Reproductive & Developmental Toxicity of quaternary ammonium compounds.

Quaternary ammonium compounds (QACs) are a class of chemicals commonly used as disinfectants in household and healthcare settings. Their usage has significantly increased in recent years due to the COVID-19 pandemic. In addition, QACs have replaced the recently banned disinfectants triclosan and triclocarban in consumer products. QACs are found in daily antimicrobial and personal care products such as household disinfectants, mouthwash, and hair care products. Due to the pervasiveness of QACs in daily use products, humans are constantly exposed. However, little is known about the health effects of everyday QAC exposure, particularly effects on human reproduction and development. Studies that investigate the harmful effects of QACs on reproduction are largely limited to high-dose studies, which may not be predictive of low dose, daily exposure, especially as QACs may be endocrine disrupting chemicals. This review analyzes recent studies on QAC effects on reproductive health, identifying knowledge gaps, and recommending future directions in QAC-related research.

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