Fungal infections are usually difficult to get rid of...and take time, even with the use of medication.
So, since you are not even at the half way mark of what your doctor said you could expect for everything clearing up...
...I think you should not worry at this point, and know that you are on track for healing.
Use your coping skills and positive mantras when the anxious thoughts act up!
"Courage is not the abscence of fear, it is feeling afraid and doing it anyway!"
"Worrying does not empty tomorrow of its troubles...it empties today of its strength."
Corrie Ten Boom
Panic Syndrome recovery due to CBT