Severe — Requires intensive management and specialist care

Lamellar Ichthyosis

A rare, severe form requiring intensive daily management. With the right approach, quality of life can be significantly improved. Specialist support is essential.

TGM1, ABCA12
Main Genes
1:200,000
Prevalence
Birth
Onset (collodion baby)
Normal (usually)
Life expectancy
Inheritance

Autosomal Recessive — both parents must carry the gene mutation. Most common gene: TGM1, but also ABCA12, CYP4F22, ALOX12B, and others.

Scale appearance

Large, plate-like, brown or grey scales covering the entire body. Ectropion (eyelid turning outward) common.

Temperature regulation

Severely reduced sweating (anhidrosis or hypohidrosis). Overheating is a serious risk — especially in summer and during exercise.

At birth

Most babies born with a collodion membrane — a tight, shiny, film-like skin. Requires NICU management and resolves over weeks.

Part of the ARCI family

Lamellar Ichthyosis (LI) is classified under Autosomal Recessive Congenital Ichthyosis (ARCI) — a group of rare genetic skin disorders sharing autosomal recessive inheritance and congenital (birth) onset. Understanding which ARCI subtype you have matters for treatment decisions.

Lamellar Ichthyosis (LI)
Large, plate-like brown/grey scales over whole body. Often minimal redness. Main genes: TGM1, ABCA12, CYP4F22.
Fine white scales with significant redness (erythroderma). Overlaps with LI genetically but tends to be more inflammatory.
The most severe ARCI subtype. ABCA12 mutations. Born with thick armour-like plates. Requires NICU care at birth.

Genetic testing (skin biopsy or blood) can confirm your specific subtype and gene. Ask your dermatologist about ARCI specialist referral or see new EDD classification.

Medical disclaimer: This information is for educational purposes only. Always consult a qualified healthcare professional. Lamellar ichthyosis requires specialist dermatology care.
Temperature regulation is a life-safety issue. Lamellar ichthyosis significantly impairs sweating. Overheating can cause heat exhaustion or heat stroke. Always plan for cooling in hot weather, exercise, or heated environments. Carry water spray, cooling towels, and have an action plan.

Your Daily Routine

1
Long warm shower or bath (20–30 min) — This is the most critical step. Extensive soaking loosens scale and prepares skin for emollient application.
2
Scale softening and gentle removal — Use a soft loofah or bath mitt on soaked skin. Work methodically across body. Never force removal — if resistance, soak longer.
3
Apply keratolytic immediately — Urea 20–40% or salicylic acid 2–6%. This must go on first, on damp skin. Apply to all scaled areas methodically.
4
Apply generous emollient overall — Epaderm ointment, Zeroderm, or 50/50 Paraffin ointment. Use large amounts — a 500g tub per week is typical for lamellar.
5
Eye care — Apply eye lubricant drops (hypromellose, Viscotears). If ectropion: follow your ophthalmologist's protocol.
6
Temperature preparation — Check the day's forecast. Plan cooling strategies for heat. Always have water spray, cooling towel, and cooling vest if available.
7
Dress appropriately — Loose, light-coloured, breathable cotton. Avoid synthetic fabrics. Layers allow easy adjustment.
1
Long bath with oil (30–45 min) — Balneum Plus, Oilatum Plus, or Dead Sea salts. Evening is your primary therapeutic session.
2
Systematic scale removal — More thorough than morning. Work through each body area. Never rush this step.
3
High-strength keratolytic application — Higher-concentration products in the evening. Salicylic acid 6%, urea 40%, or combination products.
4
Full body emollient application — This takes time. Epaderm ointment or 50% paraffin mix. Have someone help with back if needed.
5
Wrap/suit if appropriate — Wet wrapping or cotton suit over emollient can dramatically increase hydration overnight. Discuss with dermatologist.
6
Evening eye drops — Thicker lubricant gel (e.g., Lacrilube) at night if ectropion causes overnight exposure.

Ectropion (eyelids turning outward) is common in lamellar ichthyosis. It exposes the cornea and requires active management:

1
Daytime eye drops — Hypromellose 0.3%, Viscotears, or Systane. Use every 2–4 hours during the day, or as directed by ophthalmologist.
2
Night-time eye ointment — Lacrilube or Simple Eye Ointment to protect cornea overnight when the eye may not fully close.
3
Eye hygiene — Clean around eyelids gently with diluted baby shampoo on a cotton bud to remove discharge.
4
Annual ophthalmology review — Essential. Severe ectropion may require surgical correction (tarsal advancement). Monitor for corneal damage.
5
UV protection — Wraparound sunglasses in bright conditions to protect exposed cornea.

Scale build-up in the ear canals is a significant problem in lamellar ichthyosis, causing hearing loss and pain if untreated:

1
Ear drops nightly — Sodium bicarbonate ear drops or olive oil ear drops to soften scale build-up. 2–3 drops in each ear before sleep.
2
Never use cotton buds — They push scale deeper. Let scale soften naturally with drops and drain.
3
GP ear irrigation every 3–6 months — When scale build-up causes muffled hearing, GP can perform microsuction or irrigation. Do not delay.
4
Audiometry check annually — Repeated obstruction can cause temporary hearing reduction. Annual hearing check recommended.

Medication Options

DrugTypeEfficacySide EffectsCost (NHS)Timeline
Epaderm / 50:50 Paraffin ointmentEmollient (Rx)75%Flammable — fire risk£15–30/mo2–4 weeks
Urea 40% cream (Calmurid HC)Keratolytic (Rx)80%Stinging£20–404–8 weeks
Salicylic acid 2–6% in emollient baseKeratolytic (Rx)78%Salicylate toxicity if overused on children£15–354–8 weeks
Acitretin (Neotigason) 10–50mg/daySystemic retinoid (Rx)85%Dry lips, teratogenic, liver monitoring£80–150/mo8–16 weeks
IsotretinoinSystemic retinoid (Rx)70%Teratogenic, depression, dry skin£40–80/mo8–12 weeks
KB105 gene therapy (trial)Gene therapy (NCT04047732)PromisingUnknown long-termTrial onlyOngoing
Paraffin-based emollients and fire risk: All paraffin-based emollients (including 50:50 paraffin mix, Epaderm, Hydromol) are highly flammable once dried on fabric. Never smoke or go near open flames while wearing emollient-soaked clothing. Wash emollient-impregnated fabric at high temperature regularly.

Common Problems & Solutions

Overheating and heat management

Reduced sweating is one of the most dangerous aspects of lamellar ichthyosis:

  • Cooling vest: Available on prescription in many cases. Essential for hot weather and exercise
  • Water mist sprays: Carry at all times in summer. Misting + fan = effective evaporative cooling
  • Activity timing: Exercise in the morning or evening, never midday in summer
  • Air conditioning: Consider an SSAS grant application for home cooling (ichthyosis qualifies as a qualifying medical condition)
  • School/work planning: Employers and schools must provide cooling facilities as reasonable adjustment
  • Heat stroke warning signs: Confusion, stopped urinating, hot red skin — call 999 immediately
Ectropion management
  • Regular eye drops throughout the day (every 2–4 hours minimum)
  • Overnight ointment to prevent corneal exposure
  • Annual ophthalmology review — do not skip
  • Surgical correction available if ectropion is severe — ask ophthalmologist
  • Wrap eye gently at night if exposure is occurring during sleep
Time and energy — routine fatigue

Lamellar routines can take 1–2 hours daily. Routine fatigue is real and valid. Strategies:

  • Listen to podcasts, music, or audiobooks during bath time
  • Get a partner, family member, or carer to help with back application
  • Simplify morning routine in busy periods (minimum: bath + emollient)
  • Claim Disability Living Allowance or PIP — lamellar ichthyosis usually qualifies
  • Connect with others via ISG UK support groups — shared experience is powerful
Starting acitretin — what to expect

Acitretin is the most effective systemic treatment for lamellar ichthyosis:

  • Requires specialist prescription and regular monitoring (liver function, lipids)
  • Most common side effect: very dry lips — use Vaseline constantly
  • Absolutely contraindicated in pregnancy — stringent contraception required for 3 years after stopping
  • Initial "retinoid flare" (skin may look worse for 4–6 weeks before improving)
  • Results typically seen 8–16 weeks. Full benefit may take 6 months
  • Some patients use intermittent therapy (9 months on, 3 months off)

8-Week Management Protocol

Lamellar ichthyosis requires specialist involvement. This protocol assumes you have a dermatologist. If not, your first week goal should be getting a referral.
Week 1

Establish the intensive routine

Buy: Epaderm 500g ×4, Oilatum Plus bath additive, urea 40% cream, eye drops, soft bath loofah mitt, cooling spray bottle.

Goal: Morning AND evening routine. Aim for minimum 20-minute soaks twice daily.

Week 2

Optimise scale removal technique

Experiment with the order: keratolytic first vs emollient first vs alternating. Log results. Most find keratolytic first on damp skin works best.

Week 3

Temperature management plan

Create a heat plan for summer (or next warm period). Research cooling vest options. Apply for PIP/DLA if not already claiming.

Week 4

Specialist review

Discuss acitretin with your dermatologist if not already on systemic treatment and topicals are insufficient. Review eye and ear care plans.

Weeks 5–8

Refine and maintain

If starting acitretin: weeks 5–8 are when early benefits may begin to appear. Maintain topical routine alongside systemic treatment. Full medication guide →

Community Tips

"I listen to an audiobook for my entire evening routine. The bath plus application takes 90 minutes and I just zone out into the story. Changed my relationship with the routine completely."

Rebecca, 32, Lamellar

"A cooling vest was life-changing for my daughter. She can now go to school in summer without the fear of overheating. Ask your dermatologist about a prescription."

Parent of a child with lamellar

"50:50 paraffin mix from the pharmacy is so much cheaper than branded emollients and just as effective. Ask your GP to prescribe it by name."

David, 29

Red Flags

Emergency — call 999 or go to A&E:
  • Signs of heat stroke: confusion, hot dry red skin, stopped sweating, high temperature over 40°C
  • Severe skin infection with fever and spreading redness
  • Corneal injury — sudden pain, photophobia, vision loss
  • Breathing difficulty if scales restrict chest movement
Book urgent appointment if:
  • New or spreading skin infection
  • Ectropion worsening or corneal pain
  • Significant ear canal blockage causing hearing loss
  • Routine is taking more than 2 hours with no improvement

Your next step

Lamellar ichthyosis requires specialist support. Find an NHS dermatologist with ichthyosis expertise near you.

→ Find a Specialist