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Cepastat Extra Strength

Generic name: phenol topicalFEE-nol-TOP-i-kal ]
Brand names: Castellani Paint, Cepastat Extra Strength, Chloraseptic Cherry, Mycinette Sore Throat Spray, Ora Relief Throat, ... show all 11 brands
Drug class: Topical anesthetics

Medically reviewed by on Mar 4, 2021. Written by Cerner Multum.

What is Cepastat Extra Strength?

Cepastat Extra Strength is used on the skin to help protect skin from infection in minor cuts, scrapes, or burns.

Cepastat Extra Strength is used on the scalp to treat dandruff.

Some forms of phenol topical are used inside the mouth to provide temporary relief of minor mouth pain or irritation, sore throat, or canker sore pain.

Cepastat Extra Strength may also be used for purposes not listed in this medication guide.


Use exactly as directed on the label, or as prescribed by your doctor.

Before taking this medicine

You should not use Cepastat Extra Strength if you are allergic to it.

Ask a doctor or pharmacist if Cepastat Extra Strength is safe to use if you have any medical conditions or allergies.

If you are breastfeeding, avoid applying this medicine to breast areas that may come into contact with the baby's mouth.

How should I use Cepastat Extra Strength?

Use exactly as directed on the label, or as prescribed by your doctor.

Cepastat Extra Strength is available in many different forms, such as a liquid, swab, ointment, spray, and lozenge. Read and carefully follow any Instructions for Use provided with your medicine. Ask your doctor or pharmacist if you do not understand these instructions.

Always follow directions on the medicine label about using this medicine on a child. Some forms of phenol topical should not be used in children of certain ages.

Cepastat Extra Strength may be applied to the skin as needed. First clean the area to be treated.

Before using Cepastat Extra Strength on the skin, you may first apply a small amount of this medicine to make sure you won't have a skin reaction.

Do not use Cepastat Extra Strength on deep wounds, puncture wounds, animal bites, or serious burns. Do not apply over large skin areas. Do not apply a bandage over the treated skin.

Cepastat Extra Strength may be used in the mouth once every 2 hours as needed. A child 6 to 12 years old should not use more than 10 lozenges in 24 hours.

Do not use Cepastat Extra Strength in the mouth if you are using a form that is made for use only on the skin.

To use Cepastat Extra Strength spray in the mouth, spray directly into the mouth or throat. Leave the medicine in place for 15 seconds, then spit it out. Avoid swallowing the spray.

To use Cepastat Extra Strength as a mouth rinse, gargle or swish the liquid for 15 seconds, then spit it out. Do not swallow the liquid.

To use a Cepastat Extra Strength as a lozenge, hold the lozenge in your mouth and allow it to dissolve slowly.

While using this medicine in the mouth or on the skin, seek medical advice if you have new or worsening symptoms of pain, redness, swelling, rash, or fever.

Call your doctor if your sore throat is severe or ongoing after 2 days, or if you also have a high fever, headache, nausea, and vomiting.

Do not allow a child younger than 12 years old to use this medicine without help from an adult.

Store at room temperature away from moisture and heat. Do not refrigerate.

Each Cepastat Extra Strength swab is for one use only.

Some forms of phenol topical can stain skin and clothing. Use caution to avoid spilling the medicine.

What happens if I miss a dose?

Skip the missed dose and use your next dose at the regular time. Do not use two doses at one time.

What happens if I overdose?

An overdose of Cepastat Extra Strength is not expected to be dangerous. Seek emergency medical attention or call the Poison Help line at 1-800-222-1222 if anyone has accidentally swallowed the medicine.

What should I avoid while using phenol topical?

Avoid getting Cepastat Extra Strength in your eyes.

Cepastat Extra Strength side effects

Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Less serious side effects may be 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.

What other drugs will affect Cepastat Extra Strength?

Medicine used on the skin is not likely to be affected by other drugs you use. But many drugs can interact with each other. Tell each of your healthcare providers about all medicines you use, including prescription and over-the-counter medicines, vitamins, and herbal products.

More about Cepastat Extra Strength (phenol topical)

Patient resources

Other brands
Chloraseptic Sore Throat Spray, Pain-A-Lay Gargle, Assure Sore Throat, Castellani Paint, ... +6 more

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Further information

Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.