Peridex

WARNINGS

The effect of Peridex on periodontitis has not been determined. An increase in supragingival calculus was noted in clinical testing in Peridex users compared with control users. It is not known if Peridex use results in an increase in subgingival calculus. Calculus deposits should be removed by a dental prophylaxis at intervals not greater than six months. Hypersensitivity and generalized allergic reactions have occurred. SEE CONTRAINDICATIONS.

PRECAUTIONS

General

  1. For patients having coexisting gingivitis and periodontitis, the presence or absence of gingival inflammation following treatment with Peridex should not be used as a major indicator of underlying periodontitis.
  2. Peridex can cause staining of oral surfaces, such as tooth surfaces, restorations, and the dorsum of the tongue. Not all patients will experience a visually significant increase in toothstaining. In clinical testing, 56% of Peridex users exhibited a measurable increase in facial anterior stain, compared to 35% of control users after six months; 15% of Peridex users developed what was judged to be heavy stain, compared to 1% of control users after six months. Stain wil l be more pronounced in patients who have heavier accumulations of unremoved plaque. Stain resulting from use of Peridex does not adversely affect health of the gingivae or other oral tissues. Stain can be removed from most tooth surface s by conventional professional prophylactic techniques. Additional time may be required to complete the prophylaxis. Discretion should be used when prescribing to patients with anterior facial restorations with rough surfaces or margins. If natural stain cannot be removed from these surfaces by a dental prophylaxis, patients should be excluded from Peridex treatment if permanent discolo ration is unacceptable. Stain in these areas may be difficult to remove by dental prophylaxis and on rare occasions may necessitate replacement of these restorations.
  3. Some patients may experience an alteration in taste perception while undergoing treatment with Peridex. Rare instances of permanent taste alteration following Peridex use have been reported via post-marketing product surveillance.

Pregnancy

Teratogenic Effects - Pregnancy Category B

Reproduction studies have been performed in rats and rabbits at chlorhexidine gluconate doses up to 300mg/kg/day and 40mg/kg/day, respectively, and have not revealed evidence of harm to fetus. However, adequate and well-controlled studies in pregnant women have not been done. Because animal reproduction studies are not always predictive of human response, this drug should be used during pregnancy only if clearly needed.

Nursing Mothers

It is not known whether this drug is excreted in human milk . Because many drugs are excreted in human milk, caution should be exercised when Peridex is administered to nursing women. In parturition and lactation studies with rats, no evidence of impaired parturition or of toxic effects to suckling pups was observed when chlorhexidine gluconate was administered to dams at doses that were over 100 times greater than that which would result from a person's ingesting 30ml (2 capfuls) of Peridex per day.

Pediatric Use

Clinical effectiveness and safety of Peridex have not been established in children under the age of 18.

Carcinogenesis, Mutagenesis, And Impairment Of Fertility

In a drinking water study in rats, carcinogenic effects were not observed at dose s up to 38mg/kg/day. Mutagenic effects were not observed in two mammalian in vivo mutagenesis studies with chlorhexidine glucona te. The highest doses of chlorhexidine used in a mouse dominant-lethal assay and a hamster cytogenetics test were 1000mg/kg/day and 250mg/kg/day, respectively. No evidence of impaired fertility was observed in rats at doses up to 100mg/kg/day.

Last reviewed on RxList: 1/28/2013
This monograph has been modified to include the generic and brand name in many instances.

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