Antiseptic lavage is a means of washing, especially of a hollow organ, such as the stomach or lower bowel, with repeated injections of warm water mixed with an antiseptic or antifungal solution. Antiseptic lavages are commonly used as a treatment to pericoronitis of wisdom teeth.

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Applying antibacterial solutions to wash out wounds may reduce infection rates compared with non-antibacterial products.^[1] Pumping the washing solution into the wound may reduce infections compared with other methods of washing out.^[1]