Monistat 7 Day Treatment with 7 Disposable Slim Applicators can only be used on the vagina and is not recommended for female girls under the age of 13. In case you never had an infection before, it would be best to consult your physician first before using this medication. Consulting your physician is also necessary in case you are experiencing burning sensations, vaginal itching and discomfort after using the medication, as you might need a different treatment option. Shoulder or back pain, lower abdominal pain, chills; fever, abnormal vaginal discharge and vomiting may indicate a serious problem and should be consulted with a physician before using Monistat. The consumption of this medication should also be avoided if you are pregnant, suffering from diabetes, have weak immune system or suffering from AIDS or HIV.