Drug Interactions
Contraindicated
* benzocaine/butamben/tetracaine topical
* dofetilide
* lidocaine/prilocaine topical
* methenamine
Avoid/Use Alternative
* aminolevulinic acid topical
* amiodarone
* cocaine topical
* hydroquinone/retinoid combos
* local anesthetics, esters
* methotrexate
* methoxsalen
* pyrimethamine
* typhoid vaccine, live oral
* warfarin
Monitor/Modify Tx
* ACE inhibitors
* aliskiren
* aliskiren/hydrochlorothiazide
* amlodipine/A2R blocker combos
* amlodipine/valsartan/hydrochlorothiazide
* angiotensin II receptor blockers
* dasatinib
* digoxin
* diuretics, potassium-sparing
* diuretics, potassium-sparing/HCTZ
* enalapril/felodipine
* eplerenone
* exenatide
* mercaptopurine
* metformin/sulfonylurea combos
* phenytoins
* pioglitazone
* pioglitazone/glimepiride
* potassium bicarbonate/potassium citrate
* potassium salts
* pramlintide
* procainamide
* repaglinide
* repaglinide/metformin
* rosiglitazone/glimepiride
* sulfonylureas
Caution Advised
* benzocaine topical
* black cohosh
* bosentan
* contraceptives, oral combo
* contraceptives, oral progestin
* dapsone
* eltrombopag
* etravirine
* kava
* lamivudine
* lamotrigine
* leucovorin
* levoleucovorin
* lidocaine topical
* metformin
* metformin/pioglitazone
* metformin/rosiglitazone
* mycophenolate mofetil
* mycophenolic acid
* nitroprusside
* probenecid
* sildenafil
* sitagliptin/metformin
* St. John’s wort
* vardenafil
* verteporfin
* voriconazole
* zidovudine