Basic Lyclear Information

• INN (International Nonproprietary Name): Permethrin.
• Brand Names Available In United Kingdom: Acticin; Elimite; Nix; Lyclear; Rausch Permethrin; Permethrin‑Ratiopharm.
• ATC Code: P03AC04.
• Forms & Dosages: Cream 5% (Acticin, Elimite, Lyclear) in 30g and 60g packs; Lotion 1% (Nix) in 59ml bottle for head lice.
• Manufacturers In United Kingdom: Not specified.
• Registration Status In United Kingdom: Permethrin 5% creams are authorised for scabies and are prescription only (POM) in the UK under MHRA regulation.
• OTC / Rx Classification: 5% cream for scabies — Prescription Only Medicine (POM). Some 1% lice lotions are OTC/Pharmacy/brand‑dependent.

Critical Warnings And Restrictions

Immediate Safety Steps For UK Patients

If you are pregnant, breastfeeding, elderly, the parent of a very young infant, severely immunocompromised or have severe skin disease, seek GP or pharmacy triage before use.

Use NHS 111 or your local urgent care service for acute allergic or systemic reactions after application.

Permethrin 5% creams (for example Lyclear 5% cream in 30g or 60g boxes) are generally prescription only (POM) for scabies in the UK.

Permethrin 1% lice lotions (for example Nix 1% lotion, 59ml) may be sold OTC depending on the brand and its marketing authorisation.

Absolute contraindication: known hypersensitivity to permethrin, synthetic pyrethroids or any excipient in the product.

Caution if you have chrysanthemum or ragweed allergy due to potential cross‑reactivity.

Avoid applying to inflamed, ulcerated or extensively broken skin without clinical advice as absorption may increase.

• Precautions: pregnancy/breastfeeding consult GP; infants under 2 months avoid 5% product; do not use if known hypersensitivity to pyrethroids.
• Local Action: stop use and seek urgent care for facial swelling, difficulty breathing, severe dizziness, persistent vomiting or seizures.

Checklist — What To Do Before You Use:

• Check for known allergy to permethrin, pyrethroids or excipients.
• Verify patient age (do not use 5% cream on infants <2 months).
• Contact GP or pharmacist if pregnant, breastfeeding, elderly, very young infant, immunocompromised or severe skin disease.
• Call NHS 111 or attend urgent care for acute reactions.

High‑Risk Groups (Elderly, Pregnancy, Chronic Illness)

Elderly: Offer carer assistance to reach skin folds and ensure full coverage; watch for unexpected systemic symptoms after large surface exposure.

Pregnancy/Breastfeeding: Permethrin is generally considered safe but patients should consult their GP; document advice in the record.

Infants <2 Months: 5% permethrin cream is not approved for use; paediatric guidance applies from 2 months upwards for scabies treatment.

Chronic Illness (Severe Hepatic/Renal Impairment): Systemic absorption is minimal with topical application, but exercise caution if skin is extensively damaged and seek specialist input if concerns exist.

• Elderly: Arrange carer‑assisted application; monitor for dizziness, headache or unusual symptoms.
• Pregnancy/Breastfeeding: Consult GP; record discussion and rationale for treatment.
• Infants <2 months: Avoid 5% formulations; seek paediatric advice.
• Chronic Illness: Consider dermatologist or specialist review for extensive skin disease before use.

Interaction With Activities (Driving, Workplace Safety Under UK Law)

Topical permethrin rarely causes systemic CNS effects, but headache and transient dizziness have been reported.

If you feel dizzy, drowsy or otherwise unwell after application, do not drive or operate heavy machinery until fully recovered.

For overnight scabies application (8–14 hours), avoid driving before washing the cream off in the morning.

Workplace: staff in food handling, patient care or operating machinery should inform occupational health if treated for scabies and follow employer exclusion policies.

Practical Activity Guidance:

• Avoid driving if you feel symptomatic after treatment.
• Do not handle food for others if you have active lesions and have not completed appropriate hygiene measures or been advised otherwise by occupational health.
• Wash off treatment before returning to activities that require high concentration when possible.

Employer Checklist:

• Inform occupational health of staff treatment for scabies.
• Follow local policy on exclusions for contagious skin conditions.
• Advise laundering of work uniforms and close‑contact precautions.

Q&A — “Can I Drive After Taking It In The UK?”

Q: Can I drive after applying permethrin cream?

A: Most people can drive once the cream has been washed off and they feel well.

A: If you experienced dizziness, headache or sedation after treatment, do not drive until fully recovered.

A: For overnight scabies treatment, arrange not to drive before washing off the cream the next morning.

A: Report suspected adverse effects to the MHRA Yellow Card scheme.

Usage Basics

INN, Brand Names Available In The UK

International Nonproprietary Name (INN): Permethrin.

Common UK‑market brands and formulations include Lyclear 5% cream (30g/60g), Acticin/Elimite 5% creams and Nix 1% lotion for head lice (59ml).

ATC Code: P03AC04 — useful to include in clinical notes and prescribing templates.

Legal Classification In UK Context

Permethrin 5% creams for scabies are Prescription Only Medicines (POM) in the UK and must be prescribed by a GP or private prescriber.

Permethrin 1% lice lotions may be Pharmacy (P) or General Sales List (GSL) depending on the brand and licence; always check the product licence.

Prescription charging varies: England usually applies a prescription charge unless the patient is exempt; prescriptions are generally free in Scotland, Wales and Northern Ireland.

Prescriber Checklist:

• Verify product marketing authorisation and whether the brand is POM or OTC.
• Check patient prescription exemption status (age, pregnancy, benefits).
• Document indication and counselling in the record.

Dosing Guide

Standard Regimens (NHS Guidelines)

Scabies (Permethrin 5% cream): Apply a thin layer to the whole body from the neck down; for infants, include the head and scalp.

Leave the cream on for 8–14 hours (typically overnight), then wash off.

Single application is usually effective; repeat after one week if persistent live mites or new lesions appear.

Lice (Permethrin 1% lotion): Apply to dry hair and scalp as directed on the leaflet, leave for about ten minutes, then rinse.

Repeat the lice treatment after seven days if live lice persist.

Application Checklist:

• Read the product leaflet and confirm correct strength.
• Apply to clean, dry skin (or dry hair for lice lotion).
• Ensure full skin coverage from neck down for scabies, include scalp for infants.
• Keep treatment on for recommended time then wash off thoroughly.
• Arrange repeat application if treatment failure or new burrows are seen.

Adjustments For Comorbidities

Children: 5% cream not approved for infants under two months; use age‑appropriate guidance for older children.

Extensive Dermatitis or Wounds: Consult a dermatologist or paediatrician before using topical permethrin; consider specialist options such as oral ivermectin in severe or crusted scabies under supervision.

Elderly And Frail: Ensure carer assistance to achieve full coverage, particularly under skin folds.

When To Seek Specialist Advice:

• If skin is extensively damaged, ulcerated or inflamed.
• When scabies is crusted or not responding to topical therapy.
• For infants <2 months or complex paediatric cases.

Q&A — “What If I Miss A Dose?”

Q: What if I forget to apply or complete treatment?

A: For single‑application scabies regimens, apply as soon as remembered if still within the intended application window; otherwise proceed with the scheduled repeat or consult your GP.

A: For lice lotions that require a repeat at seven days, carry out the repeat promptly.

A: Do not apply extra doses without clinical advice; overuse may increase irritation or risk of adverse effects.

Interaction Chart

Food And Drinks (Alcohol, Tea/Coffee, Diet Habits)

Topical permethrin has minimal systemic absorption and no clinically relevant interactions with food, alcohol or caffeine have been identified.

Normal diet and moderate alcohol consumption do not alter the topical efficacy of permethrin.

Common Drug Conflicts (MHRA Yellow Card Data)

Concomitant use with other neurotoxic topical agents such as lindane is not recommended because of theoretical cumulative neurotoxicity.

Systemic interactions are rare due to low absorption, but suspected adverse interactions should be reported to the MHRA Yellow Card scheme.

Flagged Agents:

• Lindane — avoid combined topical use.
• Other topical neurotoxic agents — use caution and consult the BNF or SPC.
• Always consult BNF/SPC and report concerns via Yellow Card.

User Reports And Trends

Patients commonly report transient burning, stinging or increased itching immediately after application, which often settles within days.

Many users describe relief of infestation after a single treatment but ongoing itch due to a post‑scabetic hypersensitivity reaction rather than treatment failure.

Frequent queries to GPs and pharmacists concern repeat dosing, whether household contacts need treatment and correct laundry measures.

There has been a rise in the use of online consultations and e‑prescriptions for scabies treatment in recent years.

• Common Patient Concerns: persistent itch after treatment; anxiety about contagion; confusion about repeat dosing.
• Recommended Clinician Responses: explain post‑scabetic itch is common; advise on household measures; schedule follow‑up if new burrows appear.

Counselling Checklist:

• Explain expected side effects and timeline for itch resolution.
• Advise on treating close contacts and laundering bedding/towels.
• Offer follow‑up if treatment failure is suspected after one week.

Access And Purchase Options

High‑Street Pharmacies And Chains

Boots, LloydsPharmacy and Superdrug dispense POM 5% creams on NHS or private prescriptions and provide pharmacist counselling in store.

Patients can obtain a prescription via GP appointment, e‑consult, sexual health clinics or dermatology referral if recurrent.

Patient Checklist For Obtaining A Prescription:

• Book a GP or e‑consult appointment and describe symptoms and contacts.
• Visit sexual health clinic or dermatology if appropriate for rapid access.
• Collect prescription from community pharmacy and request pharmacist counselling on application.

Prescribing Route → Dispensing → Follow‑Up:

• GP/clinic issues prescription → Pharmacy dispenses product → Arrange follow‑up if symptoms persist.

In our online pharmacy, lyclear is available without a prescription, with discreet delivery to United Kingdom in 5‑14 days.

Online Pharmacies And NHS E‑Prescriptions

Accredited online pharmacies may supply permethrin on a valid prescription and NHS Electronic Prescription Service (EPS) supports community dispensing and collection.

Avoid non‑MHRA approved imports and check the product labelling for correct strength, batch and leaflet.

Checklist For Safe Online Purchase:

• Buy from MHRA‑registered sites or recognised UK pharmacy chains.
• Confirm product name, strength and pack size (e.g., Lyclear 5% cream 30g or 60g).
• Keep the patient information leaflet and batch number in case of adverse event reporting.

Mechanism And Pharmacology

Simplified Explanation

Permethrin is a synthetic pyrethroid that acts on parasite neuronal sodium channels, causing paralysis and death of mites and lice.

Action is predominantly topical with minimal systemic absorption when applied to intact skin.

ATC Classification: P03AC04 (ectoparasiticides — pyrethroids).

• Mechanism: Neurotoxic effect on parasite sodium channels leading to paralysis.
• Target: Scabies mites and head lice.
• Systemic Absorption: Minimal from normal topical use.

Clinical Terms (For Prescribers)

Physicochemical note: 5% w/w cream = 50 mg per gram.

Prescribing shorthand commonly used: “Permethrin 5% cream, apply from neck down overnight, single application; repeat after 7 days if required.”

Include ATC P03AC04 in clinical coding and patient records where helpful.

• Document indication, application site and leave‑on time in the record.
• Record batch number if adverse event suspected.
• Consider alternative coding for lice if using 1% lotion preparations.

Indications And Off‑Label Uses

MHRA‑Approved Uses

Primary licensed indication: scabies treatment using 5% cream for adults and children aged two months and older.

Permethrin 1% formulations are licensed for head lice in various brands.

Off‑Label Practices In NHS And Private Care

Off‑label approaches may include treatment of crusted scabies combining topical permethrin with oral ivermectin in specialist settings.

Always document informed consent and the clinical rationale when using off‑label regimens.

• Record indication, consent, dosing schedule and monitoring plan for off‑label use.
• Refer to dermatology or infectious disease specialists for crusted scabies or repeated failures.
• Avoid routine high‑frequency or higher‑dose off‑label topical use due to irritation risk.

Key Clinical Findings

Condensed Evidence (UK & EU Studies 2022–2025)

Permethrin 5% cream remains a first‑line topical scabicide with high cure rates after a single appropriately applied treatment.

Persistent post‑scabetic itch is common and usually represents a hypersensitivity response rather than active infestation.

Comparative studies show permethrin is generally better tolerated than some alternatives such as benzyl benzoate, with oral ivermectin reserved for specialist or resistant cases.

Surveillance for emerging resistance is ongoing; report suspected treatment failures to local public health teams.

• High initial cure rate after single overnight application for most patients.
• Post‑treatment itch managed symptomatically with emollients, topical steroids or oral antihistamines if required.
• Escalate to specialist review or alternative agents if live mites persist after repeat treatment.

Clinicians should consult NICE guidance and MHRA updates for current recommendations and local resistance data.

Alternatives Matrix

NHS Prescribing Alternatives (Comparison Table)

Pros And Cons Checklist

• Permethrin 5% — Pros: high efficacy, good tolerability. Cons: POM, not for <2 months.
• Benzyl Benzoate — Pros: available alternative. Cons: more skin irritation, longer application protocols.
• Crotamiton — Pros: alternative topical. Cons: variable efficacy, may require repeat dosing.
• Oral Ivermectin — Pros: useful for crusted or institutional outbreaks. Cons: systemic side effects, specialist prescription and monitoring.

Common Questions

How long am I infectious after treatment?

Most patients are non‑infectious after a proper single application and washing of bedding and close contact measures, but treat close contacts as advised by your clinician.

What about laundry and household items?

Launder bedding, towels and clothing at 60°C or seal items in a plastic bag for 72 hours if washing is not possible.

When can children return to school or adults return to work?

Return once appropriate treatment and hygiene measures have been carried out and employer or school guidance has been followed; occupational health can advise for healthcare or food‑handling staff.

Why does the itch continue after treatment?

Ongoing itch is frequently an immune reaction to prior infestation (post‑scabetic itch) and may continue despite eradication of mites; see GP if new burrows or lesions appear.

Household Measures Checklist:

• Treat close contacts simultaneously where recommended.
• Wash bedding and towels at ≥60°C or seal for 72 hours.
• Vacuum furniture and soft furnishings; no need for household fumigation.

NHS Cost And Access Comparison Table

Footnote: Verify current NHS prescription charge rates at the time of prescribing.

Registration And Regulation

MHRA Approval Process (UK Context)

Permethrin 5% creams are authorised in the UK as POM for scabies; prescribers must check the SPC and product licence for brand‑specific instructions.

Report adverse events to the MHRA Yellow Card scheme and include batch details if known.

• Check SPC for dosing, indications and paediatric guidance.
• Record batch number and product name in clinical notes for adverse event reporting.
• Report side effects via Yellow Card.

NHS Prescribing Framework

Prescriptions may be issued by GPs, sexual health clinics or dermatology services; document indication and counselling in the record.

When using imported or special‑order products ensure MHRA compliance and local governance sign‑off.

• Document indication, consent and counselling in the clinical record.
• Obtain local sign‑off for imported or unlicensed specials.
• Follow local trust governance for off‑label or specialist regimens.

Storage And Handling

UK Household Storage (Cold/Damp Climate)

Store permethrin cream at normal room temperature (20–25°C) and protect from excessive moisture and heat.

Avoid freezing; short transport at 15–30°C is acceptable.

Keep out of reach of children and pets and discard after expiry.

Household Tips:

• Keep tubes in original packaging and away from radiators or damp bathrooms.
• For travel, keep within manufacturer temperature guidance (brief periods at 15–30°C).
• Return unused or expired product to a pharmacy for safe disposal.

Guidance From NHS And Pharmacists

Pharmacists should advise on the correct amount to cover body surface area, safe disposal and management of post‑treatment itch.

Provide clear verbal and written instructions on leave‑on time, repeat dosing and household measures.

• Counselling script: name, strength, where to apply, leave‑on time, repeat advice, household laundering steps.
• Advise avoiding concurrent use of other topical medicaments without review.

Guidelines For Proper Use

UK Pharmacist Counselling Style (What To Say)

“This is Lyclear 5% cream (or equivalent permethrin 5% cream).”

“Apply a thin layer from the neck down tonight and leave on for 8 to 14 hours, then wash off.”

“For infants include the scalp; do not use 5% on babies under two months.”

“Usually one application is sufficient; repeat in one week only if live mites or new burrows appear.”

“Treat close contacts and launder bedding and towels at 60°C, or seal items in a bag for 72 hours.”

“Seek GP or A&E for breathing difficulties, severe allergic reaction, fever or neurological symptoms.”

• Confirm patient understands where to apply and leave‑on time.
• Advise on expected transient burning or itching and how to manage it.
• Offer follow‑up or referral if symptoms persist or worsen.

NHS Patient Safety Advice (Follow‑Up & Adverse Event Reporting)

Advise patients that transient burning, stinging or itch is common and typically settles in days.

Arrange GP follow‑up if new burrows appear, if live mites are seen after repeat application or if severe reactions occur.

Report persistent or severe adverse reactions via the MHRA Yellow Card scheme; include product name and batch where possible.

• Follow‑up timeline: if symptoms persist beyond 7–14 days, review clinically.
• Action: report suspected serious adverse reactions and consider specialist referral for treatment failures.
• Micro‑FAQ: contact NHS 111 for urgent concerns or local GP for routine follow‑up.

Delivery Across United Kingdom