Caldesene (Topical)

Compound undecylenic acid is an antifungal medicine. It is used to treat certain types of fungal infections. However, compound undecylenic acid is usually not the first choice anymore because there are newer and more effective treatments for fungal infections.

You can get compound undecylenic acid without a prescription.

If your skin problem does not improve within 4 weeks, or if it gets worse, contact your health care professional.

To help prevent reinfection after finishing treatment with this medicine, you may use the powder or spray powder form of this medicine every day after bathing and drying your skin thoroughly.

In deciding to use a medicine, you and your doctor need to consider the risks of taking it compared to the benefits it will provide.

Allergies

Inform your doctor if you have ever had any unusual or allergic reaction to this medicine or any other medicines. Also, let your healthcare professional know if you have any other allergies, such as to foods, dyes, preservatives, or animals. For non-prescription products, carefully read the label or package ingredients.

Pediatric

Compound undecylenic acid should not be used on children up to 2 years of age unless your doctor says otherwise. There is no specific information comparing the use of compound undecylenic acid topical preparations in children 2 years of age and older with use in other age groups, but it is not expected to cause different side effects or problems in children 2 years of age and older compared to adults.

Geriatric

Many medicines have not been specifically studied in older adults. Therefore, it may not be known if they work the same way in younger adults or if they cause different side effects or problems in older people. There is no specific information comparing the use of compound undecylenic acid in the elderly with use in other age groups.

Interactions with Medicines

Some medicines should not be used together at all, while others may be used together even if an interaction might happen. In these cases, your doctor may adjust the dose or take other precautions. Inform your healthcare professional if you are taking any other prescription or nonprescription (over-the-counter [OTC]) medicine.

Interactions with Food/Tobacco/Alcohol

Certain medicines should not be taken at or around the time of eating food or certain types of food due to possible interactions. Using alcohol or tobacco with some medicines may also lead to interactions. Discuss with your healthcare professional about using your medicine with food, alcohol, or tobacco.

Along with its necessary effects, a medicine may cause some unwanted effects. Not all of these side effects may happen, but if they do, they might need medical attention.

Check with your doctor as soon as possible if any of the following side effects occur:

• Skin irritation not present before using this medicine

Other side effects not listed may also happen in some patients. If you notice any other effects, check with your healthcare professional.

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

In the U.S.

• Blis-To-Sol
• Caldesene
• Cruex

Available Dosage Forms:

• Solution
• Cream
• Tincture
• Powder

Therapeutic Class: Antifungal

Before applying compound undecylenic acid, wash the affected and surrounding areas, and dry thoroughly. Then apply enough medicine to cover these areas.

Keep this medicine away from the eyes.

For patients using the cream form of this medicine:

• Apply cream generously to affected and surrounding areas. Rub in well.
• Do not use on pus-containing sores or on badly broken skin.

For patients using the powder form of this medicine:

• If the powder is used on the feet, sprinkle it between toes, on feet, and in socks and shoes.

For patients using the aerosol powder or aerosol foam form of this medicine:

• From a distance of 4 to 6 inches, spray the affected and surrounding areas. If the medicine is used on the feet, spray it between the toes also. The powder may also be sprayed in socks and shoes.
• Do not use this medicine around the eyes, nose, or mouth.
• Do not inhale the aerosol.
• Do not use near heat, near open flame, or while smoking.

To help clear up your infection completely, keep using this medicine for 2 weeks after burning, itching, or other symptoms have disappeared, unless otherwise directed by your doctor. Do not miss any doses.

Dosing

The dose of this medicine will be different for different patients. Follow your doctor's orders or the directions on the label. The following information includes only the average doses of this medicine. If your dose is different, do not change it unless your doctor tells you to do so.

The amount of medicine that you take depends on the strength of the medicine. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine.

• For fungus infections: For aerosol foam, aerosol powder, ointment, powder, or solution dosage forms: Adults and children 2 years of age and over—Apply to the affected area(s) of the skin two times a day. Children up to 2 years of age—Use is not recommended. For cream dosage form: Adults and children—Apply to the affected area(s) of the skin as often as necessary.

Missed Dose

If you miss a dose of this medicine, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not double doses.

Storage

Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Keep from freezing.

Store the canister at room temperature, away from heat and direct light. Do not freeze. Do not keep this medicine inside a car where it could be exposed to extreme heat or cold. Do not poke holes in the canister or throw it into a fire, even if the canister is empty.

Keep out of the reach of children.

Do not keep outdated medicine or medicine no longer needed.

• How do I get rid of nail fungus?