Anionic substances such as soaps, detergents and surfactants can reduce the antimicrobial activity of dequalinium chloride. Thus, concomitant intravaginal use of soaps, spermicides or vaginal douches (vaginal washes) is not recommended.
Fluomizin 10 mg vaginal tablets do not impair the functionality of latex condoms. There are no data on the interaction with non-latex condoms and other intravaginal devices such as diaphragms. Thus, concomitant use of non-latex condoms and other intravaginal devices is not recommended.