Welcome to HCM.
If you have patches and itching around your external genitalia, then it must be dermatophyte infection
of skin). Then you have to continue the treatment for at least a month. Otherwise relapse is common.
If you vagina is reddened and itchy then it could be yeast infection.
In this case your husband also may need treatment. If you are on drugs for other treatment or diabetes
mallitus then these conditions to be considered for the relapse.
Your physician will guide you better.
Wish you a speedy recovery.