https://www.nhs.uk/medicines/fluconazole/pregnancy-breastfeeding-and-fertility-while-taking-fluconazole/ yes it is safe to take while breastfeeding
Yes you can it’s an L2 according to hales medicine. Also you can try a nystatin or Clotrimazole
https://www.nhs.uk/medicines/fluconazole/pregnancy-breastfeeding-and-fertility-while-taking-fluconazole/ yes it is safe to take while breastfeeding