Two kids, two miserable itches, and the same question every parent lands on: is this lice, or is it something else? Here’s the quick read. If the itch sits on the scalp, behind the ears, and along the neck, and you can find nits glued near the roots, it’s almost certainly head lice. If the worst itching is between the fingers, around the wrists, or at the waistline and it flares up at night, that points to scabies instead. They’re different creatures with different cures, so guessing wrong mostly just costs you a week.
Both are common, neither means your home is dirty, and both are fixable. The trick is telling them apart before you treat, because the thing that clears one does nothing at all for the other. Here’s how they line up side by side.
| What to check | Head lice | Scabies |
|---|---|---|
| Where it itches | Scalp, behind the ears, nape of the neck | Between the fingers, wrists, waistline, armpits; rarely the scalp |
| What you’ll see | Live insects and nits glued to hair near the scalp | No visible bug; tiny bumps, blisters, and faint thread-like tracks |
| When it’s worst | Any time of day; the itch is an allergic reaction | Notoriously worse at night |
| What causes it | An insect that lives in hair | A microscopic mite that burrows under the skin |
| How it spreads | Direct head-to-head contact | Prolonged skin-to-skin contact |
| What clears it | A thorough comb-out and lice treatment | Prescription cream or lotion from a doctor |
Where does the itch actually show up?
Location is the single fastest tell. Head lice keep everything on the head, so the itch clusters on the scalp, behind the ears, and at the nape of the neck. Scabies works the opposite way. It favors warm skin folds, so it lands between the fingers, at the wrists, around the waistline, and in the armpits, and in older kids and adults it rarely climbs above the neck at all.
So the first thing to do is look at where your child keeps scratching. Hands and wrists point one direction. The scalp points another. If it’s a scalp itch that won’t settle down, you’re in lice territory and the next move is a close look at the hair near the roots, not the skin on the body.
What do you actually see when you look closely?
With lice, you can find the evidence. You’ll spot nits, the tiny tan or grayish eggs cemented to hair shafts within about a quarter inch of the scalp, and sometimes a live insect scrambling away from the light. With scabies, you won’t see the bug at all, because the mite burrows under the skin. What you see instead is a rash of tiny bumps or blisters and, if you look hard, faint thread-like tracks.
That difference matters because a lice case leaves proof you can hold up to the light, while scabies is diagnosed by the pattern on the skin. Pediatric guidance is clear that head lice are confirmed by finding live lice or nits close to the scalp, which is exactly what a careful hair check looks for.
If you’re seeing bites and irritation but no eggs in the hair, that’s a clue you may be dealing with something other than lice. It’s worth knowing what the small irritated bumps lice leave along the scalp actually look like before you decide.
When is the itching at its worst?
Timing separates them too. A lice itch is an allergic reaction to bites, and it can show up any time of day once the sensitivity develops. Scabies has a signature that’s hard to miss: intense itching that gets dramatically worse at night. If your child is fine all day and then claws at their hands and wrists the moment the lights go out, that nighttime spike is a strong scabies flag, not a lice one.
It’s not a perfect rule. Some kids with lice scratch more at bedtime simply because they’re finally still and paying attention to it. But a hard, predictable nighttime surge on the hands and body is far more typical of scabies than of anything happening on the scalp.
How does each one spread from person to person?
Both need close contact, but different kinds. Head lice pass by direct head-to-head contact, which is why they run through kids at sleepovers, on the bus, and during huddled-together play. Scabies needs prolonged skin-to-skin contact to move, so it tends to travel through a household over time rather than in a quick brush of hair at school.
That’s why the household response differs. With lice you check every head the same night. With scabies, the mite spreads through frequent skin-to-skin contact between people, so a doctor usually treats the whole household at once regardless of who’s itching.
Head lice also get confused with other household pests. It helps to know how they compare when you’re sorting a scalp problem from another itchy household bug, since a bug you find in the bed is a very different fix from one you find in the hair.
What actually gets rid of each one?
This is where guessing wrong really costs you. Head lice clear with a thorough comb-out and a lice treatment that kills the bugs and lifts the eggs. Scabies won’t respond to any of that, because a scabicide has to be a prescription cream or lotion from a doctor that treats the skin, not the hair. Treat a scabies case with lice shampoo and you’ve wasted a week while everyone keeps itching.
So the identification step isn’t busywork. It decides which path you’re on. If a careful check confirms lice, professional head lice removal can finish a confirmed case in one visit and check every close contact in the same appointment. If the scalp is clear and the itch is on the body, that’s your cue to call a pediatrician instead of buying another box of lice product.
So which one are you probably dealing with?
Most cases sort themselves out once you know what to weigh. Match your situation to the pattern below, then take the next step that fits.
- It’s most likely head lice if the itch is on the scalp and neck, you can find nits stuck near the roots, and other kids in the class or friend group have had it recently. Next step: a hair check, and a lice screening if you find anything.
- It’s most likely scabies if the worst itching is on the hands, wrists, or waist, it spikes hard at night, and you see a bumpy rash but no eggs in the hair. Next step: a call to your pediatrician for a prescription.
- It could be neither if the itch is flaky and dry with no bugs and no rash pattern, which often points to dry skin or dandruff rather than a pest. Comparing head lice with a look-alike like the body lice that live in clothing rather than hair can help rule things out.
Where does the line get genuinely blurry?
Honesty matters here, because the two aren’t always textbook. A very early lice case can show only a handful of nits and no live bugs, so it looks like leftover debris and gets brushed off. Scabies on the scalp is rare but does happen in babies and young children, which muddies the tidy “lice stays up, scabies stays down” rule. When the signs are mixed, a close look is the only thing that settles it.
That’s the piece a screening handles well. At the Travis County clinic, a head check either confirms live lice and nits and clears them the same visit, or it comes back clean, in which case the honest answer to a family is to see a doctor rather than treat a scalp for lice that isn’t there. The treatment is non-toxic and safe for young kids, every close contact in the home gets checked in the same visit, and a confirmed case is finished in a single appointment. What you don’t get is a week lost to treating the wrong thing.
Frequently Asked Questions
Can you have lice and scabies at the same time?
It’s uncommon but possible, since they’re spread by different kinds of contact and don’t compete with each other. If your child has both a scalp itch with nits and a nighttime rash on the hands, treat them as two separate problems: lice on the head, and a doctor’s visit for the skin. One treatment will never cover both.
Will lice shampoo work on scabies?
No. Lice products are made to kill insects in hair, not the mite that burrows into skin. Scabies needs a prescription scabicide applied to the body, usually all of it, and often the whole household at once. Reaching for a lice kit when it’s really scabies just delays the fix and keeps everyone scratching.
Do I need to see a doctor to know which one it is?
Not always for lice. A careful hair check, or a professional screening, can confirm or rule out head lice on the spot, because lice leave visible eggs and bugs. Scabies is trickier and is best confirmed by a doctor who can read the rash pattern. When the scalp check is clean but the itching won’t quit, that doctor visit is the right call.
Not sure which itch you’re dealing with?
If the scratching is on the scalp and you’re not certain what you’re seeing, a quick screening takes the guesswork out. Our Travis County team can confirm whether it’s head lice, clear a confirmed case the same day, and check the whole household, or tell you plainly when it’s time to see a doctor for something else. Book a lice screening and stop treating a mystery.