You should not take  itraconazole if you have ever had heart failure.
If you have liver or kidney disease, you should not take itraconazole with colchicine, fesoterodine, or solifenacin.
Itraconazole may harm an unborn baby. Avoid getting pregnant while taking itraconazole and for 2 months after your last dose.
Stop using itraconazole and call your doctor at once if you have signs of congestive heart failure: feeling tired or short of breath, cough with mucus, fast heartbeats, swelling, rapid weight gain, or sleep problems.
Life-threatening side effects may occur if you take itraconazole with certain other drugs. Tell your doctor about all your current medicines and any you start or stop using.
Before taking this medicine
You should not take this medicine if you are allergic to itraconazole or similar medicines such as fluconazole or ketoconazole, or if you have ever had congestive heart failure.
Life-threatening side effects may occur if you take itraconazole with certain other drugs. Your doctor may change your treatment plan if you have used other medicines in the past 2 weeks, especially:
avanafil;
cisapride;
eliglustat;
irinotecan;
isavuconazonium;
methadone;
naloxegol;
ranolazine;
ticagrelor;
lurasidone or pimozide (anti-psychotic medications);
lomitapide, lovastatin, simvastatin (cholesterol-lowering medicines);
dihydroergotamine, ergonovine, ergotamine, or methylergonovine (ergot medicines);
eplerenone, felodipine, ivabradine, or nisoldipine (heart or blood pressure medicines);
disopyramide, dofetilide, dronedarone, or quinidine (medicines for heart rhythm disorders); or
oral midazolam, or triazolam (Valium-like sedatives).
If you have liver or kidney disease, you should not take itraconazole with colchicine, fesoterodine, solifenacin, or telithromycin.
Itraconazole may harm an unborn baby. Use effective birth control to prevent pregnancy while you are using this medicine and for at least 2 months after your last dose. Tell your doctor if you become pregnant.
Tell your doctor if you have ever had:
heart problems;
cystic fibrosis or other lung problems;
liver or kidney disease; or
a weak immune system.
It may not be safe to breastfeed while using this medicine. Ask your doctor about any risk.
