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Chlorhexidine can cause a rare but serious allergic reaction that may be life-threatening. Get emergency medical help if you have: hives, severe skin rash; wheezing, difficult breathing; cold sweats, feeling light-headed; swelling of your face, lips, tongue, or throat.

You should not use chlorhexidine topical if you are allergic to it.

Ask a doctor or pharmacist if it is safe for you to use this medicine if you have any allergies to food, dyes, animals, or medicines.

It is not known whether chlorhexidine topical will harm an unborn baby. Tell your doctor if you are pregnant.

It is not known whether chlorhexidine topical passes into breast milk or if it could affect the nursing baby. Tell your doctor if you are breast-feeding.

Be very careful when using chlorhexidine topical on a child younger than 2 months old. This medicine may cause severe irritation or chemical burns on a very young child.

Use exactly as directed on the label, or as prescribed by your doctor. Do not use in larger or smaller amounts or for longer than recommended.

Do not take by mouth. Chlorhexidine topical is for use only on the skin.

Rinse the skin before applying chlorhexidine topical. Apply only enough medicine to cover the area you are treating. Do not apply this medicine to deep cuts, scrapes, or open skin wounds.

To use chlorhexidine topical soap, apply only enough to cover the area you are treating. Wash the area gently, then rinse thoroughly with plain water. Avoid using over large areas of skin.

This medicine is made under sterile conditions, but its contents are not sterilized. It is possible for bacteria to get inside the product and contaminate it, which could spread infection. To avoid contaminating your medicine with bacteria:

• Use only the swab, pad, or applicator provided with your medicine.

• If no applicator is provided, use only a clean cotton ball or cotton swab to apply this medicine.

• Do not touch the tip of the medicine bottle with your fingers or touch it to your skin.

• Do not dilute the medicine with water or other liquid.

• Use the applicator (pad, swab, or other dressing) only once. Throw away after one use.

Call your doctor if your symptoms do not improve, or if they get worse while using chlorhexidine topical.

Store at room temperature away from moisture and heat. Do not freeze. Keep the bottle tightly closed when not in use.

If this medicine is packaged in a single-use foil wrapper or other container, use it only once. Throw away after one use, even if there is still medicine left in it. Do not save for later use.

Avoid getting this medicine in your eyes, ears, nose, mouth, rectum, or vagina. If this does happen, rinse with water.

Avoid using other medicines on the areas you treat with chlorhexidine topical unless your doctor tells you to.

Avoid getting this medicine on your clothing or other fabrics. Do not use bleach to wash any fabric exposed to chlorhexidine or the medicine may cause a permanent stain.

Chlorhexidine can cause a rare but serious allergic reaction that may be life-threatening. Get emergency medical help if you have signs of an allergic reaction: hives, severe skin rash; wheezing, difficult breathing; cold sweats, feeling light-headed; swelling of your face, lips, tongue, or throat.

Stop using chlorhexidine topical and call your doctor at once if you have:

• severe burning, itching, or redness;

• blistering or peeling;

• swelling or severe skin rash; or

• any other severe irritation of treated skin.

Less serious side effects are more likely, and you may have none at all.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.