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Dyshidrosis, is a type of dermatitis, that is characterized by itchy blisters on the palms of the hands and bottoms of the feet.[5] Blisters are generally one to two millimeters in size and heal over three weeks.[6][7] However, they often recur.[7] Redness is not usually present.[6] Repeated attacks may result in fissures and skin thickening.[6] The cause is unknown.[7] Triggers may include allergens, physical or mental stress, frequent hand washing, or metals.[7] Diagnosis is typically based on what it looks like and the symptoms.[7] Allergy testing and culture may be done to rule out other problems.[7] Other conditions that produce similar symptoms include pustular psoriasis and scabies.[6] Avoiding triggers may be useful as may a barrier cream.[6] Treatment is generally with steroid cream.[7] High strength steroid creams may be required for the first week or two.[6] Antihistamines
Antihistamines
may be used to help with the itch.[7] If this is not effective steroid pills, tacrolimus, or psoralen plus ultraviolet A (PUVA) may be tried.[6][7] About 1 in 2,000 people are affected in Sweden.[6] Males and females appear to be affected equally.[6] It explains about one in five cases of hand dermatitis.[8] The first description was in 1873.[6] The name comes from the word "dyshidrotic," meaning "difficult sweating," as problems with sweating was once believed to be the cause.[6]

Contents

1 Signs and symptoms 2 Causes 3 Diagnosis 4 Treatment 5 Epidemiology 6 Synonyms 7 See also 8 References 9 External links

Signs and symptoms Dyshidrosis
Dyshidrosis
has been described as having the following characteristics:

Itchiness of the palms or soles, followed the a sudden development of intensely itchy small blisters on the sides of the fingers, the palms or the feet.[9] These blisters are often described as having a "tapioca pudding" appearance.[10] After a few weeks, the small blisters eventually disappear as the top layer of skin falls off.[6][11][12] These eruptions do not occur elsewhere on the body.[6] The eruptions may be symmetrical.[13]

Advanced stage of dyshidrosis on the fingers

Palmar dyshidrosis

Advanced stage of palmar dyshidrosis on the palm showing cracked and peeling skin

Advanced stage of dyshidrosis on the foot.

Rim of scale on the palmar surface of the thumb from a resolving dyshidrotic flare

Causes The exact causes of dyshidrosis are unknown. In 2013, a randomized, double-blind, placebo-controlled cross-over study by the University Medical Center Groningen reported that dyshydrosis outbreaks on the hands increased significantly among those allergic to house dust mites, following inhalation of house dust mite allergen.[14] Food allergens may be involved in certain cases.[15] Cases studies have implicated a wide range of foods including tuna, tomato, pineapple, chocolate, coffee, and spices among others.[15] A number of studies have implicated balsam of Peru.[15] Id reaction and irritant contact dermatitis are possible causes.[8] Diagnosis Dyshidrosis
Dyshidrosis
is diagnosed clinically, by gathering a patient's history and making careful observations (see signs and symptoms section).[7] Severity of symptoms can also be assessed using the dyshidrotic eczema area and severity index (DASI).[16] The DASI has been designed for clinical trials and is not typically used in practice. Treatment There are many treatments available for dyshidrosis. However, few of them have been developed or tested specifically on the condition.

Barriers to moisture and irritants, including barrier creams and gloves.[13] Topical steroids[17] - while useful, can be dangerous long-term due to the skin-thinning side-effects, which are particularly troublesome in the context of hand dyshidrosis, due to the amount of toxins and bacteria the hands typically come in contact with. Potassium permanganate
Potassium permanganate
dilute solution soaks - also popular, and used to 'dry out' the vesicles,[18] and kill off superficial Staphylococcus aureus,[19] but it can also be very painful. Undiluted it may cause significant burning.[20] Dapsone
Dapsone
(diamino-diphenyl sulfone), an antibacterial, has been recommended for the treatment of dyshidrosis in some chronic cases.[21] Antihistamines: Fexofenadine
Fexofenadine
up to 180 mg per day.[22] Alitretinoin
Alitretinoin
(9-cis-retinoic acid) has been approved for prescription in the UK. It is specifically used for chronic hand and foot eczema.[23][24][25] It is made by Basilea of Switzerland (BAL 4079). Systemic steroids can be taken orally to treat especially acute and severe cases of dyshidrosis.[13]

Epidemiology About 1 in 2,000 people are affected in Sweden. Males and females appear to be affected equally.[6] Synonyms Dyshidrosis
Dyshidrosis
is also known as pompholyx,[26] a term originating from the Greek word for "bubble".[8] See also

Epidermolysis bullosa
Epidermolysis bullosa
- a genetic disorder that causes similar, albeit more severe, symptoms to those of dyshidrosis. Dermatitis
Dermatitis
herpetiformis - a similar condition caused by celiac and often mistaken for dyshidrosis.

References

^ James, William; Berger, Timothy; Elston, Dirk (2005). Andrews' Diseases of the Skin: Clinical Dermatology
Dermatology
(10th ed.). Saunders. ISBN 0-7216-2921-0. ^ "Pompholyx". Patient. 2014-02-26. Archived from the original on 3 August 2016. Retrieved 11 August 2016.  ^ a b c d Rapini, Ronald P.; Bolognia, Jean L.; Jorizzo, Joseph L. (2007). Dermatology: 2-Volume Set. St. Louis: Mosby. ISBN 1-4160-2999-0.  ^ "Dyshidrosis". Merriam-Webster
Merriam-Webster
Online. Merriam-Webster. 2014. Archived from the original on 15 April 2014. Retrieved 14 April 2014.  ^ a b "What Is Atopic Dermatitis? Fast Facts". NIAMS. November 2014. Archived from the original on 27 July 2016. Retrieved 11 August 2016.  ^ a b c d e f g h i j k l m n o p q r s Lofgren, SM; Warshaw, EM (December 2006). "Dyshidrosis: epidemiology, clinical characteristics, and therapy". Dermatitis : contact, atopic, occupational, drug. 17 (4): 165–81. doi:10.2310/6620.2006.05021. PMID 17150166.  ^ a b c d e f g h i j k l m n o Colomb-Lippa, D; Klingler, AM (July 2011). "Dyshidrosis". JAAPA : official journal of the American Academy of Physician Assistants. 24 (7): 54. PMID 21748961.  ^ a b c Fitzpatrick, James (2016). "8". Dermatology
Dermatology
Secrets Plus. Elsevier. pp. 70–81. ISBN 978-0-323-31029-1.  ^ Shelley, W. B. (1953-09-01). "Dysidrosis (pompholyx)". A.M.A. Archives of Dermatology
Dermatology
and Syphilology. 68 (3): 314–319. doi:10.1001/archderm.1953.01540090076008. ISSN 0096-5979. PMID 13079297. Archived from the original on 2017-04-03.  ^ Bielan, Barbara (1996-04-01). "Dyshidrotic eczema". Dermatology Nursing. 8 (2). Archived from the original on 2017-04-02.  ^ Veien, Niels K. (2009-07-01). "Acute and recurrent vesicular hand dermatitis". Dermatologic Clinics. 27 (3): 337–353, vii. doi:10.1016/j.det.2009.05.013. ISSN 1558-0520. PMID 19580928. Archived from the original on 2016-10-24.  ^ Lofgren, Sabra M.; Warshaw, Erin M. (2006-12-01). "Dyshidrosis: epidemiology, clinical characteristics, and therapy". Dermatitis: Contact, Atopic, Occupational, Drug. 17 (4): 165–181. doi:10.2310/6620.2006.05021. ISSN 1710-3568. PMID 17150166. Archived from the original on 2017-04-03.  ^ a b c Perry, Adam D.; Trafeli, John P. (2009-05-01). "Hand Dermatitis: Review of Etiology, Diagnosis, and Treatment". The Journal of the American Board of Family Medicine. 22 (3): 325–330. doi:10.3122/jabfm.2009.03.080118. ISSN 1557-2625. PMID 19429739. Archived from the original on 2017-09-08.  ^ Schuttelaar ML, Coenraads PJ, Huizinga J, De Monchy JG, Vermeulen KM (2013). "Increase in vesicular hand eczema after house dust mite inhalation provocation: a double-blind, placebo-controlled, cross-over study". Contact Dermatitis. 68 (2): 76–85. doi:10.1111/j.1600-0536.2012.02172.x. PMID 23046099.  ^ a b c Veien, Niels K. (2009-07-01). "Acute and recurrent vesicular hand dermatitis". Dermatologic Clinics. 27 (3): 337–353, vii. doi:10.1016/j.det.2009.05.013. ISSN 1558-0520. PMID 19580928.  ^ Vocks, E.; Plötz, S. G.; Ring, J. (1999-01-01). "The Dyshidrotic Eczema
Eczema
Area and Severity Index - A score developed for the assessment of dyshidrotic eczema". Dermatology. 198 (3): 265–269. doi:10.1159/000018127. ISSN 1018-8665. PMID 10393450. Archived from the original on 2017-04-03.  ^ "eMedicine - Dyshidrotic Eczema : Article by Camila K Janniger". Archived from the original on 2007-07-07. Retrieved 2007-07-10.  ^ BIRT AR (March 1964). "Drugs for Eczema
Eczema
of Children". Can Med Assoc J. 90 (11): 693–4. PMC 1922428 . PMID 14127384.  ^ Stalder JF, Fleury M, Sourisse M, et al. (1992). "Comparative effects of two topical antiseptics (chlorhexidine vs KMn04) on bacterial skin flora in atopic dermatitis". Acta Derm Venereol Suppl (Stockh). 176: 132–4. PMID 1476027.  ^ Baron S, Moss C (February 2003). "Caustic burn caused by potassium permanganate". Arch. Dis. Child. 88 (2): 96. doi:10.1136/adc.88.2.96. PMC 1719457 . PMID 12538301.  ^ "Archived copy". Archived from the original on 2010-03-30. Retrieved 2010-04-07.  ^ Diepgen, Thomas L.; Agner, Tove; Aberer, Werner; Berth-Jones, John; Cambazard, Frédéric; Elsner, Peter; McFadden, John; Coenraads, Pieter Jan (2007-10-01). "Management of chronic hand eczema". Contact Dermatitis. 57 (4): 203–210. doi:10.1111/j.1600-0536.2007.01179.x. ISSN 1600-0536. Archived from the original on 2017-04-02.  ^ Ruzicka T, Lynde C, Jemec G; et al. (2008). "Efficacy and safety of oral alitretinoin in patients with severe chronic hand eczema refractory to topical corticosteroids: results of a randomised, double-blind, placebo-controlled, multicentre trial". British Journal of Dermatology. 158 (4): 808–817. CS1 maint: Explicit use of et al. (link) CS1 maint: Multiple names: authors list (link) ^ Bollag W (1999). "Successful Treatment of Chronic Hand Eczema
Eczema
with Oral 9-cis-Retinoic Acid". Dermatology. 199: 308–312. doi:10.1159/000018280.  ^ Vol. 140 No. 12, December 2004 Archives of Dermatology
Dermatology
Oral Al1itretinoin (9-cis-Retinoic Acid) Therapy for Chronic Hand Dermatitis
Dermatitis
in Patients Refractory to Standard Therapy Results of a Randomized, Double-blind, Placebo-Controlled, Multicenter Trial Thomas Ruzicka, MD; Frederik Grønhøj Larsen, MD, PhD; Dorota Galewicz, MD; Attila Horváth, MD; Peter Jan Coenraads, MD; Kristian Thestrup-Pedersen, MD; Jean Paul Ortonne, MD; Christos C. Zouboulis, MD; Martin Harsch, PhD; Thomas C. Brown, PhD; Maurice Zultak ^ "ICD 11 Beta Draft". 

External links

Classification

V · T · D

ICD-10: L30.1 ICD-9-CM: 705.81 MeSH: D011146 DiseasesDB: 10373

External resources

MedlinePlus: 000832 eMedicine: derm/110 ped/1867 Patient UK: Dyshidrosis

Wikimedia Commons has media related to Dyshidrosis.

Images of dyshidrotic eczema at Skinsight Pompholyx at DermNet NZ (New Zealand Dermatological Society Incorporated)

v t e

Dermatitis
Dermatitis
and eczema (L20–L30, 690–693,698)

Atopic dermatitis

Besnier's prurigo

Seborrheic dermatitis

Pityriasis simplex capillitii Cradle cap

Contact dermatitis (allergic, irritant)

plants: Urushiol-induced contact dermatitis African blackwood dermatitis Tulip fingers

other: Abietic acid dermatitis Diaper rash Airbag dermatitis Baboon syndrome Contact stomatitis Protein contact dermatitis

Eczema

Autoimmune estrogen dermatitis Autoimmune progesterone dermatitis

Breast eczema Ear eczema Eyelid dermatitis Topical steroid addiction Hand eczema

Chronic vesiculobullous hand eczema Hyperkeratotic hand dermatitis

Autosensitization dermatitis/Id reaction

Candidid Dermatophytid Molluscum dermatitis

Circumostomy eczema Dyshidrosis Juvenile plantar dermatosis Nummular eczema Nutritional deficiency eczema Sulzberger–Garbe syndrome Xerotic eczema

Pruritus/Itch/ Prurigo

Lichen simplex chronicus/ Prurigo nodularis

by location: Pruritus
Pruritus
ani Pruritus
Pruritus
scroti Pruritus
Pruritus
vulvae Scalp pruritus

Drug-induced pruritus

Hydroxyethyl starch-induced pruritus

Senile pruritus Aquagenic pruritus

Aquadynia

Adult blaschkitis due to liver disease

Biliary pruritus Cholestatic pruritus

Prion pruritus Prurigo pigmentosa Prurigo simplex Puncta pruritica Uremic pruritus

Other

substances taken internally: Bromoderma Fixed drug reaction

Nummular dermatitis Pityriasis alba Papuloerythroderma of Ofuji

v t e

Disorders of skin appendages (L60–L75, 703–706)

Nail

thickness: Onychogryphosis Onychauxis

color: Beau's lines Yellow nail syndrome Leukonychia Azure lunula

shape: Koilonychia Nail clubbing

behavior: Onychotillomania Onychophagia

other: Ingrown nail Anonychia

ungrouped: Paronychia

Acute Chronic

Chevron nail Congenital onychodysplasia of the index fingers Green nails Half and half nails Hangnail Hapalonychia Hook nail Ingrown nail Lichen planus of the nails Longitudinal erythronychia Malalignment of the nail plate Median nail dystrophy Mees' lines Melanonychia Muehrcke's lines Nail–patella syndrome Onychoatrophy Onycholysis Onychomadesis Onychomatricoma Onychomycosis Onychophosis Onychoptosis defluvium Onychorrhexis Onychoschizia Platonychia Pincer nails Plummer's nail Psoriatic nails Pterygium inversum unguis Pterygium unguis Purpura of the nail bed Racquet nail Red lunulae Shell nail syndrome Splinter hemorrhage Spotted lunulae Staining of the nail plate Stippled nails Subungual hematoma Terry's nails Twenty-nail dystrophy

Hair

Hair loss/ Baldness

noncicatricial alopecia: Alopecia

areata totalis universalis Ophiasis

Androgenic alopecia
Androgenic alopecia
(male-pattern baldness) Hypotrichosis Telogen effluvium Traction alopecia Lichen planopilaris Trichorrhexis nodosa Alopecia neoplastica Anagen effluvium Alopecia mucinosa

cicatricial alopecia: Pseudopelade of Brocq Central centrifugal cicatricial alopecia Pressure alopecia Traumatic alopecia Tumor alopecia Hot comb alopecia Perifolliculitis capitis abscedens et suffodiens Graham-Little syndrome Folliculitis
Folliculitis
decalvans

ungrouped: Triangular alopecia Frontal fibrosing alopecia Marie Unna hereditary hypotrichosis

Hypertrichosis

Hirsutism Acquired

localised generalised patterned

Congenital

generalised localised X-linked

Prepubertal

Acneiform eruption

Acne

Acne vulgaris Acne conglobata Acne miliaris necrotica Tropical acne Infantile acne/Neonatal acne Excoriated acne Acne fulminans Acne medicamentosa (e.g., steroid acne) Halogen acne

Iododerma Bromoderma Chloracne

Oil acne Tar acne Acne cosmetica Occupational acne Acne aestivalis Acne keloidalis nuchae Acne mechanica Acne with facial edema Pomade acne Acne necrotica Blackhead Lupus miliaris disseminatus faciei

Rosacea

Perioral dermatitis

Granulomatous perioral dermatitis

Phymatous rosacea

Rhinophyma Blepharophyma Gnathophyma Metophyma Otophyma

Papulopustular rosacea Lupoid rosacea Erythrotelangiectatic rosacea Glandular rosacea Gram-negative rosacea Steroid rosacea Ocular rosacea Persistent edema of rosacea Rosacea
Rosacea
conglobata variants

Periorificial dermatitis Pyoderma faciale

Ungrouped

Granulomatous facial dermatitis Idiopathic facial aseptic granuloma Periorbital dermatitis SAPHO syndrome

Follicular cysts

"Sebaceous cyst"

Epidermoid cyst Trichilemmal cyst

Steatocystoma

simplex multiplex

Milia

Inflammation

Folliculitis

Folliculitis
Folliculitis
nares perforans Tufted folliculitis

Pseudofolliculitis barbae

Hidradenitis

Hidradenitis suppurativa Recurrent palmoplantar hidradenitis Neutrophilic eccrine hidradenitis

Ungrouped

Acrokeratosis paraneoplastica of Bazex Acroosteolysis Bubble hair deformity Disseminate and recurrent infundibulofolliculitis Erosive pustular dermatitis of the scalp Erythromelanosis follicularis faciei et colli Hair casts Hair follicle nevus Intermittent hair–follicle dystrophy Keratosis pilaris atropicans Kinking hair Koenen's tumor Lichen planopilaris Lichen spinulosus Loose anagen syndrome Menkes kinky hair syndrome Monilethrix Parakeratosis pustulosa Pili (Pili annulati Pili bifurcati Pili multigemini Pili pseudoannulati Pili torti) Pityriasis amiantacea Plica neuropathica Poliosis Rubinstein–Taybi syndrome Setleis syndrome Traumatic anserine folliculosis Trichomegaly Trichomycosis axillaris Trichorrhexis (Trichorrhexis invaginata Trichorrhexis nodosa) Trichostasis spinulosa Uncombable hair syndrome Wooly hair Wooly hair
Wooly hair
nevus

Sweat glands

Eccrine

Miliaria

Colloid milium Miliaria
Miliaria
crystalline Miliaria
Miliaria
profunda Miliaria
Miliaria
pustulosa Miliaria
Miliaria
rubra Occlusion miliaria Postmiliarial hypohidrosis

Granulosis rubra nasi Ross’ syndrome Anhidrosis Hyperhidrosis

Generalized Gustatory Palmoplantar

Apocrine

Body odor Chromhidrosis Fox–Fordyce disease

Sebaceous

Seb

.