Ketoconazole
About Ketoconazole
Ketoconazole is a topical antifungal medicine used to treat skin infections caused by fungi or yeast. It is commonly prescribed for skin conditions such as athlete's foot, jock itch, ringworm, sweat rash, and seborrheic dermatitis, which causes dry, flaky skin on your scalp or face.
To get the best results from your treatment, you must apply Ketoconazole consistently and at the exact same times every day, even if your symptoms begin to clear up early. The medicine must be applied directly to the affected skin, which should be clean and completely dry before application. Making small lifestyle adjustments, such as wearing loose-fitting cotton clothes and drying your skin thoroughly after bathing, can help the treatment work more effectively.
While using Ketoconazole, you may experience mild and temporary skin irritation, redness, or a slight burning sensation where the product is applied. These common side effects usually go away as your skin adjusts, but you should contact your doctor immediately if you experience severe burning, swelling, or blistering.
Do not use this medicine if you have open wounds, deep cuts, or severe skin damage at the application site. If you have any known allergies to other antifungal creams or skin products, talk to your doctor before starting Ketoconazole to ensure it is safe for you to use.
Because Ketoconazole is applied directly to the skin, very little of the medicine typically enters your bloodstream. However, absorption may increase when it is applied to large areas of skin, inflamed or damaged skin, or under airtight dressings. As a result, interactions with oral medicines are generally uncommon with topical use. However, if you are pregnant, planning to become pregnant, or breastfeeding, you should consult your doctor or pharmacist before using this treatment.
Uses of Ketoconazole
• Treatment of Fungal Infections: Ketoconazole treats various fungal skin infections, including ringworm, athlete's foot (tinea pedis), jock itch (tinea cruris), and body ringworm (tinea corporis).
• Relief from Inflammation: Ketoconazole reduces inflammation, itching, redness, and swelling, providing comfort for skin disorders and making treatment more bearable.
• Management of Skin Conditions: Ketoconazole is used to treat skin conditions like eczema, dermatitis, and psoriasis when caused by fungus.
• Post-Antibiotic Skin Care: After taking antibiotics, patients may be prone to fungal overgrowth. Ketoconazole helps prevent or treat fungal skin infections that can occur when antibiotics disrupt the skin's natural balance.
Medicinal Benefits
Ketoconazole brings real-world relief to uncomfortable and irritating skin conditions. By targeting the source of the fungal infection, it helps you feel better in several ways:
- Quickly calms itching and discomfort: It rapidly soothes the intense itching and burning associated with fungal infections, allowing you to go about your day comfortably.
- Restores skin health: It helps clear up embarrassing skin peeling, flaking, and redness, allowing your skin to heal and regain its natural texture.
- Prevents the infection from spreading: Regular use stops the fungus from multiplying, which protects other parts of your body and prevents the infection from spreading to others.
Directions for Use
To get the safest and most effective results from Ketoconazole, follow these step-by-step instructions and always use the product exactly as your doctor has instructed:
- Wash your hands thoroughly with soap and water before applying the medicine.
- Clean the affected skin area gently with mild soap and water, then pat it completely dry with a clean towel.
- Apply a thin layer of Ketoconazole to the affected area and slightly onto the surrounding healthy skin.
- Gently rub the cream or gel in until it is evenly distributed and absorbed.
- Wash your hands with soap and water immediately after application to avoid spreading the infection to other areas of your body or to other people.
- Do not cover the treated area with bandages, tight dressings, or plastic wraps unless your doctor specifically tells you to do so.
Storage
Side Effects of Ketoconazole
Common Side Effects (Usually mild)
- Mild skin irritation, dryness, or redness where applied
- A temporary, mild burning or stinging sensation on the skin
- Mild scalp dryness or changes in hair texture (when using scalp formulations)
Serious Side Effects (Consult your doctor right away)
- Severe burning, redness, swelling, or pain at the application site
- Blistering, oozing, or open sores on the treated skin
- Signs of a severe allergic reaction, such as swelling of your face, lips, tongue, or throat, severe dizziness, or difficulty breathing
Medicines Containing this Salt
View AllDrug Warnings
- Avoid Contact with Eyes and Mouth: Apply Ketoconazole only to the affected skin or scalp. If it accidentally gets into your eyes, nose, or mouth, rinse thoroughly with plenty of cool water.
- Complete the Full Course: Continue using Ketoconazole for the full duration prescribed by your doctor, even if your symptoms improve or disappear earlier.
- Check Before Use: Inspect the tube or bottle before use. Do not use the product if the packaging is damaged or if the cream has changed colour or developed an unusual odour.
- Avoid Using Other Topical Products: Do not apply other medicated creams, ointments, or cosmetic products to the same treated area unless advised by your doctor.
- Use Only as Directed: Avoid applying Ketoconazole to large areas of damaged skin or covering the treated area with airtight dressings unless specifically instructed by your doctor.
Drug Interactions
Drug-Drug Interactions
The following products may interact with topical Ketoconazole and may require special precautions:
- Topical steroids and other skin treatments: If you are using steroid creams, medicated lotions, or other topical treatments on the same area of skin, tell your doctor. They will advise you on the safest way to use these products together and help minimise irritation.
Drug-Disease Interactions
Inform your doctor if you have a history of the following conditions before using Ketoconazole, as they may require special precautions:
- Severe skin conditions: If you have active eczema, psoriasis, or highly sensitive skin, using Ketoconazole may cause temporary irritation or localised burning. Talk to your doctor before starting treatment.
Drug-Drug Interactions Checker List:
Safety Advice
Alcohol
consult your doctorInteraction of Ketoconazole with alcohol is unknown. Please consult a doctor before consuming alcohol while using Ketoconazole.
Pregnancy
consult your doctorKetoconazole is a Category C pregnancy drug and is given to a pregnant woman only if the doctor thinks the benefits outweigh the risks.
Breast Feeding
consult your doctorKetoconazole is recommended for breastfeeding mothers only if needed. However, if Ketoconazole is applied on the breast, care should be taken to avoid accidental ingestion by the baby.
Driving
safe if prescribedKetoconazole usually does not affect your ability to drive or operate machinery.
Liver
consult your doctorIf you have any concerns regarding the use of Ketoconazole in patients with liver problems, please consult a doctor.
Kidney
consult your doctorIf you have any concerns regarding the use of Ketoconazole in patients with kidney problems, please consult a doctor.
Children
unsafeKetoconazole is not recommended for use in children below 12 years of age as the safety and efficacy are not established.
Habit Forming
Diet & Lifestyle Advise
- Keep the skin dry: Thoroughly dry your skin after showering or bathing, paying close attention to skin folds, the spaces between your toes, and your groin area.
- Choose breathable clothing: Wear loose cotton clothing and cotton underwear. Avoid synthetic fabrics that trap moisture and sweat against your skin.
- Avoid sharing personal items: Do not share towels, clothing, combs, hairbrushes, or footwear with others, as fungal spores can easily spread from person to person.
- Manage sweat: Change out of sweaty gym clothes or wet swimwear as quickly as possible to prevent creating an ideal environment for fungi to grow.
- Wash linens frequently: Wash your towels, bed sheets, and socks in hot water regularly to kill any lingering fungal spores.
Special Advise
Do not wash the treated areas for a minimum of 3 hours after you apply Ketoconazole.
Patients Concern
Disease/Condition Glossary
Fungal infection: It is a skin disease in which a fungus attacks the tissue and causes infection. Fungal infections may be contagious (spread from one person to another). Ringworm is a common fungal infection of the skin or scalp that is contagious and causes a rash resembling a worm in a ring shape. Jock itch (also known as tinea cruris) is a fungal infection of the skin that causes an itchy, red rash in warm and moist areas of the body such as the groin, buttocks, and inner thighs. An athlete’s foot (also known as tinea pedis) is a fungal infection that usually starts between the toes, especially in people who have extremely sweaty feet and wear tight-fitting shoes. It occurs most commonly in athletes. It causes itching, burning, or stinging sensation due to a scaly rash. Seborrheic dermatitis is a skin condition that causes an itchy rash with dry, flaky scales on the skin that contains oil glands, such as the scalp, face, back, and upper chest.
FAQs
Ketoconazole is used to treat Fungal skin infections.
Yes, fungal infection is a contagious skin condition that spreads from one person to another through direct skin-to-skin contact or by contact with contaminated soil or surfaces and infected animals. Therefore, it is recommended to avoid close direct contact until the infection is clear and avoid sharing things with the infected person as it can also spread the infection.
Yes, Ketoconazole may cause skin reactions such as contact dermatitis (red, itchy skin rash caused by direct contact with a certain substance) as it may contain stearyl alcohol and cetyl alcohol responsible for causing such skin reactions. However, if the irritation worsens or persists, please consult a doctor.
You are recommended to use Ketoconazole for as long as your doctor has prescribed it. However, if the condition worsens or persists after 2 to 4 weeks of treatment with Ketoconazole, please consult a doctor.
No, Ketoconazole is not a steroid cream. It contains Ketoconazole, which is an antifungal medication used to treat fungal infections.
Common side effects of Ketoconazole include dry skin, itching, redness, and a burning sensation at the application site. However, it's essential to note that these side effects may occur in some individuals but not everyone. They are usually mild and temporary, but it's best to consult your doctor if they persist or worsen.
It's generally not recommended to use a steroid cream along with Ketoconazole without consulting your doctor first. Combining these medications may increase the risk of side effects or reduce their effectiveness. Always consult your doctor for guidance on using multiple medications simultaneously.
Before applying Ketoconazole, wash and dry the infected skin area. Take a small amount on your finger and gently apply it to the clean, dry, affected area and surrounding skin. Remember to use it for external purposes only, avoiding contact with eyes, nose, and mouth. If accidental contact occurs, rinse with water thoroughly. Finally, wash your hands before and after application unless your hands are the affected area.
If you forget to use Ketoconazole, apply it as soon as you remember. Then, continue with your regular application schedule. Do not apply extra cream to make up for the missed dose.
Ketoconazole contains Ketoconazole, which works by damaging the fungal cell membranes, which are essential for their survival as they prevent the entry of unwanted substances into the cells and stop the leakage of cell contents. Thus, it kills fungi and yeast.
Unless your doctor advises, do not use other medicated topical products with Ketoconazole.
If you see no improvement after using Ketoconazole, consult your doctor. They will assess your condition and provide further guidance or recommend alternative treatments.
Most people begin to notice improvement in itching, redness, or scaling within a few days of starting treatment. However, fungal infections often require several weeks of regular use to clear completely, and treatment duration varies depending on the condition being treated. If your symptoms do not improve, worsen, or show signs of infection such as increasing pain, swelling, pus, or spreading redness, talk to your doctor.
Yes, Ketoconazole can be used on the face for conditions like seborrheic dermatitis, but you must be extremely careful to avoid your eyes, nose, and mouth. If the medicine accidentally gets into your eyes, rinse them immediately with water. Talk to your doctor before applying it to sensitive facial skin.
It is best to avoid applying makeup, sunscreens, or other cosmetics directly over the treated area immediately after applying Ketoconazole. Allow the medicine to absorb fully into your skin first, or check with your doctor for advice on your skincare routine.
Because Ketoconazole is applied directly to the skin, very little of it enters your body. However, you should still talk to your doctor or pharmacist before using it if you are pregnant or breastfeeding to make sure it is completely safe for your specific situation.
Mild flaking can occur as your infected skin heals and sheds. However, if you experience severe skin peeling, cracking, pain, or blistering, stop using the product and talk to your doctor immediately, as this could be a sign of an allergic reaction or severe irritation.
No, you must continue using Ketoconazole for the entire length of time prescribed by your doctor, even if your skin looks completely healed. Stopping the treatment too early may allow the remaining fungus to grow back, causing the infection to return.
No, this topical formulation of Ketoconazole is designed only for external skin and scalp infections. It should not be used internally or for vaginal yeast infections unless specifically directed by your doctor. Talk to your doctor for appropriate treatment options.
If Ketoconazole is accidentally swallowed, seek medical help or contact a poison control centre immediately. While it is safe for skin application, swallowing topical formulations can cause stomach upset, nausea, or other health issues. Talk to your doctor if you have concerns.

