Drug Interactions (Quiz) Flashcards
Ramipril
Neprilysin inhibitors (sacubitril): increased risk of angioedema
Quinapril
Antacid: Reduce absorption
Lisinopril
Neprilysin inhibitors (sacubitril): increased risk of angioedema
Enalapril
Neprilysin inhibitors (sacubitril): increased risk of angioedema
Benazepril
Neprilysin inhibitors (sacubitril): increased risk of angioedema
Doxazosin
CYP3A4 inhibitor: decreased metabolism
Hydrochlorothiazide
Dofetilide: Increased risk of QTc prolongation
digoxin
P-glycoprotein inhibitor
Verapamil
Moderate CYP3A4 inhibitor
Diltiazem
Strong CYP3A4 inhibitor
Gemfibrozil
HMG-CoA Reductase Inhibitors: increased risk of myopathy or rhabdomyolysis
Fenofibrate
Warfarin: increased risk of bleeding
Ezetimibe
Warfarin: increased risk of bleeding
Simvastatin
Major CYP3A4 substrate
Rosuvastatin
Antacids: reduce absorption
Pravastatin
Bile acid-binding resins: reduce absorption
Lovastatin
Fibrate/niacin: Increased risk of myopathy or rhabdomyolysis
Olopatadine
No clinically significant interactions
Loratadine
CNS Depressants: increased risk of sedation
Promethazine
CNS Depressants: increased risk for sedation
Meclizine
CNS depressants: increased sedation
nystatin
No clinically significant interactions
Ketoconazole
No major drug interactions
Naproxen
Anticoagulants and antiplatelets: increased bleeding risk
Meloxicam
Warfarin: increased risk of bleeding
Ibuprofen
Antihypertensives: decreased efficacy
Diclofenac
Warfarin: increased risk of bleeding
Omeprazole
Clopidogrel: inhibits metabolism of clopidogrel to active form
Lansoprazole
Clopidogrel: Co-administration with Prevacid® inhibits metabolism of clopidogrel to active form
Ranitidine
pH-dependent drugs: ranitidine reduces absorption
warfarin
NSAIDs: increased risk of bleeding
enoxaparin
NSAIDs: may increase the chance of bleeding
Rivaroxaban
Antiplatelet agents: increased bleeding risk
Dabigatran
P-gp inducers: avoid coadministration with Pradaxa
Ticagrelor
NSAIDs: increased bleeding risk
Clopidogrel
CYP2C19 inhibitors: decreased clopidogrel activation
Folic acid
none
Levalbuterol
Non-selective beta blockers: decreased effectiveness of Xopenex
Albuterol
Non-selective beta blockers: decreased albuterol effect
Oseltamivir
Live influenza vaccine: administer 2 weeks prior or 48 hours after
Nitroglycerin
Phosphodiesterase inhibitors: excessive hypotension
tiotropium
Anticholinergics: additive effect
fluticasone+salmeterol
Non-selective beta blockers: decreased effectiveness of salmeterol
Budesonide+formoterol
Non-selective beta blockers: decreased effectiveness of formoterol
Prednisone
Fluoroquinolones: Increased risk of tendon rupture
Methylprednisolone
Fluoroquinolones: Increased risk of tendon rupture
Mometasone
CYP3A4 inducers/inhibitors: decreased/increased plasma levels of Asmanex
Levothyroxine
warfarin, al, ca, mg, fe
Risedronate
Aluminum, calcium, magnesium, iron
Alendronate
mg, ca, al, fe
Sildenafil
alpha blockers and nitrates: hypotension
metronidazole
ethanol: disulfiram like reaction; warfarin: increased bleeding risk
Minocycline
Aluminum, calcium, magnesium, iron: decreased minocycline absorption due to chelation
Penicillin
Probenecid: increases penicillin concentrations
Clarithromycin
QTC interval prolonging agents: additive effects on internal; major substrates and inhibitors of cyp3a4
azithromycin
QTC interval prolonging agents: additive effects on internal; major substrates and inhibitors of cyp3a4
Vardenafil
Nitrates and Alpha-blockers
tadalafil
Nitrates and Alpha-blockers