While minor, some of these side effects may occur. They are as follows; Nausea/vomiting, diarrhea, headache, stomach upset, or dizziness may occur. However if any of these persist or worsen, it’s best to speak with your doctor right away.
Tell your doctor right away if you have any serious side effects, including: numbness/tingling of arms/legs, hearing loss, mental/mood changes (such as depression).
Itraconazole has rarely caused very serious (possibly fatal) liver disease. Tell your doctor right away if you develop symptoms of liver disease, such as: nausea/vomiting that doesn't stop, loss of appetite, stomach/abdominal pain, yellowing eyes/skin, dark urine.
Itraconazole can commonly cause a mild rash that is usually not serious. However, you may not be able to tell it apart from a rare rash that could be a sign of a severe allergic reaction. Get medical help right away if you develop any rash.
A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.