Answer
Intravaginal soaps, spermicides or vaginal douches are not recommended with Fluomizin (dequalinium chloride) because anionic substances such as soaps, detergents and surfactants can reduce its antimicrobial activity.
Sources for this answer
- Fluomizin 10 mg vaginal tabletsGedeon Richter (UK) Ltd · emc · SmPC §4.5 Interaction with other medicinal products · Version 4Document updated
Sources checked