The type of hyperhidrosis that usually affects the hands, feet, underarms or face causes at least one episode a week when you're awake. Bottone EJ. The authors thank Dr Maria Ulvestad (Department of Dermatology, Stavanger University Hospital, Stavanger, Norway) for valuable comments. Link JL (expert opinion). PloS One 2015; 10: e0125428. About Chromhidrosis. Coronavirus Incubation Period: How Long and When Most Contagious - WebMD You can take steps to avoid contagious or infectious skin diseases. Clinicals pearls in dermatology 2017. Ensminger PW. Others may have such mild sweat discoloration that they do not even notice it. signs artemis is reaching out Likes. 3. Epidermolysis bullosa, a connective tissue disorder that causes fragile skin that blisters and tears easily. face, axillae, anogenital area, and breast areolae) that . They may then run or request tests to rule out other causes of the discoloration. JAMA Dermatol 2013; 149: 13391340. Anyone who has chromhidrosis should speak with a healthcare provider if they start to experience symptoms of emotional distress, depression, or anxiety. Review of reported cases of chromhidrosis. While it isn't life-threatening, chromhidrosis often causes emotional distress. Hand-foot-and-mouth disease - Symptoms and causes - Mayo Clinic The colour of S. marcescens IPCH is explained by its production of a red pigment, named prodigiosin, which gives the red/pink colour on the skin surface (46). In: Triage Protocols for Aging Adults. The genus, however, which currently has more than 110 validated species, constitutes a very heterogeneous group (59). We report here a case of blue infectious pseudochromhidrosis caused by the bacteria Bacillus cereus and a literature review. Other causes of bronchitis aren't contagious. Some people theorize that hormonal changes or certain ingredients in prenatal vitamins are behind the phenomenon, but we just don't have a clear answer. Heavy sweating can disrupt your day and cause social anxiety and embarrassment. (As always, talk to your healthcare providerabout your individual situation to receive an accurate diagnosis before beginning any new treatment.). Pediatr Dermatol 1995; 12: 4850. All rights reserved. Briggs JK. Sweat When You Eat? Pink eye: How long is it contagious? - Mayo Clinic is chromhidrosis contagious 03 Jun. Under favourable conditions such pigments can result in coloured sweat and/or atypical skin discolouration in patients. If you experience sweating in an unusual hue, talk to your healthcare provider. Sweating causes emotional distress or social withdrawal, You suddenly begin to sweat more than usual, You experience night sweats for no apparent reason. Here, learn about home care techniques and medical treatments that can reduce or stop the, Sweating in the area around the vagina is normal, but it can sometimes cause discomfort and irritation. In a person with apocrine chromhidrosis, lipofuscin causes discoloration as part of the natural process of creating sweat. Here's why: The culprit behind apocrine chromhidrosis is lipofuscin. Infect Immun 2009; 77: 935942. Can poor sleep impact your weight loss goals? Ned Tijdschr Geneeskd 2005; 149: 583 (in Dutch). Acta Derm Venereol 2009; 89: 538539. In terms of pathogenic Bacillus spp., B. anthracis is the only obligate pathogen (where cutaneous anthrax represents 95% of cases worldwide) (53). The B. cereus found in the current case report colonizes human skin and the intestinal tract (54), yet infections in immunocompetent patients are rare (56). It usually affects the palms, soles, underarms and sometimes the face. Indian J Dermatol Venereol Leprol 2014; 80: 579. They're fatty deposits of cholesterol caused by very high levels of triglycerides, a type of fat in your blood. An accurate diagnosis is the first step to getting this rare form of psoriasis under control and getting relief. Wang A, Wysong A, Nord KM, Egbert BM, Kosek J. Chromhidrosis: a rare diagnosis requiring clinicopathologic correlation. The bleeding usually stops on its own, and it's not serious, although it can make . Chang T, Rosch JW, Gu Z, Hakim H, Hewitt C, Gaur A, et al. You can spread the common cold from a few days before your symptoms appear until all of the symptoms are gone. You may opt-out of email communications at any time by clicking on Turnbull PCB. (37). Lack of interest in activities you once enjoyed. The patient also reported staining of her clothes, towels, furniture, and shower. Apocrine glands open into the hair follicle, leading to the surface of the skin. List of rare skin diseases: Pictures, symptoms, and treatments Balasubramanian S, Amperayani S, Dhanalakshmi K, Kumar R. Chromhidrosis colored sweat in a toddler. Click here for an email preview. The isolates were then subject to matrix-assisted laser desorption ionisation time of flight mass spectrometry (MALDI-TOF MS, Bruker Daltonik GmbH, Bremen, Germany) and 16S rRNA gene sequencing with primers based on MicroSEC 500 16S rDNA bacterial sequencing kit (Life Technologies, Paisley, UK). Bacillus cereus, a serious cause of nosocomial infections: epidemiologic and genetic survey. And the sweating usually happens on both sides of the body. that produced black pigment (with the proposed name C. nigricans) (97). No blood samples or other diagnostic tests were performed. Oxidation of lipofuscin, as well as the increase in number of lipofuscin granules, are thought to cause the skin discolouration (4, 5). Microorganisms may produce pigments to increase the likelihood of survival. Snider DE, Jr., Farer LS. Chromhidrosis | definition of chromhidrosis by Medical dictionary There appears to be no link between chromhidrosis and gender, geographic location, the season, or the weather. Retrospectively, her husband also recognized slight blue discolouration located on his right pectoral and deltoid region. Clin Exp Dermatol 2004; 29: 548549. Infections in those with higher risk may last longer. Liu GY, Nizet V. Color me bad: microbial pigments as virulence factors. J Appl Microbiol 2017; 123: 12281236. Dr. Hines conducts a comprehensive evaluation and rules out more serious causes. There is a problem with Rogolsky M. Genetic mapping of a locus which regulates the production of pigment associated with spores of Bacillus subtilis. https://www.uptodate.com/content/search. Apocrine chromhidrosis. Sweating is the body's mechanism to cool itself. Saff DM, Owens R, Kahn TA. Infectious pseudochromhidrosis is a rare dermatological disorder, characterized by a change in colour of the sweat from normal skin, caused by pigments from microorganisms. This content does not have an Arabic version. Good hygiene including hand-washing, avoiding close contact with . The colour of the sweat depends on the dye, drug, or chemical involved, with red, blue, orange, brown, yellow, green, black, and white sweat reported. The color and the vividness of the shade can vary from person to person. Chromhidrosis is a harmless condition. Production of pyomelanin, a second type of melanin, via the tyrosine degradation pathway in Aspergillus fumigatus. The blue colour was present continuously, but was more obvious after physical activity. Keeping the area clean and wearing different clothes can help resolve and. Chromhidrosis | DermNet Learning the ABCs of melanoma could save your life. In some cases, ingesting of certain substances causes discoloration of sweat. Histologically, chromhidrosis is notable for glandular structures with decapitation secretion indicating ectopic apocrine glands in the dermis, and the pr People sweat due to heat, stress, and a range of other causes. Complete remission of blue discolouration was achieved in both patients, and it did not return during an observation time of 6 months. It often begins with antiperspirants. is chromhidrosis contagious. Acral green pigmentation (eccrine chromhidrosis). Accessed June 16, 2022. Biosynthesis of the red antibiotic, prodigiosin, in Serratia: identification of a novel 2-methyl-3-n-amyl-pyrrole (MAP) assembly pathway, definition of the terminal condensing enzyme, and implications for undecylprodigiosin biosynthesis in Streptomyces. Unfortunately, apocrine chromhidrosis is a chronic skin condition symptoms can regress as you age, but there's no guarantee they will. Some people experience a warm or prickly feeling caused by stress or physical activity before colored sweat appears. Arcas J, Ferrer T, Roche MC, Martnez-Bermejo A, Lpez-Martn V. Hypohidrosis related to the administration of topiramate to children. Multiple bacteriological and mycological swabs were taken from all 3 family members. According to the medical journal Pediatrics, chromhidrosis can be treated with topical capsaicin cream 0.025% (applied to the affected skin 1-2 times per day). information submitted for this request. This is a narrative review. Dermatol Online J 2007; 13: 16. An on-site dermatopathology laboratory reduces the time spent waiting on a diagnosis. Hyperhidrosis (hi-pur-hi-DROE-sis) is excessive sweating that's not always related to heat or exercise. Mayo Clinic is a not-for-profit organization. People with chromhidrosis may have more lipofuscin, or lipofuscin that is more oxidized, than others. If your bronchitis is caused by a virus, you can be contagious for a few days to a week. include protected health information. We encourage you to subscribe to our email alerts and blog to stay on top of sweat-related news, research, and events. Panagoulias GS, Basagiannis CS, Tentolouris N, Stavropoulou E, Karnesis L. Colored sweat caused by pseudochromhidrosis. One area of the body that commonly becomes sweaty is the feet. Pistone G, Bellomo L, Alaimo R, Bongiorno MR. Pseudochromhidrosis: the role of dermoscopy in diagnosis. Normally, sweat is a clear, salty fluid, but for people with chromhidrosis, sweat may appear a vivid color such as: The shade of sweat can vary from person to person. Machowinski A, Kramer HJ, Hort W, Mayser P. Pityriacitrin a potent UV filter produced by Malassezia furfur and its effect on human skin microflora. Chromhidrosis is a rare, chronic condition characterized by color in your sweat. Although the condition is chronic, the discoloration of sweat may decrease over time as the body produces less lipofuscin, a pigment that is likely responsible for the color changes. If you're dealing with discolored sweat, schedule a visit with a dermatologist to get answers, rule out more serious conditions, and learn about treatment options. Chromhidrosis has several subtypes, which are described separately on DermNet. This site complies with the HONcode standard for trustworthy health information: verify here. PCRs for dermatophytes were negative. The same authors reported that palmoplantar sweat gland activity is regulated in other neuroanatomical centres (most likely limbic structures) than eccrine sweat gland activity elsewhere on the integument. In severe cases, your health care provider may suggest surgery to remove the sweat glands or to disconnect the nerves related to producing too much sweat. JAAD Case Rep 2017; 3: 273275. Together, these effects could lead to altered sweat pH and hypohidrosis (38). Pigment production by Haemophilus parapertussis. However, stress or embarrassment about the coloration can lead to depression and anxiety. Chromhidrosis is a rare condition with a characteristic presentation of the secretion of colored sweat and was first reported by Yonge in 1709. Dermoscopy of the discoloured areas revealed diffuse superficial pigmentation and an unmodified skin pattern (as postulated by Pistone et al. Upper Respiratory Infection: Symptoms, Contagious, Treatment The treatment options currently available focus on reducing symptoms as much as possible, but there's no cure. Galveston, TX: University of Texas Medical Branch at Galveston, Dept of Microbiology & Immunology, 1996. Mayo Clinic. Eccrine chromhidrosis is generalized discolouration that occurs secondary to ingestion of water-soluble drugs (2, 27, 28), dyes (2931), or due to breakdown products from eccrine glands (2, 3235). Bromhidrosis can affect all age groups, races, and both sexes. (51)). Can diet help improve depression symptoms? Any use of this site constitutes your agreement to the Terms and Conditions and Privacy Policy linked below. Search terms included chromhidrosis, pseudochromhidrosis, coloured sweat, lipofuscin, bacterial pigment, fungal pigment, and promethazine sweat. Mol Microbiol 2005; 56: 971989. privacy practices. Griffith JR. Isolated areolar apocrine chromhidrosis. The virus is shed in stool and vomit. Such pigments have, in some cases, been the suggested or documented reason for coloured sweat. Carotenoid biosynthesis and overproduction in Corynebacterium glutamicum. Apocrine chromhidrosis | DermNet Botulinum toxin a in the treatment of chromhidrosis. Both adults were treated with oral erythromycin, 250 mg 3 times a day, and topical clindamycin 2 times a day for 10 days. Kang S, et al., eds. Can your sweat be different colors? | HowStuffWorks Microbiol Immunol 2017; 61: 490496. Banerjee D, Mondal A, Gupta M, Guha AK, Ray L. Optimization of fermentation conditions for green pigment production from Bacillus cereus M116 (MTCC 5521) and its pharmacological application. A more common type of discolored sweat is called pseudochromhidrosis. A type of chromhidrosis known as pseudochromhidrosis may be a slightly more plausible culprit. If you are experiencing serious medical symptoms, please see the It can be alarming when these uneven, wart-like, waxy bumps suddenly show up on your skin, but they're not an infection, and they're not contagious. causes the sweat glands to secrete colored sweat. Ann Intern Med 2010; 152: 198199. Indian J Dermatol 2017; 62: 675. Her past medical history was insignificant and she had not been diagnosed with any underlying dermatoses. Is Chromhidrosis Behind Your Blue Toilet Seat? | livestrong You can get norovirus by accidentally getting tiny particles of feces (poop) or vomit from an infected person in your mouth. Am J Dermatopathol 2014; 36: 853855. The lack of discolouration in the newborn may reflect the absence of the specific requisite milieu for this pigment-producing Bacillus spp. Molecular evidence of person-to-person transmission of a pigmented strain of Corynebacterium striatum in intensive careunits. While it doesnt threaten your health, seborrheic keratosis can have a major impact on your confidence and self-esteem. Fig. Facial and axillary apocrine chromhidrosis. ", Always Sweating in Your Sleep? Chromhidrosis is harmless, but it can cause embarrassment or distress that may lead to depression or anxiety. J Dermatol 2018; 45: 9194. The pigments described comprise a heterogeneous group of carotenoids (terpenoid pigments) (6772), melanins (7377), alkaloids (78, 79), porphyrins (80, 81), siderophores (65), and flavins (82). Therapy with Botox injections is effective at reducing sweat. Treatment approaches and outcomes associated with the use of abobotulinumtoxinA for the treatment of hyperhidrosis: A systematic review. Bromhidrosis: Causes, Treatment, and More - Healthline Indian Dermatol Online J 2017; 8: 4244. Takita Y, Ichimiya M, Yamaguchi M, Hamamoto Y, Muto M. A case of pseudochromhidrosis due to dihydroxyacetone. BMC Microbiol 2012; 12: 198. Apocrine chromhidrosis over dorsum of foot: a case report. Eccrine chromhidrosis resembling clinical features of pompholyx with bile-like greenish pigmentation on the right palm and soles. Chromhidrosis, colored sweat. There is no cure for rosacea. Lipofuscin is an intra-lysosomal polymeric material that gains colour as it oxidizes, with higher oxidation states resulting in a darker colour (1, 68). Hyperhidrosis and anhidrosis. Haddix PL, Shanks RMQ. This form of colored sweat is seen when normal perspiration at the skin surface interacts with other compounds, such as dyes (from a new pair of jeans, perhaps), chemicals (a la sunless tanning sprays) or chromogenic bacteria on the skin (bacteria that produce pigments), Dr. Friedmann says. It can run in families. Pseudochromhidrosis treatment may involve using antimicrobial medications or stopping other medications and thus allowing the skins natural population of bacteria to rebalance. This may be startling or alarming to anyone who isnt aware of the condition. Key words: chromhidrosis; pseudochromhidrosis; infectious pseudochromhidrosis; coloured sweat; pigment. Talk to a dermatologist about treatment if seborrheic keratosis affects your appearance. An ashen hue was observed primarily on hands, feet, and neck (female patient), and right pectoral region (male patient). Insight of genus corynebacterium: ascertaining the role of pathogenic and non-pathogenic species. J Clin Microbiol 1978; 8: 105107. Bromhidrosis is foul-smelling body odor related to your sweat. Regular sweat is clear or slightly cloudy in color. 2018; doi:10.1016/j.jaad.2018.07.002. Additional investigations were performed, including blood and urine analyses. For patients with pseudochromhidrosis, antimicrobial medications may help balance bacteria to reduce colored sweat. Margari L, Ventura P, Buttiglione M, Presicci A, Lucarelli E, Sardaro M, et al. Other than. There's no specific treatment for hand-foot-and-mouth disease. Koley S, Mandal RK. What About Chromhidrosis During Pregnancy? Hand-foot-and-mouth disease is a mild, contagious viral infection common in young children. There seems to be no association between chromhidrosis and sex, geographic location, season, or weather, though it may be more likely to develop in people of African descent. Red eccrine chromhidrosis with review of literature. Noroviruses are highly contagious. Indian J Dermatol 2016; 61: 454457. The latter approach can stop the sweat from happening for up to 3 days at a time. Whole genome characterization of Bacillus cereus associated with specific disease manifestations. How Viagra became a new 'tool' for young men, Ankylosing Spondylitis Pain: Fact or Fiction, International Hyperhidrosis Society (IHS), https://www.sweathelp.org/where-do-you-sweat/other-sweating/chromhidrosis.html, https://cdn.ymaws.com/www.aocd.org/resource/resmgr/jaocd/contents/volume30/30-05.pdf, https://adaa.org/understanding-anxiety/depression/symptoms, https://www.ncbi.nlm.nih.gov/books/NBK554395/. Bilateral facial apocrine chromhidrosis. Pseudochromhidrosis occurs when sweat interacts with certain substances, resulting in colored sweat. Primary focal hyperhidrosis. This is a contagious infection that affects only the uppermost part of the epidermis. This is a rare dermatological disorder named infectious pseudochromhidrosis. Other possible reasons for the appearance of colored sweat include infection, blood in the sweat (hematohidrosis), excess bilirubin (an orange-yellow pigment formed in the liver), and/or poisoning. Only a few species, however, have been identified to produce carotenoid pigments (e.g. To our knowledge, no definition of this disorder has been proposed. They recorded a slightly decreased pH on the surface of the skin of their patient and proposed that this could be a result of the treatment provided. Pseudochromhidrosis is a condition where colourless, eccrine sweat becomes coloured by exogenous factors on the skin surface, such as chromogenic microorganisms (1, 2, 15, 3638) and chemical agents (3942). Infant with chromhidrosis. Full texts and reference lists were reviewed. Epidermis Function: Get to Know Your Skin - Healthline Treatment for eccrine chromhidrosis tends to involve reducing or eliminating contact with the dye, chemical, or heavy metal responsible for the discoloration. Gaffney DC, Cooper HL. Krishnaram AS, Bharathi S, Krishnan S. An interesting case of bisacodyl (dulcolax)-induced chromhidrosis. The childs swabs grew no microorganisms other than normal microflora. Lipofuscin is common in human cells, but for some reason people with chromhidrosis have higher concentrations of lipofuscin or lipofuscin that is in a higher-than-normal state of oxidation. Due to her reports of hypohidrosis, a sweat provocation test with following sweat pH measurements (Jenway pH meter, Model 3510, Cole-Parmer, Staffordshire, UK) were performed. In the case of chromhidrosis caused by chemicals, treatment tends to involve reducing contact with dyes and heavy metals. Derivatives of the skin. Symptoms: This section is currently in development. Pigment production is known to occur in Bacillus spp. Please tell us where you sweat so we can help you and others. Chromhidrosis is a disorder of the sweat glands that manifests with colored sweat on the face, in the underarms, or on the areola of the breasts (the darker circle of skin around the nipples). Apocrine chromhidrosis must be distinguished from pseudochromhidrosis and eccrine chromhidrosis. Lan L, Cheng A, Dunman PM, Missiakas D, He C. Golden pigment production and virulence gene expression are affected by metabolisms in Staphylococcus aureus. Secondary hyperhidrosis is caused by an underlying medical condition or by taking certain medications, such as pain relievers, antidepressants, and some diabetes and hormonal medications. to grow or to produce its pigment. The oxidation may be triggered by chronic exposure to copper (e.g. There are also several case reports where IPCH has been suspected despite negative cultures (5, 43, 44, 51, 66). Clinical photographs. They're fatty deposits of cholesterol caused. Park, H., & Glick, B. If cultures are negative, and antibiotic treatment does not lead to remission of symptoms, an in-depth medical history and broad diagnostic approach are of importance in determining an alternative cause for chromhidrosis. Green staining of clothing: a signal for pseudomonal infection. Its wise to see a doctor about colored sweat. Fig. Keum DI, Hong H, Lee SH, Ahn SK. Concerning the 4 bacteria described above, the pigments have been chemically extracted and characterized in 2 of them: Serratia marcescens and P. aeruginosa. They're the sweat glands responsible for controlling body temperature, keeping skin hydrated and protecting the skin barrier. Others have noted thatBotox injectionscan treat chromhidrosis. overgrowth upon stopping ranitidine. Sometimes excessive sweating is a sign of a serious condition. Bronchitis itself isn't contagious, but some of its causes are. Stomach flu: How long am I contagious? - Mayo Clinic Publish modules to the "offcanvas" position. If a person with chromhidrosis experiences any symptoms of emotional or psychological distress, they should let a healthcare provider know. Here's what experts have managed to suss out about this puzzling skin condition so far: Apocrine, eccrine and pseudochromhidrosis each show up a bit differently and have their own underlying causes, Daniel Friedmann, MD, board-certified dermatologist at Westlake Dermatology in Austin, Texas, tells LIVESTRONG.com. For evaluation of abnormal colored sweat or any other skin problem, contact our Attleboro, Massachusetts, office at 508-222-1976 or book online to schedule an appointment. Several techniques can, Medical News Today has strict sourcing guidelines and draws only from peer-reviewed studies, academic research institutions, and medical journals and associations. Production by Bacillis subtilis of brown sporulation-associated pigments. Chromhidrosis: Background, Pathophysiology, Etiology - Medscape All tests were normal, apart from a slightly increased alkaline phosphatase (ALP) of 122 U/l (reference range 35105 U/l). It can be alarming when these uneven, wart-like, waxy bumps suddenly show up on your skin, but they're not an infection, and they're not contagious. Chromhidrosis is a rare condition characterized by the secretion of colored sweat. Red facial pseudochromhidrosis. J Clin Microbiol 2003; 41: 43534358. Burkovski A. Corynebacteria: genomics and molecular biology. Pictures of 15 Uncommon Skin Conditions - WebMD https://www.aad.org/public/diseases/a-z/hyperhidrosis-overview. Geelhoed-Duijvestijn PHLM. Hyperhidrosis. 2). Eccrine glands are found almost everywhere on the body (except for the outer ear canal, lips and certain areas of the genital region) and they're especially concentrated on the forehead and cheeks, armpits, palms and soles of the feet. J Pak Med Assoc 2013; 63: 11921194. Skin scrapings for dermatophyte PCR identification were taken from the female and male patient. International Hyperhidrosis Societyhas been awarded as a Top-Rated Nonprofit since 2012! Harada K, Morohoshi T, Ikeda T, Shimada S. A patient with pseudochromhidrosis presenting with pink nails. Chromhidrosis is a rare chronic condition that causes sweat to turn black, blue, green, yellow, or brown. Clinical Neuropharmacol 2008; 31: 339346. Posted at 18:52h in houses for rent in sanger, ca century 21 by sabinas mountain boerne, tx. also described a single strain of C. striatum that produced a soluble, brown pigment (96). Its impossible to prevent melasma. The patient performed 15 min of indoor cycling and 15 min of treadmill running. Chromhidrosis. Hematidrosis (Sweating Blood): Symptoms, Causes, Treatment - WebMD ALP had also been above upper reference limit prior to the presentation of blue discolouration (with no known or suspected cause). Coughing up blood or mucus. Pink eye (conjunctivitis) generally remains contagious as long as your child has tearing and matted eyes. reported a novel Corynebacterium spp. "Finding and stopping the specific cause is paramount.". SPORTS + SWEATING PLAYBOOK VOLUME 2: RUNNING COLD. Labouche F. Pseudochromhidrose infectieuse: une tude de cas et une revue de la littrature. (b) Diffuse blue discolouration with an ashen hue on dorsal side of the foot. Banerjee D, Chatterjee S, Banerjee UC, Guha AK, Ray L. Green pigment from Bacillus cereus M(1)(16) (MTCC 5521): production parameters and antibacterial activity. Kitamura S, Yanagi T, Imafuku K, Hata H, Shimizu H. Lipofuscin deposition causes the pigmentation of apocrine hidrocystoma. PloS One 2018; 13: e0194346. information highlighted below and resubmit the form. Once the cause has been confirmed, they can help you determine the best course of action: ghosting the culprit, treating it (with antibiotics, for example) or replacing it with another option (say, a different medication) that doesn't trigger colored sweat. affecting the skin, including rare conditions such as chromhidrosis. Chromhidrosis is quite rare with limited information about the percentage of people potentially affected. Sweat is your bodys natural response to regulate temperature. Sandmann G. Carotenoids of biotechnological importance. 2004-2023 Healthline Media UK Ltd, Brighton, UK, a Red Ventures Company. Moayedi A, Nowroozi J, Sepahy AA. You may sweat so much that it soaks through your clothes or drips off your hands. Please select your country where you live. Chromhidrosis - PubMed Dermatology 1999; 199: 149152. For evaluation of abnormal colored sweat or any other skin problem, contact our, Current and prospective patients can also. It occurs most often in babies and small children. J Drugs Dermatol 2004; 3: 184186. Infect Immun 2007; 75: 40624070. Red pseudochromhidrosis of the neck. Clin Dermatol 2015; 33: 483491. [2] It is caused by the deposition of lipofuscin in the sweat glands.

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