Platelet life span
7-10 days
ANC & clozapine
Do not dispense if <2000; normal range is 2200-8000/uL
Anion gap formula
[Na+] - [Cl + HCO3]; high is >12 mEq/L
pH formula for acid
pH = pKa + log(salt/acid)
pH formula for base
pH = 14 - pKb + log(base/salt) or pH = pKa + log(base/salt)
Hydrocodone/APAP
Vicodin, Lorcet, Lortab, Norco, Zydone (opioid/analgesic)
Simvastatin
Zocor (statin)
Lisinopril
Zestril, Prinivil (ACEI)
Levothyroxine
Synthroid
Azithromycin
Zithromax, Z-Pak, AzaSite (macrolide)
Amoxicillin
Amoxil, Moxatag (amino-PCN)
Amlodipine
Norvasc (CCB)
Omeprazole
Prilosec (PPI)
Alprazolam
Xanax, Niravam (BZ)
Metformin
Glucophage, Glumetza, Riomet, Fortamet (biguanide)
HCTZ
Thiazide diuretic
Zolpidem
Ambien (hypnotic)
Atorvastatin
Lipitor (statin)
Furosemide
Lasix (loop)
Sertraline
Zoloft (SSRI)
Citalopram
Celexa (SSRI)
Ibuprofen
Advil, Motrin (NSAID)
Oxycodone/APAP
Percocet, Endocet, Roxicet (opioid/analgesic)
Prednisone
Deltasone (steroid)
Metoprolol tartrate
Lopressor (BB)
Tramadol
Ultram, Ryzolt (opioid)
Metoprolol succinate
Toprol XL (BB)
Atenolol
Tenormin (BB)
Gabapentin
Neurontin (anticonvulsant)
Fluticasone propionate
Flovent, Flonase (steroid)
Montelukast
Singulair (leukotriene inhibitor)
Clonazepam
Klonopin (BZ)
Cyclobenzaprine
Flexeril (muscle relaxer)
Ciprofloxacin
Cipro (FQ)
Lorazepam
Ativan (BZ)
Clopidogrel
Plavix (ADP inhibitor)
Test for CYP2C19 genotype (converts drug to its active metabolite)
Lisinopril/HCTZ
Zestoretic, Prinzide (ACEI/thiazide)
Fluoxetine
Prozac, Serefem, Selfemra (SSRI)
Amox/Clavulanate
Augmentin
Albuterol
ProAir HFA, Ventolin HFA, Proventil HFA (SABA)
Warfarin
Coumadin, Jantoven (anticoagulant)
Increased bleeding risk (need lower dose) with VKORC1 gene or 2C192/3 alleles
Rosuvastatin
Crestor (statin)
Esomeprazole
Nexium (Mg) / Nexium IV (Na) (PPI)
SMX/TMP
Bactrim, Septra (sulfonamide)
Cephalexin
Keflex (1st Gen Cephalosporin)
Pravastatin
Pravachol (statin)
Escitalopram
Lexapro (SSRI)
Trazodone
Desyrel (triazolopyridine)
Meloxicam
Mobic (NSAID)
Carvedilol
Coreg (alpha-blocker/beta-blocker)
Losartan
Cozaar (ARB)
Duloxetine
Cymbalta (SNRI)
Fluconazole
Diflucan (azole antifungal)
Ranitidine
Zantac (H2RA)
Naproxen
Naprosyn, Aleve/Anaprox (sodium) (NSAID)
Potassium Chloride
potassium supplement
Diazepam
Valium (BZ)
Triamterene/HCTZ
Dyazide, Maxzide (K-sparing/thiazide)
Oxycodone
Oxycontin (opioid)
Pantoprazole
Protonix (PPI)
APAP/Codeine
Tylenol #3 (analgesic/opioid)
Extensive 2D6 metabolizers may have exaggerated response
Tamsulosin
Flomax (alpha-1 blocker)
Doxycycline hyclate
Vibramycin (TCN)
Alendronate
Fosamax (bisphosphonate)
Valsartan
Diovan (ARB)
Paroxetine
Paxil (SSRI)
Allopurinol
Zyloprim (xanthine oxidase inhibitor)
Vit D
Cholecalciferol (D3), Ergocalciferol (D2 - Drisdol)
Amitriptyline
Elavil (TCA)
Promethazine
Phenergan (antihistamine)
Clonidine
Catapres (alpha-2 agonist)
Lovastatin
Mevacor (statin)
Venlafaxine
Effexor (SNRI)
Bupropion
Wellbutrin, Zyban (antidepressant, smoking cessation)
Triamcinolone acetonide
Kenalog, Nasacort, Azmacort (steroid)
Carisoprodol
Soma (muscle relaxer)
Valsartan/HCTZ
Diovan HCT (ARB/thiazide)
Quetiapine
Seroquel
Amphetamine salts
Adderall (stimulant)
Cefdinir
Omnicef
3rd Gen Cephaolosporin
Valacyclovir
Valtrex (antiviral)
Methylprednisolone
Medrol (steroid)
Enalapril
Vasotec (ACEI)
Pioglitazone
Actos (thiazolidinedione)
Lamotrigine
Lamictal (anticonvulsant)
Spironolactone
Aldactone (K-sparing)
Metronidazole
Flagyl, MetroGel
Glimepiride
Amaryl (sulfonylurea)
Folic Acid
Folic acid
Mometasone furoate
Nasonex (steroid)
Topiramate
Topamax (anticonvulsant)
Amlodipine/Benazepril
Lotrel (CCB/ACEI)
Lisdexamfetamine
Vyvanse (stimulant)
Pregabalin
Lyrica (neuropathic pain)
Risperidone
Risperdal (antipsychotic)
Sildenafil
Viagra, Revatio (PDE-5 inhibitor)
Celecoxib
Celebrex (COX-2 inhibitor)
Insulin Glargine
Lantus (long-acting)
Clindamycin
Cleocin (lincosamide)
Temazepam
Restoril (BZ)
Tiotropium
Spiriva
Penicillin VK
Veetids (natural PCN)
Aripiprazole
Abilify
Digoxin
Lanoxin, Digitek (cardiac glycoside)
Norethindrone, ethinyl estradiol, ferrous fumarate
Loestrin 24 Fe
Propranolol
Inderal (non-selective BB)
Morphine sulfate
MS Contin (opioid)
Ramipril
Altace (ACEI)
Glipizide
Glucotrol (sulfonylurea)
Isosorbide mononitrate
Imdur (nitrate)
Benazepril
Lotensin (ACEI)
Tadalafil
Cialis, Adcirca (PDE-5 inhibitor)
Fexofenadine
Allegra (antihistamine)
Polyethylene Glycol
Miralax (hyperosmotic laxative)
Lansoprazole
Prevacid (PPI)
Hydroxyzine
Atarax, Vistaril
Mupirocin
Bactroban (antibiotic)
Buprenorphine/Naloxone
Suboxone (opioid/opioid antagonist)
Ezetimibe
Zetia (cholesterol absorption inhibitor)
Diclofenac
Voltaren (sodium), Flector (epolamine), Cataflam (potassium) (NSAID)
Glyburide
Diabeta, Micronase (sulfonylurea)
Sitagliptin
Januvia (DPP4 inhibitor)
Nitrofurantoin
Furadantin, Macrodantin (macrocrystals)
Sumatriptan
Imitrex (5-HT1 agonist)
Phentermine
Suprenza, Adipex (stimulant)
Fenofibrate
Tricor (fibric acid)
Acyclovir
Zovirax (antiviral)
Mirtazapine
Remeron (tetracyclic antidepressant0
Donepezil
Aricept (cholinesterase inhibitor)
Butalbital/APAP/Caffeine
Fioricet (migraine)
Verapamil
Calan (non-DHP CCB)
Benzonatate
Tessalon (antitussive)
Nystatin
Nystop (antifungal)
Estradiol
Climara, Estrace
Ondansetron
Zofran (5-HT3 antagonist)
Famotidine
Pepcid (H2RA)
Promethazine/Codeine
Phenergan w/Codeine (antitussive)
Extensive 2D6 metabolizers may have exaggerated response to codeine
Conjugated Estrogens
Premarin
Buspirone
Buspar (antianxiety)
Ethinyl estradiol/Etonogestrel
Nuvaring
Niacin
Niaspan (antihyperlipidemic)
Ezetimibe/Simvastatin
Vytorin (cholesterol absorption inhibitor/statin)
Olmesartan
Benicar (ARB)
Methotrexate
Rheumatrex, Trexall (antimetabolite)
Ketoconazole
Nizoral (azole antifungal)
Fentanyl
Duragesic (opioid)
Tizanidine
Zanaflex (muscle relaxer)
Finasteride
Propecia, Proscar (5-alpha reductase inhibtor)
Ethinyl Estradiol/Norgestimate
TriNessa, Tri-Sprintec, Ortho Tri-Cyclen
Gemfibrozil
Lopid (fibric acid)
Nebivolol
Bystolic (BB)
Methocarbamol
Robaxin (muscle relaxer)
Omega-3 Acid Ethyl Esters
Lovaza (omega-3 fatty acid)
Levetiracetam
Keppra (anticonvulsant)
Clobetasol
Clobex (steroid)
Meclizine
Antivert, Bonine, Dramamine II
Doxazosin
Cardura (alpha-1 blocker)
Clotrimazole/Betamethasone
Lotrisone (antifungal/steroid)
Chlorhexidine
Hibiclens, Chlorostat (antibacterial)
Drospirenone/Ethinyl Estradiol
Gianvi, Ocella, Yaz, Zarah
Levofloxacin
Levaquin (FQ)
Latanaprost
Xalatan (glaucoma)
Methylphenidate
Concerta, Ritalin, Metadate (stimulant)
Olmesartan/HCTZ
Benicar HCT (ARB/thiazide)
Budesonide/Formoterol
Symbicort (steroid/LABA)
Diltiazem
Cardizem, Cartia, Dilacor, Tiazac (non-DHP CCB)
Eszopiclone
Lunesta
Methadone
Dolophine (opioid)
Prednisolone sodium phosphate
Orapred (steroid)
Memantine
Namenda
Baclofen
Lioresal (muscle relaxer)
Medroxyprogesterone
Depo-Provera
Ipratropium/Albuterol
Combivent (anticholinergic/SABA)