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Although some guidelines have favored using chlorhexidine gluconate over other iodine products, there has not been a consensus on the most effective agent.

In the UK, antiseptic mouthwashes containing chlorhexidine are commonly used to treat dental plaque and gum disease.

The antiseptic soap was a 4 percent chlorhexidine solution sold in many drugstores.

Preparing for an x-ray, the 69-year-old was injected not, as she should have been, with a dye that highlights blood vessels, but with chlorhexidine, an antiseptic.

Swishing with chlorhexidine can help heal canker sores quickly, in a few days rather than weeks.