Get your blood sugar levels checked by a doctor. Those are also symptoms for diabetes.
Fluconazole is prescribed to treat fungal infections, including yeast infections. It is also used to treat meningitis. It is in a class of antifungals called triazoles.
Check out this link for a list of possible side effects.
If you last took the medication late last year and it is now six months later, I doubt the medication has anything to do with how you are feeling. In any case, you should return to the doctor that prescribed them to you in case your infection has returned.