|Year : 2017 | Volume
| Issue : 1 | Page : 42-44
Yellow pseudochromhidrosis in a young female
Pragya A Nair, Rahul Krishna S Kota, Nishit K Surti, Nilofar G Diwan, Shailee S Gandhi
Department of Skin and VD, Shree Krishna Hospital, Anand, Gujarat, India
|Date of Web Publication||20-Jan-2017|
Dr. Pragya A Nair
Department of Dermatology and Venereology, Pramukhswami Medical College, Karamsad, Gujarat - 388 325
Source of Support: None, Conflict of Interest: None
| Abstract|| |
Chromhidrosis is a rare disorder in which there is pigmentation of sweat in a variety of colors. It can be classified into apocrine, pseudoeccrine, and true eccrine chromhidrosis. Pseudochromhidrosis is a condition in which the excreted sweat is colorless, but later acquires color due to contact with chromogenic chemicals. Systemic and topical antibiotics are the mainstay of treatment. Although it does not constitute a major health issue, it causes psychological stress and social embarrassment. A 20-year-old female presented to us with yellow-colored sweat and discoloration of clothes since 1 month. Routine laboratory investigations were normal. Skin scrapings were negative for fungus and bacteria. Skin biopsy was also normal. She was labelled as a case of pseudochromhidrosis, and oral and topical antibiotics were prescribed, to which she responded well.
Keywords: Chromhidrosis, pseudochromhidrosis, yellow discoloration
|How to cite this article:|
Nair PA, Kota RK, Surti NK, Diwan NG, Gandhi SS. Yellow pseudochromhidrosis in a young female. Indian Dermatol Online J 2017;8:42-4
|How to cite this URL:|
Nair PA, Kota RK, Surti NK, Diwan NG, Gandhi SS. Yellow pseudochromhidrosis in a young female. Indian Dermatol Online J [serial online] 2017 [cited 2019 Aug 23];8:42-4. Available from: http://www.idoj.in/text.asp?2017/8/1/42/198778
| Introduction|| |
Chromhidrosis is a rare disorder in which there is pigmentation of sweat in a variety of colors. Most commonly reported colors are blue, black, green, brown, yellow, and red. This condition was first described by Yonge in 1709. It was classified into apocrine, pseudoeccrine, and true eccrine chromhidrosis by Cilliers and de Beer. Pseudochromhidrosis is a condition where normal colorless sweat is excreted, which later acquires color following contact with chromogenic microbial products or extrinsic chemicals. Although pseudochromhidrosis does not constitute a health issue, it may cause psychological stress and social embarrassment. Here, we describe a case of a 20-year-old female with pseudochromhidrosis.
| Case Report|| |
A 20-year-old female presented with complaints of yellowish discoloration of skin over the face, forearms, palms, and soles due to yellow colored sweat since 1 month. She also complained of yellowish staining of the clothes. This discoloration was aggravated with exertion. There was no history of ingestion of any drugs, foods rich in carotene such as carrots, citrus fruits, and sweet potatoes. She denied contact with yellow colored products in the form of any chemicals, dyes, deodorants, and colored clothes. She also denied using any type of cosmetics over her body. There was no history of specific odour and she had no underlying psychiatric ailment. There were no similar complaints in the past or in the family. On dermatological examination, skin appeared yellowish over the palms and forearm, toe webs, and face [Figure 1]a, [Figure 1]b, [Figure 1]c. Axillae and groins were normal. Wood's lamp examination showed yellowish florescence over face and palms. [Figure 2]a, [Figure 2]b Blotting sweat with a white cloth showed yellow stain. [Figure 3]a There was an odourless yellowish discoloration on her clothes. [Figure 3]b. The color of her tears, saliva, and urine was unchanged. Routine laboratory investigations were normal. Microscopy and culture of skin scrapings were negative for fungus and bacteria. Skin biopsy was negative for lipofuscin granules, which excluded chromhidrosis. Therefore, this was labelled as a case of pseudochromhidrosis. Patient was started on empiric treatment with oral erythromycin and antiseptic soap for 15 days, to which patient responded well. [Figure 4]a,[Figure 4]b.
|Figure 1: Yellow discoloration over (a) palms and forearms, (b) toe webs, and (c) face|
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|Figure 2: Wood's lamp showing yellowish florescence over (a) face and (b) palms|
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|Figure 3: (a) Blotting sweat with a white cloth showing yellow stain. (b) Yellowish discoloration on her clothes|
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|Figure 4: Clearing of yellowish discoloration in follow up over (a) face and (b) palms|
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| Discussion|| |
Pseudochromhidrosis, also known as extrinsic chromhidrosis, is a condition in which normal colorless sweat becomes colored because of the presence of chromogens, such as chromogenic bacterial products (e.g., those of Corynebacterium species), chemicals, heavy metal paints, or clothing dyes, and self-tanning products when it reaches the skin. Fungal and bacterial cultures of the skin should be performed to eliminate the cause of mere pseudochromhidrosis.
Corynebacteria are responsible for red pseudochromhidrosis, whereas Malassezia furfur and Bacillus speciesare the agents involved in the blue pseudochromhidrosis. The ecological stability of these commensal bacteria in different body sites rely on environmental factors such as hydration, oxygen, growth substrates, and the pH of the stratum corneum. Pseudochromhidrosis needs to be differentiated from apocrine and eccrine chromhidrosis because it is important for the prognosis [Table 1]. Although the presentations of apocrine and eccrine chromhidrosis are similar, the pathophysiology is quite different. There are case reports of pseudochromhidrosis with reddish pigmentation where no organism was isolated in the culture but were successfully treated with oral and topical antibiotics., Our case, which showed yellowish discoloration of the skin, was also negative for organisms on culture, but improvement with oral erythromycin and topical antiseptic soap shows bacterial etiology.
The initial assessment of a patient who presents with pigmented sweat should include detailed history with careful attention toward any new medications started close to the onset of the symptoms, including herbal medications, vitamins, and other supplements, the history of which was denied by our patient. A thorough psychiatric evaluation was done by a psychiatrist to rule out any psychiatric ailment. The production of colored sweat has an impact on psychological and social functioning.
The differential diagnosis for skin and sweat pigmentation includes hyperbilirubinemia, hematohidrosis, alkaptonuria, copper exposure, Addison disease, and hemochromatosis. Hematohidrosis is a very rare condition in which patient sweats blood. Because there is no known treatment that targets the accumulation of lipofuscin, apocrine chromhidrosis is usually recurrent. The treatment is usually targeted toward reducing sweat secretion by topical capsaicin cream, which is inexpensive and effective if continued; however, it has side effects such as intolerable pain, pruritus, soreness, and itching. Capsaicin stimulates afferent unmyelinated nerve fibers causing release of substance P stored in synaptic vesicles, and prolonged use leads to depletion of substance P in the unmyelinated, slow-conducting, type C sensory fibers. Injections of botulinum toxin is effective for focal chromhidrosis, such as in the axillae, although the treatment of large areas is costly. Because of the natural regression of the apocrine sweat glands with age, it is likely that symptoms may diminish, although there is no long-term follow up of patients. Treatment of eccrine chromhidrosis consists of only ceasing the consumption of soluble pigment.
Although treatment for pseudochromhidrosis has been successful with antibiotics and cessation of the offending agent, it can be a cause of embarrassment for patients and can be frustrating for healthcare provider and patients both.
| Conclusion|| |
This is a rare case of pseudochromhidrosis leading to yellowish discoloration of skin with no specific cause, but which responded to oral antibiotic and use of antiseptic soap.
Declaration of patient consent
The authors certify that they have obtained all appropriate patient consent forms. In the form the patient(s) has/have given his/her/their consent for his/her/their images and other clinical information to be reported in the journal. The patients understand that their names and initials will not be published and due efforts will be made to conceal their identity, but anonymity cannot be guaranteed.
Financial support and sponsorship
Conflicts of interest
There are no conflicts of interest.
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[Figure 1], [Figure 2], [Figure 3], [Figure 4]