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What is lichen planus?

Lichen planus (LP) is a skin disease that leads to long-term inflammation. The condition is characterised by the appearance of reddish-purple spots or lesions that are both shiny and itchy. The condition may affect the oral cavity with white and grey spots on the lips and/or mouth.

LP is an extremely rare autoimmune disease that may involve the genital area, scalp, nails, eyes and even the oesophagus. Slowly, it may impact the appearance of the affected area.

The condition is quite similar to the growth of lichen on trees and rocks. These lesions are flat-topped and scaly. This is the reason why it may be passed off as a fungal growth if not diagnosed properly. The condition is allocated a specific title in response to the region affected:

  • Cutaneous LP – skin
  • Oral LP – mouth and lips
  • Penile or vulvar LP – genital area
  • Lichen planopilaris – scalp
  • Otic LP – ears

In its extreme form, the condition is termed as ‘erosive lichen planus’, as it lasts for a long time. As a result, ulcers develop in the mouth and genital region, affecting activities of daily life. If left untreated, it may cause cancer cells to develop.

What are its main signs and symptoms?

LP has the following major symptoms:

  • Shiny, purple-red spots on the arms, legs or body
  • White patches or blotches on the gums, cheeks or tongue
  • Ulcers in the mouth
  • Burning and stinging sensation in the mouth during meals
  • Bald patches on the scalp
  • Sore patches on the vulva or penis
  • Thinning or rough nails
  • Peeling on the gums
  • In rare instances, blisters may erupt

Depending upon the region affected, the symptoms may vary. These include:

  • Scaly and warty lesions on the lower legs
  • Spots along a healing skin injury
  • Skin atrophy
  • Absence of sweat
  • Hyperpigmentation or hypopigmentation

Despite all the above issues, the condition is curable and is non-communicable in nature.

What are its main causes?

The cause of LP is not very clearly understood, however, autoimmunity is the underlying reason. It is thought that exposure to drugs, allergens, infectious agents or an injury may impact the immune system and cause it to attack skin cells leading to lichen planus. As a result, the skin ends up getting blotchy. In some instances, the genetic history of the patient also confirms the susceptibility to the condition.

How is it diagnosed and treated?

Diagnosis of the condition can be done by a qualified medical professional by physical examination of the skin and mucous membranes. A skin biopsy can be used to rule out similar conditions that may impact the disease management. Along with the above, test for hepatitis virus infection may need to be done.

Likewise, the identification and treatment of underlying allergies may also be initiated.

The treatment options for the condition include:

  • LP gets self-cured in response to the natural immunity within a period of 6-9 months.
  • Creams and lotions may be advised by the treating doctor to control symptoms.
  • Steroids or phototherapy can be also used to gain control over the spread of the condition.
  • In case of oral LP, mouthwash, rinses and gels may offer relief from soreness.
  • For erosive LP, systemic corticosteroid therapy is initiated to offer relief.
  • As a last resort, immunosuppressive medications may be tried, like mycophenolate, azathioprine and methotrexate, among others.

 

  1. Medicines for Lichen Planus

Medicines for Lichen Planus

Medicines listed below are available for Lichen Planus. Please note that you should not take any medicines without doctor consultation. Taking any medicine without doctor's consultation can cause serious problems.

Medicine NamePack SizePrice (Rs.)
TricortTricort 10 Mg Injection47
KenacortKenacort 0.1% Oral Paste50
Exel GnExel Gn 0.05% W/W/0.5% W/W Cream41
Propyderm NfPROPYDERM NF CREAM 5GM60
Propygenta NfPROPYGENTA NF CREAM 20GM122
Tenovate GnTenovate Gn Cream24
Clop MgClop Mg 0.05%/0.1%/2% Cream34
Clovate GmClovate Gm Cream0
Cosvate GmCosvate Gm Cream18
Etaze AfEtaze Af 0.1% W/V/1% W/V Lotion96
Low DexLow Dex Eye/Ear Drops8
Propyzole NfPropyzole Nf Cream112
Dermac GmDermac Gm Cream32
Triben CnTriben Cn Cream0
Etan GmEtan Gm Cream16
Globet GmGLOBET GM CREAM 20GM0
Tyza MTYZA M CREAM 15GM59
Lobate GmLOBATE GM LOTION 25ML71
Elomate AfElomate Af Cream72
TopisoneTopisone Cream0
DexacortDexacort Eye Drop13
Momesone TMomesone T Cream109
HhdermHhderm Cream188

Do you or anyone in your family have this disease? Please do a survey and help others

References

  1. National Health Service [Internet]. UK; Lichen planus
  2. National Organization for Rare Disorders. Lichen Planus. [Internet]
  3. American Academy of Dermatology. LICHEN PLANUS: SIGNS AND SYMPTOMS. [Internet]
  4. National Health Service [Internet] NHS inform; Scottish Government; Lichen planus
  5. Arnold DL, Krishnamurthy K. Lichen Planus. Lichen Planus. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2019 Jan-.
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