Mycosyst is a medicine that is used to treat chronic yeast infections. There are many treatments involved with using Mycosyst, but it is commonly used to treat athlete's foot and thrush.
Yes, Mycosyst 150mg can be taken during menstruation. Mycosyst is a yeast infection treatment, if this is a vaginal yeast infection do bare in mind that you should not use tampons or commercial menstrual pads such as Always or Kotex - these options could make the infection worse, and while your vaginal flora is out of balance you're more susceptible to further vaginal infections and TSS.
Mycosyst 150mg should begin to work on getting rid of a vaginal yeast infection within the first day of use. There are many factors in determining how long it will take to completely get rid of the yeast infection. Mycosyst should be used for the entire length of time that your doctor has prescribed for you, even if you feel the yeast infection has gone away.
It probably won't do much for herpes, it's antifungal medication that treats things like yeast infections or fungal infections it can also help treat patients on chemo therapy. You want an antiviral medication like Valtrex or Famvir to treat herpes.