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Peridex MM

Generic Name: CHLORHEXIDINE GLUCONATE RINSE - ORAL
Pronounced: (klor-hex-EH-deen)

Peridex MM Side Effects

Tooth/tongue staining, increased tartar, mouth/throat irritation, and change in taste of food/drinks may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.

To decrease staining of teeth and mouth surfaces, brush with toothpaste 3 times daily, brushing more on the stained areas. Use of a "tartar control" toothpaste and electric toothbrush may be more effective. See your dentist at least every 6 months for tooth cleaning/tartar removal. Staining from this medication that may occur on dental work (such as crowns or veneers) usually can only be removed by a dentist/hygienist. To decrease the effect on how food tastes, eat first, followed by tooth brushing and then chlorhexidine rinse.

Remember that your doctor/dentist has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

A very serious allergic reaction to this drug is rare. However, seek immediate medical attention if you notice any symptoms of a serious allergic reaction, including:

  • mouth or skin rash
  • itching/swelling (especially of the face/tongue/throat)
  • severe dizziness
  • trouble breathing


This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.

In the US -

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.

Peridex MM Precautions

Before using chlorhexidine, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

Before using this medication, tell your doctor or pharmacist your medical history, especially of:

  • dental crowns, veneers, or fillings (especially if on the front teeth and if made of porcelain)


Tell your doctor if you are pregnant before using this medication.

It is not known whether this drug passes into breast milk. Consult your doctor before breast-feeding.

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