Eczema is a group of long-term conditions in which the skin barrier leaks moisture and the immune system in the skin overreacts. Atopic dermatitis is the most common kind. The result is skin that is dry, itchy and inflamed, in flares that come and go. It is controlled rather than cured, and most of it responds well to treatment used properly. Scabies is an intensely itchy rash caused by a tiny mite that burrows into the top layer of skin. It spreads through prolonged skin-to-skin contact, it has nothing to do with cleanliness, and it clears with prescription treatment when everyone in the household is treated at the same time.
The same eight facts on every condition comparison.
It is a recurring inflammatory condition.
Atopic eczema involves a vulnerable barrier and an itch–scratch cycle.
Several factors reinforce each other.
Dryness, irritants, inflammation and scratching feed one another.
It is not about cleanliness.
Vigorous cleansing can make eczema worse.
Care has two parts.
Emollients protect the barrier, while anti-inflammatory treatment settles active flares.
It is caused by a mite.
The human scabies mite lives in superficial skin and triggers an immune reaction.
Symptoms can be delayed.
A first infestation can go unnoticed for weeks while it can still spread.
It is not about hygiene.
Scabies can occur in any household or care setting.
Crusted scabies is different.
It carries a very large mite burden and needs a specialist regimen.
Atopic dermatitis Long-term, starts in childhood.
Infant facial eczema Inflamed, rough patches affect the cheeks.
Hand eczema Dry, cracked or blistered hands.
Dyshidrotic eczema Tiny itchy blisters on fingers and palms.
Nummular eczema Coin-shaped patches.
Contact dermatitis Triggered by something touching the skin.
Classic scabies Itchy bumps and burrows with few mites.
Burrows between fingers A thin, winding track is visible in the finger web.
Crusted scabies Thick gray crusts with huge numbers of mites.
Nodular scabies Firm itchy lumps that can last for months.
In atopic dermatitis, a less effective skin barrier and overactive immune signals reinforce each other. Water escapes more easily, and itching and scratching can add damage and prolong inflammation.
Scabies mites burrow into the outermost skin and lay eggs there. The immune reaction to mites and their products causes an itchy rash; the itch does not mean the mites are burrowing deep into the body.
Eczema often affects the inner elbows and backs of the knees. In adults, the hands, face and neck may also be involved.
Eczema. Often starts in infancy or childhood, though it can first develop in adulthood.
Scabies. Can affect people of any age after close contact with an affected person.
Eczema comes from a weak skin barrier combined with an overactive immune response. Moisture escapes, irritants get in and the skin becomes itchy and inflamed.
Scabies is caused by a tiny mite that burrows into the top layer of skin. The intense itch is the body's allergic reaction to the mites and their eggs.
Changes in the filaggrin gene, which helps build the skin barrier, are a major risk. Eczema often runs in families with asthma and hay fever.
Evidence labels come from each condition’s own treatment list.
The one steroid you can buy without a prescription, and the only step in this routine that treats rather than protects. A thin layer twice a day on the itchy patches, for up to two weeks at a time. Mild enough for the face and the eyelids for a few days, and too mild for skin that has gone thick and leathery.
A spray that lowers the amount of staph sitting on eczema skin, aimed at step four rather than at the inflammation itself. It does not sting, which makes it easier on children than a bleach bath. It is a helper for skin that keeps getting infected, not a treatment for the flare.
Taken at bedtime it helps you sleep through the itch, which is the honest reason to use it. It does not treat the itch of eczema — that comes from immune signals rather than histamine — so a non-drowsy antihistamine in the daytime does very little. Ask your doctor before using one in a young child.
Plain ointment, over damp skin, as the moisturizer rather than beside it. It seals water in rather than adding any. It is the one thing that is safe to put on eyelids as often as you like, and on a weeping flare it is usually the best thing on the shelf.
An old remedy that holds up. It calms itch and helps the barrier, in a cream or in a lukewarm bath. It will not clear a flare, and it is a sensible everyday moisturizer for skin that is calm but easily set off.
A moisturizer with urea in it, for patches that have gone thick and leathery from years of scratching. 10% and above. It stings on raw or weeping skin, so it belongs to the dry, cracked stage rather than the sore one.
The fats that hold the outer wall of the skin together, and the ones eczema skin is short of. A ceramide cream used daily reduces how often flares happen and how much prescription cream you end up needing over a year. It will not clear an active flare on its own — it is the maintenance step, used on calm skin as much as on sore skin.
Mild steroid cream helps the itch, but only after scabies has been diagnosed and treated. Used before that on an undiagnosed itchy rash it flattens the rash enough to make scabies much harder to recognize while the mites carry on spreading — sometimes called scabies incognito. If you have been using it, say so at your appointment.
A cool oatmeal soak settles the itch for a while during the weeks it takes the allergic reaction to fade. Keep the water cool rather than hot, because heat and hot showers reliably make scabies itch worse. It is comfort only, and it does nothing to the mites.
Worth trying in the daytime, though scabies itch is only partly driven by histamine, so the effect is usually modest. They will not shorten the infestation or replace treatment. If the itch is stopping you sleeping, a sedating antihistamine at night is the more useful version of this.
The home remedy asked about most often. It does kill mites in a dish, and small studies have looked at it, but there is no evidence it clears an infestation on a person. Applied neat to skin that is already scratched and inflamed it commonly stings and can cause a reaction of its own. Bleach and vinegar do not work either.
Triamcinolone. A mid-strength steroid ointment, twice a day for one to two weeks. It is the usual next step when hydrocortisone is not enough. Not for the face, the eyelids or the armpits - the skin there is thin already.
Protopic. An ointment that calms the same immune signal a steroid does, without being one. It does not thin skin, so it suits the eyelids, the face and the folds, and it can be used twice a week to stop flares coming back. Expect stinging for the first week or so.
A low-strength steroid made for thin skin - the face, the eyelids, the folds, and young children. Twice a day for a week or two.
Eucrisa. A steroid-free ointment for mild to moderate eczema, approved down to three months old. It burns on application for some people, which is the main reason it gets abandoned.
Elidel. The gentler cousin of tacrolimus, in a cream rather than an ointment. Suited to mild eczema on the face and the eyelids. It stings less, and it does less.
Opzelura. A newer steroid-free cream that takes the itch down quickly. It is meant for short courses on a limited area of the body, and it carries the warnings that come with the JAK class.
One of the strongest steroids there is, kept for thick, stubborn patches and for palms and soles. Two weeks at a time, then a break. Long stretches thin the skin.
A steroid-free cream applied once a day, approved for eczema down to two years old. It calms the inflammation without thinning skin, and in trials the improvement often held for a while after stopping. Folliculitis — small spots around the hair openings — and headache are the side effects that come up, and it is newer and more expensive than a steroid.
Zoryve. Another steroid-free once-daily cream, approved for eczema down to six years old. It is well tolerated on the face and the folds, and it does not sting the way tacrolimus does in the first week. Like the other newer creams, the barrier is cost and coverage rather than whether it works.
A steroid cream used after the mites have been killed, to settle the itch and the firm lumps left behind. It does nothing to the mites, and used on an undiagnosed itchy rash it blurs the picture while the infestation carries on spreading. So it is a second step, never a first one.
Permethrin 5% cream. The usual first treatment. It goes on the whole body from the neck down — every fold, between the fingers and toes, under the nails, around the navel and the genitals — and is left on for 8 to 14 hours, usually overnight. Put it back on your hands after any hand washing. It is repeated a week later to catch eggs that hatch after the first dose, and everyone in the household is treated on the same day whether they itch or not.
An older treatment, used where permethrin is unavailable or has not worked. It is applied the same way, over the whole body, and usually repeated. It stings on broken or scratched skin and can irritate, which is why it is rarely the first choice where permethrin can be had.
Precipitated sulfur in petrolatum, applied for three nights in a row. It is the option most often chosen for very young babies and is one your doctor may consider if you are pregnant or breastfeeding — ask them, since that decision is theirs to make with you. It smells strongly, stains clothing and bedding, and is greasy, which is the main reason people struggle to finish the course.
Marketed as both a scabies treatment and an anti-itch cream. It clears the mites in fewer people than permethrin does, so it is not a good first choice on its own. It is sometimes used for the itch after treatment, where it is mild and safe but not particularly effective.
An antibiotic ointment for scratched areas that have become infected — golden-yellow crust, oozing, soreness rather than itch. It has no effect on the mites at all. If the infection covers more than a small patch, or the skin around it is spreading red and swollen, antibiotic tablets are needed instead.
Tablets for severe eczema that has not answered creams — they work fast, often taking the itch down within days. They need blood tests, and the class carries warnings about infection, blood clots and heart problems, so they are prescribed with a proper discussion of who they suit. Usually considered alongside the injections rather than before them.
Works fast on a severe flare, which is what it is for - weeks to months, not years. It raises blood pressure and strains the kidneys, so both are checked while you are taking it.
A weekly tablet for long-running eczema. Cheaper than the injections and slower to work, with blood tests every few months. Ask your doctor about it before trying to conceive, and if you are pregnant or breastfeeding.
Oral steroids clear eczema quickly and it usually returns worse within weeks of stopping. Most dermatologists avoid them for that reason, and use them only to break a severe flare while something slower is started.
A short course when a flare is weeping or carrying golden-yellow crusts, which usually means staph has taken hold. It clears the infection so the eczema treatment can work again. It is not a treatment for eczema itself, and taking it for every flare is how resistance builds, so it is used when there is something to treat.
Oral ivermectin. Tablets taken as two doses about a week apart, weighted by body weight. They are the practical answer when a whole household or a care home has to be treated at once, when cream cannot be applied properly, or when cream has already failed. For crusted scabies they are given together with cream, often repeatedly. Ask the prescribing doctor whether they suit you, since they are not used in very small children and are avoided in pregnancy.
A short course of antibiotic tablets when scratched skin has become properly infected — spreading redness, swelling, pain or fever. They treat the bacteria only, so the scabies treatment still has to be done alongside them. This is a common reason a scabies visit ends with two prescriptions rather than one.
An older antihistamine taken at bedtime, for the weeks when the itch is keeping you awake. Most of the benefit is that it makes you drowsy rather than that it blocks the itch, which in scabies is only partly driven by histamine. It is useful, it is short-term, and it can leave you groggy the next morning.
Dupixent. An injection every two weeks, for eczema that covers a lot of skin and has not answered creams. It is not a steroid and it needs no blood monitoring. Eye irritation is the side effect people actually get.
An injection every two weeks for moderate to severe eczema, blocking one of the same immune signals Dupixent does. It is the usual next thing to try when Dupixent has not worked well enough or has not been tolerated. No blood monitoring, and eye irritation is the side effect to know about, as with Dupixent.
Measured doses of ultraviolet light in a booth, two or three times a week for a couple of months. It works. The cost is time, because it means getting to the office that often.
The same idea as the light booth, aimed at one patch instead of the whole body. Useful when a few stubborn areas are all that is left.
Eczema comes in flares - calm skin, then days or weeks of itching and inflammation, then calm. Most people eventually name their own pattern: the season, the stress, the job, the week before a period. Underneath that, it follows a longer arc.
Itching can continue for several weeks after successful treatment, so itch alone does not prove that mites remain. New burrows or continuing new spots need reassessment; treating close contacts together helps prevent reinfestation.
Impetigo
Bacteria getting into skin that scratching has broken open. It shows as weeping and golden-yellow crusts sitting on top of an eczema patch, and it can turn a settled flare much worse in a day or two. It needs an antibiotic alongside the usual eczema treatment - more moisturizer will not clear it.
Sleep loss, fatigue and low mood
Itch is at its worst at night, so eczema costs sleep - for the person who has it, and often for the rest of the house. Months of broken sleep bring daytime fatigue and poor concentration, and anxiety and depression are more common in people with moderate or severe eczema. It is worth telling your doctor. Treating the eczema properly is usually what fixes the sleep.
Thickened, leathery skin
Months of rubbing and scratching the same patch thicken it into leathery skin with the normal lines cut deeper. Doctors call it lichenification. It itches on its own, and it takes far longer to settle than a fresh flare - stopping the scratching is the only thing that reverses it.
Dark or light marks after a flare
Settled patches often leave flat marks that are darker than the skin around them, and sometimes lighter patches where pigment has dropped out. Neither is a scar, and neither is caused by the treatment. They fade on their own, but over months rather than weeks, and they are more noticeable and longer-lasting on deeper skin tones.
New allergies to products
Broken skin meets far more of whatever is put on it, so people with eczema pick up contact allergies more easily - to preservatives, fragrance, and sometimes to the eczema creams themselves. Suspect it when a treatment that used to work starts to sting or spread the rash. Patch testing is how it is confirmed.
Eye problems
Eyelid eczema and constant rubbing lead to itchy, swollen lids and red, irritated eyes. In severe, long-standing eczema, a change in the shape of the cornea called keratoconus and early cataracts are uncommon but recognized. If the eyes are involved often, it is worth an eye check.
Hand eczema that gets in the way of work
Cracked, sore hands are hard to hide and hard to rest. In wet work - healthcare, food, cleaning, hairdressing, childcare - it can mean time off or a change of job. Treating it early and protecting the hands through the working day is what keeps it from getting that far.
The atopic march in children
Children with eczema are more likely than other children to go on to develop asthma, hay fever and food allergy, often in that order. Doctors call the pattern the atopic march. It is a tendency, not a certainty - most children with eczema do not get all of it.
Skin infection from scratching
Scratching breaks the skin and lets bacteria in, so scabies commonly turns into impetigo or, less often, cellulitis. The signs are pain rather than itch, golden-yellow crust, oozing, or spreading redness and swelling with fever. It needs antibiotics alongside the scabies treatment. In parts of the world where scabies is very common, these skin infections are also a route to kidney and heart problems later, which is one reason outbreaks are taken seriously.
Lumps that linger after treatment
Firm, itchy, red-brown lumps can stay on the genitals, groin and armpits for weeks to months after the mites are dead. They are a stubborn allergic reaction, not live infestation, and re-treating with scabies cream does nothing for them. A steroid cream from your doctor, and sometimes an injection into the lumps, is what settles them.
Weeks of broken sleep
The itch is at its worst at night, and by the time most people are diagnosed they have had several weeks of it. Broken sleep is the part that wears people down, and it usually carries on for another two to four weeks after treatment while the allergic reaction settles. It is worth treating in its own right — a sedating antihistamine at night, a cool bedroom and moisturizer before bed all help.
Seek help for sleep-disrupting itch, recurrent flares or infection. Rapidly worsening painful skin with clustered blisters, fever or eye involvement needs urgent care.
Arrange treatment for suspected scabies and close contacts. Crusted widespread rash or infection needs prompt assessment.
Many children improve a great deal by school age, and more through the teenage years. Complete, permanent clearance happens but is not the rule. What usually remains is dry, easily irritated skin that can flare again later, often on the hands. Treating it well in childhood does not guarantee it goes, but it means fewer flares, less scratching, less thickened skin.
Used as prescribed, yes. The rules are simple - mild strengths on the face, eyelids and skin folds, stronger ones for the body and limbs, and courses that run the length of a flare rather than indefinitely. Thinned skin and stretch marks come from strong steroids on thin skin for months without review. If you are using one more or less continuously, go back and ask about a non-steroid option.
Usually not, and this is a common wrong turn. Food allergy is more common in children with eczema, but because both come from the same atopic tendency, not because food drives the rash. Removing foods rarely clears eczema, and long elimination diets can cause nutritional problems and even make a true allergy more likely. A clear, repeatable reaction within a couple of hours is worth investigating. A vague suspicion is not.
Several things line up after dark. Body temperature rises in the evening, and heat triggers itch directly. The distractions that kept you from noticing it are gone. Cortisol, which damps inflammation, is at its lowest overnight. And scratching in your sleep is unconscious, so damage piles up unchecked. A cooler bedroom, moisturizer right before bed, short nails and cotton layers help more than they sound.
Not always. Facial skin, eyelid skin especially, is much thinner and absorbs more of what you put on it. A steroid strong enough for your shins can thin the skin around your eyes within weeks. Face and eyelid eczema is treated with a mild steroid for a short stretch, or a non-steroid cream that can be used long term. Ask before moving a body prescription to your face.
Yes. This is the single habit that separates people who flare four times a year from people who flare monthly. Skin that looks normal in eczema is still leaky - the barrier defect is there whether or not there is a rash. Daily moisturizer on calm skin keeps the next flare further off and smaller. It is maintenance, not first aid.
Because the itch is an allergic reaction to the mites, not the mites themselves, and it takes two to four weeks to settle after they are gone. Moisturizer, antihistamines at night, and a steroid cream if your doctor prescribes one. Re-treating now irritates the skin. An itch worsening after four weeks does need review.
Cleanliness has nothing to do with it. The mite spreads through prolonged skin-to-skin contact - sharing a bed, holding a child, caring for a relative, sexual contact - and cannot be washed off once burrowed. Outbreaks happen in immaculate homes and hospitals.
Yes, on the same day, itch or not. Contacts can carry mites for four to six weeks before itching, so treating only the person with the rash almost guarantees it comes back. This is the most common reason scabies drags on.
You were contagious before you had symptoms, which is why it spreads so quietly. After a correctly applied treatment, most people are no longer contagious after about 24 hours. Many workplaces and schools use that as the point of return; follow local advice.
Not for ordinary scabies. Wash bedding, towels and clothing from the last three days on a hot wash and dry them hot, or bag them for about three days. The mite does not survive long off skin. Crusted scabies needs much more thorough cleaning.
Not the human form. Animals have their own mite varieties, which can cause a brief itchy rash on people but cannot reproduce on human skin and clear once the animal is treated by a vet.
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