Sulfanilamide was used to treat vaginal yeast infections that had to be used for a full month in order to work. It's no longer made by the manufacturer (Mylan).
Avc is a vaginal antifungal cream that was used to treat vaginal yeast infections. It works by stopping the growth of fungus causing the infection.
No, there are currently no brand or generic versions available in the United States.
It's not clear why the manufacturer (Mylan) discontinued Avc. There has been a shortage of Avc since at least November 2019. It's possible that the demand for the medication became too low and the manufacturer decided to stop making it, because there are other similar medications that work faster than Avc.
Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. When you are taking any of these medicines, it is especially important that your healthcare professional know if you are taking any of the medicines listed below. The following interactions have been selected on the basis of their potential significance and are not necessarily all-inclusive.
Using medicines in this class with any of the following medicines is not recommended. Your doctor may decide not to treat you with a medication in this class or change some of the other medicines you take.
Using medicines in this class with any of the following medicines is usually not recommended, but may be required in some cases. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.