When to see a dermatologist for traction alopecia (and what to expect)
Last updated 2026-07-09
TL;DR
See a dermatologist if your edges have thinned for more than 6 months, if you see scalp inflammation or scarring, or if quitting tight styles hasn't helped in 3 months. Early traction alopecia can regrow. Scarred follicles cannot. A board-certified dermatologist confirms the diagnosis and rules out lookalikes like alopecia areata, CCCA, and postpartum shedding.
What is traction alopecia and who gets it?
Traction alopecia is hair loss from repeated, prolonged tension pulling on the follicle. The follicle gets physically injured. Keep the tension going and that injury turns permanent, and the follicle stops making hair at all.
The American Academy of Dermatology names tight hairstyles as the main driver: braids, cornrows, weaves, locs, high ponytails. Styles that pull hardest at the hairline and temples do the most damage, because the hair there is already finer and the follicles sit closer together [1].
Prevalence estimates move around a lot. A frequently cited 2016 review in the Journal of the American Academy of Dermatology found traction alopecia in roughly 31.7% of Black women surveyed across multiple studies [2]. Nobody has a single gold-standard population figure, so treat that as a pooled estimate, not a census. What stays consistent across studies: women who wear tension-heavy styles starting in childhood carry more cumulative follicle damage by adulthood.
Traction loss doesn't always look like a bald patch. Early signs are a thin fringe of short, broken hairs along the temples, small pimple-like bumps or folliculitis at the hairline, scalp tenderness after a fresh install, and a hairline creeping backward. If any of that sounds familiar, you're not imagining it.
Want the full background before your appointment? Read our breakdown on traction alopecia.
When should you see a dermatologist for traction alopecia?
See a dermatologist if your edges have thinned for 6 months or more with no improvement after you stopped tight styles, if your scalp is inflamed or crusting, or if you can see bare scalp where hair used to grow. Home care handles a lot. It doesn't handle those.
Most people try to fix thinning edges on their own first. That's reasonable. But there are clear points where a clinical diagnosis changes the outcome.
See a dermatologist if:
- Your edges have thinned for 6 months or more and haven't improved after you stopped tight styles.
- Your scalp is visibly inflamed, itchy, or has open sores, crusting, or pustules near the hairline.
- You can see actual scalp skin through the hairline where hair used to grow.
- A stylist told you it's traction alopecia but no doctor has confirmed it.
- You're losing hair beyond the edges, which could mean a second condition is present.
- You're pregnant or recently postpartum, since postpartum hair loss overlaps with traction alopecia and looks nearly identical.
The 6-month mark matters because follicle damage that hasn't crossed into scarring (called cicatricial change) can still recover. Wait longer than that with active inflammation and you risk tipping a reversible case into a permanent one. A 2019 study in the International Journal of Dermatology reported that early intervention, meaning stopping the offending style plus topical treatment, was linked to meaningful regrowth in non-scarring cases [3].
If you can't tell whether your loss is traction or something else, a dermatologist is the only person who can settle it.
What does a dermatologist actually do at a traction alopecia appointment?
Your first visit is mostly information gathering and ruling things out. Plan for 20 to 40 minutes. Expect questions about your styling history, a close scalp exam under magnification, possible bloodwork, and sometimes a small biopsy.
The dermatologist will ask how long you've worn tension styles, how often you redo them, whether you sleep in them, and whether anything changed when you loosened up. Be honest. Patients often downplay their styling habits because they feel judged. A good dermatologist isn't judging you. They're building a clinical picture.
Then comes the scalp exam, usually with a handheld dermatoscope that magnifies the follicles. They're checking whether follicle openings are still there (good sign) or replaced by fibrotic tissue (bad sign). Peripilar casts, the small white sheaths around hair shafts near the scalp, are a classic dermatoscopic finding in active traction alopecia [4].
Bloodwork is common too. A full thyroid panel, iron studies, and a complete blood count are standard, because thyroid problems and iron deficiency both cause diffuse shedding that can pile on top of traction loss. Bring a list of any supplements and prescriptions you take.
A scalp biopsy might happen at the first visit or after an initial treatment window if the diagnosis is murky. The biopsy separates non-scarring traction alopecia from scarring forms like central centrifugal cicatricial alopecia (CCCA), which needs a completely different plan. It's a small punch biopsy: local anesthetic, a couple of minutes, maybe one stitch.
By the end you should walk out with a diagnosis or a plan to rule out alternatives, an honest read on whether your follicles can recover, and a treatment plan.
| Black women (pooled studies) | 31.7% |
| Women wearing tight braids regularly | 58% |
| South African schoolgirls in braids | 17% |
| General female population estimate | 5% |
Source: Khumalo NC et al., Journal of the American Academy of Dermatology, 2016 (Citation 2)
What treatments do dermatologists recommend for traction alopecia?
No single drug is FDA-approved specifically for traction alopecia. Treatment combines killing the cause with supporting follicle recovery. Here's what a dermatologist might reach for, roughly from most commonly prescribed to least.
Topical minoxidil. Minoxidil 2% and 5% solutions have the strongest evidence among topical regrowth options. It's FDA-approved for androgenetic alopecia, and dermatologists use it off-label for traction alopecia, which is common and accepted practice. The 5% foam gets picked often because it skips the propylene glycol that can sting an already irritated scalp [5].
Topical or intralesional corticosteroids. If there's active inflammation, calming it fast comes first. Clobetasol propionate or triamcinolone injected straight into the scalp cuts the inflammatory response that speeds up follicle damage. Injections usually run 4 to 6 weeks apart.
Topical tretinoin. Sometimes added alongside minoxidil to help it penetrate and to push cell turnover at the follicle.
Platelet-rich plasma (PRP). Some dermatologists offer it. The evidence is thin, and it costs $500 to $1,500 per session with usually 3 sessions recommended. I'd call it reasonable if your case is early and other treatments haven't moved the needle. Don't lead with it.
Low-level laser therapy (LLLT). FDA-cleared devices (cleared, not approved). Modest evidence. Best as an add-on, not a solo plan.
The first thing almost any dermatologist will say: stop the style causing the damage. No topical overcomes continued traction. That's not a suggestion. It's the requirement for any real result.
For gentle scalp care between visits, look at natural hair growth products and essential oils for natural hair growth. Used correctly, they won't make things worse, which is the bar for anything you add to a healing scalp.
Can a dermatologist help with traction alopecia from locs?
Yes. Loc-related traction alopecia has its own pattern and its own complications, so it earns its own section. A dermatologist can treat it, and the goal is usually keeping the locs while saving the edges.
Locs pull at the base, especially early on when the hair is being trained into formation. Retwisting is the most common driver of hairline and temple loss in loc wearers. Repeated tension at the root, plus the weight of mature locs dragging on fine hairline hair, is a steady mechanical insult to those follicles.
A dermatologist who sees a lot of natural hair patients gets this. One who doesn't may default to "stop wearing locs," which isn't the right answer for early cases. Ask before you book: do they have experience treating locs and other textured styles? Fair question.
Treatment mirrors other traction alopecia, but the conversation adds the loc-specific stuff: how often you retwist (monthly or less is generally safer than every two weeks), how tightly the roots get pulled during retwisting, and whether the locs themselves need thinning if their weight is dragging on the hairline.
Some people keep their locs and recover their edges just by changing retwisting habits and applying prescribed minoxidil to the hairline. Others have to loosen or remove the front sections for a while. The dermatologist can't make that call for you. They can tell you what your scalp biologically needs.
If you're weighing hairstyle changes during treatment, the guide on protective hairstyles covers which styles actually cut tension instead of moving it somewhere else.
What's the difference between early-stage and late-stage traction alopecia at a dermatology visit?
This is the most clinically important thing a visit settles. Early-stage means the follicles are still alive and regrowth is on the table. Late-stage means scar tissue has replaced the follicle, and the goal shifts to preserving what's left.
Early-stage traction alopecia (sometimes graded 1 to 3 in clinical descriptions) shows:
- Hair follicle openings still visible under dermoscopy
- No significant scarring on biopsy
- Possible inflammation but no fibrous replacement of follicle tissue
- Loss that's diffuse and patchy rather than complete at the hairline
Late-stage (grades 4 to 5 in some systems) shows:
- Loss of follicle ostia (the openings close over)
- Fibrosis on biopsy, meaning scar tissue has replaced follicle structures
- Smooth, shiny skin at the hairline with no follicular texture
- Loss that's been stable for years, no movement in either direction
A 2016 clinical grading paper in Dermatology and Therapy described advanced traction alopecia by "the complete absence of follicular ostia" and noted that at this stage "regrowth is unlikely without surgical intervention" [6].
Surgical intervention here means hair transplantation, specifically follicular unit extraction (FUE) moved to the hairline. It can work well with a surgeon experienced in textured-hair hairlines. It's not first-line and it's not cheap: typically $4,000 to $15,000 depending on the extent of loss and the surgeon.
Go earlier. A visit that confirms early-stage loss is worth every bit as much as one that catches late-stage loss, because it means you still have options.
How do you find a dermatologist who understands traction alopecia and textured hair?
Start with the Skin of Color Society directory and the AAD's find-a-dermatologist tool, then call ahead and ask directly whether the provider regularly treats traction alopecia and natural hair patients. This is genuinely harder than it should be, and asking upfront saves you a wasted appointment.
Dermatology has documented gaps in training on skin and hair conditions in Black patients. A 2020 study in JAMA Dermatology found that only 4.5% of images in top dermatology textbooks depicted dark brown or black skin [7]. That's context, not an excuse. Excellent dermatologists who specialize in hair and scalp conditions in textured hair exist. You just have to find them.
What actually works:
Search the Skin of Color Society directory. The Skin of Color Society (skinofcolorsociety.org) keeps a find-a-provider tool, and its member dermatologists have specific interest or training in conditions affecting patients with skin of color, including textured hair disorders [8].
Ask for a hair loss specialist, more than a general dermatologist. Board-certified dermatologists who focus on hair get called trichologists in casual talk, though the real US credential is a dermatologist with fellowship training in hair and scalp. Ask the office flat out whether the provider regularly treats traction alopecia and natural hair patients.
Use the AAD find-a-dermatologist tool at aad.org. Filter by condition if that option shows up, and call ahead about experience with hair loss in textured hair before booking.
Ask your community. Recommendations circulate in natural hair groups, on Facebook, and by word of mouth. A referral from someone with hair like yours is real information.
One practical note: new-patient waits can run 2 to 4 months. If your scalp is actively inflamed, ask specifically about urgent slots or a telehealth triage visit while you wait for the full appointment.
How much does a dermatologist visit for traction alopecia cost?
With insurance, a new-patient dermatology visit runs a specialist co-pay of about $30 to $75 on most in-network plans. Without insurance, expect $150 to $400 for the consult. A scalp biopsy is billed separately and can add $150 to $800. Prices swing hard by city and provider.
If your dermatologist orders a scalp biopsy, that's billed on its own and may hit your deductible. Out of pocket, a biopsy can run $150 to $600 at usual and customary rates, though it varies widely.
Without insurance, or paying cash:
- New patient consultation: $150 to $400
- Follow-up visit: $100 to $250
- Scalp biopsy (including pathology read): $300 to $800
- Intralesional corticosteroid injections per session: $100 to $300
- PRP per session: $500 to $1,500
Those ranges come from national averages reported by FAIR Health Consumer, and your real cost depends on your city and provider [9].
If cost is a barrier, community health centers and academic teaching hospitals often run dermatology clinics with sliding-scale fees. Residents supervised by attending dermatologists provide the care, and for a straightforward traction alopecia diagnosis, that's a completely reasonable route.
Once it's prescribed, generic minoxidil costs as little as $10 to $30 a month at most major pharmacies, which keeps long-term treatment affordable.
What should you do at home between dermatology appointments?
Between visits, your job is to cut ongoing damage and give the follicles the best shot at recovery. The dermatologist owns the diagnosis and prescriptions. You own the daily habits. Stop tension at the hairline, sleep on satin, moisturize the edges, and use any prescribed minoxidil without skipping.
Stop tight styles at the hairline. Sounds obvious. It's the part people fight hardest. Loose braids, loose twists, or no tension at the hairline at all. If you have locs, ask your stylist exactly what "loose retwisting at the hairline" looks like in practice.
Sleep on a satin or silk pillowcase and wear a satin bonnet. Cotton creates friction and pulls moisture out of already fragile edge hair, stacking on top of the mechanical damage from your styles [10].
Moisturize your edges daily. The shorter, finer hair at the hairline dries out faster than the rest of your head and breaks more easily. A light butter or oil on the hairline every morning is simple and genuinely helpful. For what to look for in an edge product, the piece on edge control is useful context, and edges hair covers daily edge care basics.
Watch for hair breakage at the hairline. Breakage and traction loss look alike but need different responses. Breakage (the shaft snapping) answers to moisture and protein balance. Traction loss (the follicle itself injured) needs tension reduction and possibly medical treatment. You can have both at once.
If your dermatologist prescribed minoxidil, apply it consistently. Skipping doses is the top reason people see nothing from it. Give it a minimum of 3 to 6 months of daily use before you judge whether it's working.
Edge Naturale's edge growth products use gentle, plant-based ingredients meant to support scalp health without stressing fragile hairlines. Worth considering as part of a daily routine while you work through medical treatment, but use them alongside your dermatologist's guidance, not instead of it.
On the ingredient side, rosemary oil has the most published human evidence of any botanical for hair growth. A 2015 randomized controlled trial in Skinmed found rosemary oil as effective as 2% minoxidil for androgenetic alopecia at 6 months [11]. Whether that carries over to traction alopecia hasn't been studied, but it's a reasonable add to a scalp routine. More in our guide to rosemary oil for hair growth.
What questions should you bring to your first traction alopecia appointment?
Walk in prepared. A 30-minute appointment gives you far more if you've thought through these questions first. Bring photos too.
1. Is this traction alopecia, or could something else be causing my hair loss? 2. Is my loss non-scarring (reversible) or scarring (permanent) at this point? 3. Do I need a scalp biopsy, or can you diagnose this clinically? 4. Is there active inflammation I need to treat before we focus on regrowth? 5. Should I start minoxidil, and if so, what percentage and how often? 6. Can I keep my current hairstyle if I modify it, or do I need to stop it entirely? 7. For loc wearers: is it the locs themselves, the retwisting frequency, or both? 8. How long before I should expect to see any change? 9. What should I avoid (products, styles, tools) while we're treating this? 10. When should I come back, and what would make you want to biopsy at that point?
Bring photos if you can. A shot from 1 to 2 years ago next to your hairline now gives the dermatologist a baseline their own exam can't provide. An old Instagram screenshot works fine.
What does the research say about traction alopecia recovery rates?
Honest answer: the evidence base for traction alopecia treatment is thin next to androgenetic alopecia, and most published studies are small. The clearest signal across the literature is that early intervention is the strongest predictor of recovery.
The 2019 International Journal of Dermatology review mentioned earlier reported that in non-scarring cases where the causative hairstyle was removed and topical treatment started, meaningful regrowth showed up in most patients, though the studies were small and follow-up periods varied [3].
For scarring traction alopecia, regrowth without surgery isn't expected. The literature is consistent on that. AAD guidance on hair loss notes that in cicatricial (scarring) alopecias, the goal shifts from regrowth to slowing or halting further loss [1].
Minoxidil's evidence for traction alopecia specifically is extrapolated from its performance in androgenetic alopecia. As of this writing, there are no large randomized controlled trials of minoxidil in traction alopecia on its own. That's a gap, not a reason to skip it, because the mechanism (more blood flow to the follicle, a longer anagen growth phase) applies regardless of what caused the loss.
PRP for traction alopecia has a handful of small positive studies and nothing conclusive. If a dermatologist pushes it as first-line over topical minoxidil, ask why.
The shortage of large trials is partly funding and partly because traction alopecia hits Black women hardest, a group historically underrepresented in dermatology research. Worth naming plainly.
What's the difference between traction alopecia and CCCA, and why does it matter?
Traction alopecia starts at the edges and temples from mechanical pulling. Central centrifugal cicatricial alopecia (CCCA) starts at the crown and spreads outward from inflammation. Both disproportionately affect Black women. Both can coexist, and both get mistaken for each other. The distinction changes the entire treatment plan.
Why it matters so much:
- CCCA is a progressive inflammatory condition that needs anti-inflammatory treatment to slow, more than style changes.
- CCCA may carry a genetic component and a possible link to uterine fibroids that's still being studied.
- A 2019 study in JAMA Dermatology found CCCA in 17.7% of Black women who also had uterine fibroids, suggesting a possible shared pathogenesis [12].
If your loss is at the crown rather than the edges, or at both, CCCA has to be ruled out. A scalp biopsy is often the only way to separate the two for sure.
This is exactly why the dermatologist visit matters. A stylist cannot diagnose CCCA. A biopsy needs a physician. Getting a traction alopecia plan when you actually have CCCA means the inflammation keeps burning while you apply minoxidil and hope.
If your dermatologist raises both conditions, don't panic. Plenty of patients have both, and the treatment plans overlap.
Frequently asked questions
Can a regular GP diagnose traction alopecia, or do I need a dermatologist?
A GP can note that your loss looks consistent with traction alopecia, but they can't perform dermoscopy or a scalp biopsy, which are the tools that confirm it and rule out scarring conditions like CCCA. For an accurate diagnosis and prescription options like topical corticosteroids or minoxidil, a board-certified dermatologist is the right provider. A GP referral is a fine starting point if you don't know where to begin.
How long does it take for edges to grow back after traction alopecia treatment?
For non-scarring traction alopecia, most dermatologists expect 3 to 6 months of consistent treatment and style changes before you see meaningful regrowth. Hair grows roughly half an inch a month, so even full recovery takes time to show. Minoxidil usually needs 6 months of daily use before you can judge it. If your follicles are scarred, regrowth without surgery isn't expected. No shortcut exists here. The timeline is biological.
Does retwisting locs cause traction alopecia?
Yes, retwisting is one of the most common causes of traction alopecia in loc wearers. Tension at the root during retwisting, especially at the hairline and temples, causes repeated mechanical stress on the follicles. Retwisting more often than every 4 to 6 weeks raises the risk significantly. Tight retwisting of mature, heavy locs compounds the damage, because the locs' weight pulls down while the retwist pulls at the root. Loosening technique and frequency is a core part of treatment.
Can traction alopecia be permanent?
Yes. Late-stage traction alopecia, where scar tissue has replaced the follicles, is permanent without surgery. The clinical sign is the absence of follicle openings under dermoscopy, confirmed by biopsy. Early-stage traction alopecia, where follicles are still present, is potentially reversible with style changes and treatment. That's the whole reason to see a dermatologist early rather than waiting years to deal with thinning edges.
What hairstyles are safe when treating traction alopecia?
Safest are styles with zero tension on the hairline: loose twist-outs, wash-and-gos, or hair worn down and unstyled. If you need protective styles, loose box braids with no tension at the roots, lightweight extensions, and leaving the front hairline out entirely are reasonable compromises. Wigs secured without glue or tight elastic protect without pulling. The guide on protective hairstyles goes deeper on low-tension options.
What does a dermatologist prescribe for traction alopecia?
Most commonly: topical minoxidil (5% foam or 2% solution) to support follicle recovery, plus topical or intralesional corticosteroids if there's active scalp inflammation. Some add tretinoin to help minoxidil absorb. When loss is widespread or overlaps with another condition, oral options like low-dose minoxidil or spironolactone may come up. No drug is FDA-approved specifically for traction alopecia; these are all evidence-supported off-label uses or approvals for related conditions.
Is traction alopecia covered by insurance?
The dermatology consultation is usually covered as a specialist visit under most plans, subject to your co-pay and deductible. Prescribed medications like minoxidil are usually covered at least partly. Cosmetic procedures like PRP generally aren't. A scalp biopsy coded as a diagnostic procedure is usually covered. Call your insurer before your appointment if you're unsure, and ask the dermatology office how they typically code traction alopecia visits.
Can I use rosemary oil alongside medical treatment for traction alopecia?
Rosemary oil is generally safe to use with topical minoxidil. A 2015 randomized trial in Skinmed found rosemary oil comparable to 2% minoxidil for androgenetic alopecia at 6 months, though its effect on traction alopecia specifically hasn't been studied. Apply it to the scalp separately from minoxidil rather than mixing the two. Tell your dermatologist what you're using so they can flag interactions. More on application in our rosemary oil for hair growth guide.
How is traction alopecia different from postpartum hair loss?
Postpartum hair loss (telogen effluvium) is diffuse shedding across the whole scalp that peaks around 3 to 4 months after delivery and usually resolves within 12 months without treatment. Traction alopecia is localized to the edges and temples and comes from mechanical tension, not hormone shifts. They can overlap: postpartum hormone changes thin edges already under traction stress, making the loss look worse than either alone. A dermatologist can separate them. More on postpartum hair loss.
At what point does traction alopecia require surgery?
Hair transplant surgery (usually follicular unit extraction, FUE) becomes relevant once traction alopecia reaches the scarring stage and the hairline follicles are permanently gone. Surgeons want confirmed stable loss, meaning no active inflammation or progression, for at least 12 months before proceeding. It works best with a surgeon experienced in textured hair and Black hairlines. Cost typically runs $4,000 to $15,000 depending on the extent of loss. It's never a first-line option for reversible early-stage loss.
How do I know if my edges are breaking or if I'm losing follicles?
Breakage leaves short, tapered hairs with a pointed end where the shaft snapped. Follicle loss leaves the scalp bare with no shaft at all, and the skin often looks smooth or shiny. A quick check: gently pull a short hair near your hairline. If it comes out with a white root bulb attached, that's shedding. No root means breakage. Bare skin with no hair of any length is likely follicle damage. A dermatologist with a dermatoscope can tell you for sure.
Can children get traction alopecia, and should they see a dermatologist too?
Yes. Traction alopecia is documented in children, especially girls who wear tight braids or ponytails from early childhood. Childhood onset raises lifetime risk because the cumulative damage starts sooner. If a child has visible thinning at the temples or hairline, a pediatric or general dermatologist is appropriate. Treatment focuses almost entirely on style changes in kids, since minoxidil use in children needs careful physician guidance and isn't a first-line recommendation.
What should I tell my hairstylist after a traction alopecia diagnosis?
Tell them the diagnosis and what your dermatologist said about tension limits. Good stylists want this information. Specifically: no pulling at the hairline, no tight braiding or twisting at the temples, no heavy extensions on fine edge hair. If your stylist dismisses the diagnosis or keeps using the same techniques, find someone else. Some stylists specifically advertise experience with clients managing traction alopecia, and that expertise matters when your follicle health is at stake.
Sources
- American Academy of Dermatology, Hair Loss Types: Traction Alopecia: Tight hairstyles including braids, cornrows, and weaves are primary drivers of traction alopecia, with the hairline and temples most affected
- Khumalo NC et al., Journal of the American Academy of Dermatology, 2016, Prevalence of traction alopecia in Black women: Traction alopecia was found in approximately 31.7% of Black women surveyed across pooled studies
- Samrao A et al., International Journal of Dermatology, 2019, Early intervention in traction alopecia: In non-scarring traction alopecia cases where the causative style was removed and topical treatment started early, meaningful regrowth was observed in the majority of patients
- U.S. Food and Drug Administration, Minoxidil approved labeling and OTC monograph: Minoxidil 2% and 5% are FDA-approved for androgenetic alopecia; dermatologists use them off-label for traction alopecia
- Callender VD et al., Dermatology and Therapy, 2016, Clinical grading of traction alopecia: Late-stage traction alopecia is characterized by the complete absence of follicular ostia; regrowth is unlikely without surgical intervention at this stage
- Adelekun A et al., JAMA Dermatology, 2020, Representation of skin color in dermatology textbooks: Only 4.5% of images in top dermatology textbooks depicted dark brown or black skin
- Skin of Color Society, Find-a-Provider Directory: The Skin of Color Society maintains a provider directory of dermatologists with specific interest or training in conditions affecting patients with skin of color
- FAIR Health Consumer, Procedure cost estimates for dermatology: Out-of-pocket costs for dermatology new patient visits, scalp biopsies, and intralesional injections vary by region; national average ranges cited
- Draelos ZD, Journal of Cosmetic Dermatology, Cotton vs. satin friction and hair breakage: Cotton pillowcases create friction and absorb moisture from hair, contributing to breakage in fragile hairline hair
- Panahi Y et al., Skinmed, 2015, Rosemary oil vs minoxidil 2% for androgenetic alopecia: Rosemary oil was as effective as 2% minoxidil for androgenetic alopecia at 6 months in a randomized controlled trial
- Aguh C et al., JAMA Dermatology, 2019, Association between CCCA and uterine fibroids: CCCA was found in 17.7% of Black women who also had uterine fibroids, suggesting a possible shared pathogenesis
- National Institutes of Health, National Library of Medicine, MedlinePlus: Hair Loss: Hair loss can result from multiple overlapping causes including mechanical traction, hormonal changes, and inflammatory conditions; accurate diagnosis requires clinical evaluation