Elidel vs Ketoconazole

Elidel: A steroid-free anti-inflammatory cream for eczema. It calms the immune reaction in the skin without thinning it, which is why it is used on the face, eyelids and skin folds. Ketoconazole: An antifungal cream and shampoo used for dandruff, seborrheic dermatitis, tinea versicolor and ringworm. The tablet form is no longer used for skin infections because of liver risk.

Reviewed by Dr. Schwarz, Board-Certified Dermatologist

Which one?At a glance What it treats Diagrams How you take it Results Side effects Safety Cost When you stop Questions

Which one is right for you?

Choose Elidel if…

Choose for eczema on delicate skin — face, eyelids, folds — when you want to avoid steroid thinning.

Eczema on the face or eyelids
You need repeated or long-term treatment
Age 2 or older

Choose Ketoconazole if…

Choose for flaky scalp, facial seborrheic dermatitis or tinea versicolor — a cheap shampoo or cream that controls the yeast.

Dandruff or seborrheic dermatitis
Tinea versicolor patches
You want an over-the-counter start

Often combined

Can you take them together?

A useful pairing for facial seborrheic dermatitis: ketoconazole treats the yeast and Elidel calms redness without a steroid.

At a glance

● Elidel

● Ketoconazole

Type

Topical calcineurin inhibitor (pimecrolimus 1%)

Topical antifungal (azole)

What it does

Calms the immune reaction without thinning skin

Kills the yeast behind dandruff and fungal rashes

Best for

Mild to moderate eczema on face, eyelids and folds

Seborrheic dermatitis, dandruff, tinea versicolor

Prescription

Yes

1% shampoo over the counter; 2% by prescription

Form

Cream

Shampoo or cream

How often

Twice daily

Cream 1–2 times daily; shampoo 2–3 times weekly

Course length

Flares, or 2–3 times a week to prevent them

2–4 weeks, then maintenance

Time to results

1–6 weeks

1–2 weeks

Main side effect

Warmth or stinging at first

Mild irritation or dryness

Blood tests

None

Pregnancy

Check with your clinician

Cost

Moderate; generic available

Low; generic and OTC

What it treats

Compare uses by strength of evidence. Evidence level describes confidence in a benefit, not its size.

Evidence level

Elidel

Ketoconazole

Strong evidenceMost established uses

Eczema

Treats mild to moderate flares.

Salmon-pink patches with fine greasy yellowish scale in the crease beside the nose and through the eyebrow on fair skin, with soft edges that fade into normal skin.

Seborrheic Dermatitis

Reduces scale and redness.

A part line in straight light hair, seen from above, on pale skin. White-gray flakes sit along the part and the scalp beneath them looks pink.

Dandruff

Controls flaking.

Flat oval patches in pink and light tan scattered across an upper chest and shoulder on light skin, several joined into larger areas, with a fine dusty scale on the surface.

Tinea Versicolor

Clears the yeast.

Moderate evidenceSome supportive research

Seborrheic Dermatitis

A steroid-free option for the face.

Shoulders and upper back on fair skin, covered in a sheet of many small pink-red bumps, all of them the same size and packed close together.

Fungal Acne

Washes reduce bumps.

Limited evidenceEarly or small studies

The front of a forearm on fair skin. Two pale patches with sharp edges sit against lightly tanned skin, and the difference between the patch and the skin around it is subtle.

Vitiligo

Can restore some color on the face.

—

Little evidence

Two thick, sharply bordered plaques on a knee on fair light skin. They are salmon-pink to red with loose silvery-white scale on top.

Psoriasis

Too mild for plaques.

Psoriasis

Doesn't treat plaques.

Not effective

Acne

No role in acne.

Acne

Acne isn't fungal.

How it works

Elidel. Pimecrolimus calms eczema without being a steroid. 1. Inhibits calcineurin: Blocks a switch that helps activate T cells. 2. Reduces immune messengers: T cells release fewer inflammation-driving signals. 3. Calms eczema and itch: Redness and irritation ease as inflammation settles. — Open full-size diagram
Diagram explanation and sources
Inhibits calcineurin: Blocks a switch that helps activate T cells. Reduces immune messengers: T cells release fewer inflammation-driving signals. Calms eczema and itch: Redness and irritation ease as inflammation settles.
The drug binds FKBP-12 and inhibits calcineurin, reducing T-cell cytokine transcription; the complete atopic-dermatitis mechanism is not known. It also has other cellular effects.
Source 1

Ketoconazole. Disrupts the membrane that fungi need to grow. 1. Limits ergosterol production: Reduces a building block of fungal cell membranes. 2. Disrupts fungal membranes: Fungi have more difficulty maintaining normal cells. 3. Reduces susceptible fungi: Fungal and yeast-related skin problems can improve. — Open full-size diagram
Diagram explanation and sources
Limits ergosterol production: Reduces a building block of fungal cell membranes. Disrupts fungal membranes: Fungi have more difficulty maintaining normal cells. Reduces susceptible fungi: Fungal and yeast-related skin problems can improve.
Topical ketoconazole impairs fungal ergosterol synthesis. The contribution of Malassezia reduction to seborrheic dermatitis benefit is proposed rather than fully established. Species and resistance matter.
Source 1

How you take it

Treatment plan

When to Apply: A thin layer twice a day on the affected skin. Rub it in until it disappears. Moisturizer can go on top or underneath.

How to Start: Twice daily as soon as a flare starts, and keep going until the skin is clear rather than merely better. Many people then move to two or three days a week on the spots that always come back, to head off the next flare. Discuss that with your doctor.

If It Irritates: Warmth, stinging or burning for the first few days is the commonest complaint. It happens because the skin is inflamed, not because you are allergic, and it usually stops within a week as the eczema settles. Keeping the cream in the fridge, moisturizing first, or starting once a day for a few days makes it easier.

If It's Not Working: Nothing to increase — there is one strength. Give it six weeks of consistent twice-daily use. If the skin is no better, the usual next steps are a short steroid course to reset it, a switch to tacrolimus ointment, or a newer non-steroid cream.

When to Apply: For the shampoo, twice a week on wet hair. Lather it in, leave it on the scalp three to five minutes, then rinse. Contact time is what works, not volume. For the cream, a thin layer once or twice a day over the area and a little past its edge.

How to Start: Twice-weekly shampoo, or daily cream, for the first two to four weeks. Tinea versicolor is often treated with the shampoo as a body wash, left on five minutes, daily for a few days or weekly for a few weeks. Athlete's foot needs longer, often about six weeks.

If It Irritates: Mild stinging, dryness or an itchy scalp early on usually settles. Rinsing more thoroughly, dropping to once a week, or switching from gel or foam to cream generally fixes it. A rash that worsens each time you use it may be an allergy, and needs a look.

If It's Not Working: Give it two full weeks used correctly, with the contact time. If the scalp is no better, the reasons are usually rinsing too soon, a different diagnosis such as psoriasis, or a fungus that needs a tablet. Rotating with selenium sulfide, zinc pyrithione or ciclopirox often helps.

Monitoring

No routine blood tests. Blood levels are very low or undetectable, and it does not affect the adrenal glands the way strong steroids do.

Monitoring is a conversation at six weeks, then longer intervals if you stay on it. Your doctor is checking whether the eczema is actually controlled, whether steroid rescue courses have been needed often enough to suggest a change of plan, and whether any patch of skin is behaving oddly rather than simply eczema.

Because of the boxed warning, most dermatologists look harder at any new or changing spot in long-term users rather than assuming it is part of the rash. Registry follow-up has not found the increase in skin cancer or lymphoma the warning anticipated, so this is ordinary caution, not surveillance for a known risk.

No blood tests and no routine monitoring for the cream, shampoo, gel or foam. Absorption through intact skin is minimal, and the serious risks belong to the tablet.

People use this for years. Seborrheic dermatitis and dandruff are long-term conditions, and continuing at a lower frequency is the normal plan, not a sign something has gone wrong.

The exception to watch for is an allergic contact reaction, a rash that worsens each time it is used. Uncommon, but it happens, and it is a reason to stop and have it looked at rather than to use it more often.

Oral ketoconazole is the version that needs liver blood tests, heart tracings and interaction checks. It is not used for skin infections.

When you’ll see results

Approximate windows, not promises.

● Elidel

● Ketoconazole

First few minutes

First few minutesApplying it: A thin layer twice a day. Warmth or stinging for a few minutes, strongest on the rawest skin.

Days 1 to 5

Days 1 to 5Adjusting: The stinging is at its worst now and fades as the skin heals. Itch often eases while the rash looks the same.

Weeks 1 to 2

Weeks 1 to 2Working: Redness fades, skin feels less tight. Night scratching drops off first.

Weeks 1 to 2Flaking drops: Scale on the scalp or sides of the nose drops substantially, so judge it here. Tinea versicolor clears in the same window.

Weeks 2 to 6

Weeks 2 to 6Judge it here: The rash flattens and clears. The fair point to decide whether it is doing enough.

Face, eyelids and folds

Face, eyelids and foldsIts strongest use: Thin skin is where steroids cause the most trouble, so a non-thinning option is worth losing some strength. Armpits, groin and under the breasts thin quickly too.

Ongoing

OngoingHolding: Once clear, many drop to two or three applications a week on the areas that always flare. No thinning means no time limit.

First wash

First washUsing it: Lather, leave it on a few minutes, then rinse. Twice a week on the scalp.

Days 1 to 7

Days 1 to 7Itch settles: Itching and greasiness ease first, often within the first few washes.

Weeks 2 to 4

Weeks 2 to 4Skin infections clear: Ringworm, jock itch and yeast in folds clear here. Treat a little beyond the visible edge, since the fungus extends past it, and keep the fold dry.

Around 6 weeks

Around 6 weeksAthlete's foot: The soles are thick and slow, so this takes longer.

Beyond 4 weeks

Beyond 4 weeksMaintenance: For dandruff and seborrheic dermatitis, move to once a week or every other week rather than stopping. This is control, not a cure.

Side effects

Sorted by what to do about them.

Elidel

Ketoconazole

Common

Warmth, burning or stinging in the first days
Flushing with alcohol

Common

Mild irritation or itch
Dry hair from the shampoo

Tell your doctor

Skin infection or cold sores

Tell your doctor

No improvement after 4 weeks

Stop and get care

Swollen glands or a lump that doesn't settle

Stop and get care

Swelling or blistering

Safety and who should avoid it

Pregnancy

Use care

Ask the doctor managing your pregnancy.

Use care

Ask the doctor managing your pregnancy.

Breastfeeding

Use care

Keep it off the breast and nipple.

Use care

Keep it off the chest.

Children

2 and older

Approved from age 2.

Use care

Shampoo from 12 unless advised.

Monitoring

None

Review at 6 weeks.

None

—

Key interactions

Check

Avoid light therapy and tanning.

None for topical

The tablet form is no longer used for skin.

Other cautions

Avoid

Infected skin; weakened immune system.

Use care

Keep out of eyes.

Cost and getting it

Getting it and cost

Cost has improved. Generic pimecrolimus cream brought the price down from one of the more expensive eczema treatments to something ordinary. Brand-name Elidel is still costly.

The usual obstacle is not price but step therapy. Because the label calls it second-line, many plans want to see that a topical steroid was tried and failed, or a reason a steroid should not be used, before covering it. A note from your doctor saying the eczema is on the eyelids or in the folds usually settles that.

Cash prices for the generic vary between pharmacies more than most drugs, so check a discount card price before assuming you cannot afford it. Tube size matters too — a large tube is often better value per gram, and eczema treatment runs longer than people expect.

The 1% shampoo is over the counter and inexpensive, and store-brand versions work the same for less.

The 2% shampoo and cream are generic and among the cheaper prescriptions in dermatology.

The 2% gel and foam cost much more, and insurance often requires trying the cream or shampoo first. They are worth the difference mainly for hairy areas where cream is impractical.

Selenium sulfide and zinc pyrithione shampoos are cheaper alternatives with reasonable evidence, and rotating between them keeps costs down.

When you stop

Comes back?

Eczema can return; twice-weekly use on usual spots helps prevent flares.

Yes — the yeast lives on everyone's skin, so maintenance is usual.

Taper needed?

No.

No; drop to once or twice weekly.

After the last dose

No rebound and no skin thinning.

Flaking returns over weeks without maintenance.

Common questions

Elidel:Is pimecrolimus a steroid?

No. Different pathway, and it does not thin the skin — the whole reason it is used on eyelids, the face and skin folds.

Elidel:Why is there a cancer warning on the box?

Because at approval regulators noted that related medicines suppress immunity body-wide in transplant patients, that very high oral doses caused tumors in animals, and that a small number of cancer reports existed in users. The warning states that long-term safety is not established — a precaution, not a finding. Follow-up since has not shown an increased rate of skin cancer or lymphoma.

Elidel:Why does it burn when I put it on?

Because the skin underneath is inflamed. It is the commonest side effect, strongest in the first few days, and it settles as the eczema heals. Moisturizing first or chilling the tube helps.

Elidel:How long can I stay on it?

No fixed limit. It does not thin skin, so it can run in repeated courses, or two or three times a week, for years with review.

Elidel:Can I use it on my eyelids?

Yes — eyelids are one of its main uses, one of the few anti-inflammatory options that can go there repeatedly without thinning skin or raising eye pressure.

Elidel:Is it as strong as tacrolimus?

No. Tacrolimus 0.1% ointment is more powerful for moderate eczema. Pimecrolimus is better tolerated and cosmetically easier, so it is often the one people keep using.

Ketoconazole:How long do I leave the shampoo on?

Three to five minutes before rinsing. Rinsing straight away is the most common reason people think it failed.

Ketoconazole:How often should I use it?

Twice a week while it is active, then once a week or every other week to keep it quiet.

Ketoconazole:Will it make my hair fall out?

No. It has been looked at for a small possible benefit in pattern hair loss, not as a cause.

Ketoconazole:Can I use it on my face?

The cream, yes, for seborrheic dermatitis on the sides of the nose, eyebrows and hairline. Keep it away from the eyes.

Ketoconazole:Why are the pale patches still there after treatment?

Tinea versicolor leaves uneven color behind after the fungus is gone. It fades over weeks to months, and looks more obvious once the surrounding skin tans.

Ketoconazole:Should I be taking the tablet instead?

No. Oral ketoconazole had its skin and nail uses withdrawn because of serious liver injury and drug interactions. If a tablet is needed, terbinafine, fluconazole or itraconazole is used.

Dermapedia on YouTube