January 2014 in “대한피부과학회지” A hepatitis B patient lost hair in patches after starting and stopping a treatment with pegylated interferon alpha2a.
97 citations
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January 1999 in “International Journal of Dermatology” Pityriasis rubra pilaris is a rare skin disorder with reddish-orange patches and thickened skin, needing better treatment understanding.
63 citations
,
October 1989 in “Journal of The American Academy of Dermatology” Red, swollen skin patches are a common allergic reaction to heparin injections, and testing with different heparin types can help find a suitable treatment.
16 citations
,
April 2011 in “Recent Patents on Inflammation & Allergy Drug Discovery” Alopecia Areata is an autoimmune disease causing hair loss in patches, often starting before age 20, and while some cases recover on their own, treatments include topical corticosteroids, minoxidil, and promising new methods like IL-31 antibodies and 308-nm Excimer laser therapy.
9 citations
,
December 2020 in “Journal of The American Academy of Dermatology” Platelet-rich plasma may help restore immune balance in bald patches, but its effectiveness in treating hair loss is limited.
3 citations
,
August 2017 in “Clinical case reports” A rare skin condition causes red and dark patches on the face and limbs.
1 citations
,
April 2012 in “Journal of the American Academy of Dermatology” Clofazimine effectively treated a rare skin condition with ash-gray patches.
January 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Ayurvedic treatments helped regrow hair and reduce bald patches in a woman with alopecia areata.
November 2019 in “Harper's Textbook of Pediatric Dermatology” Children with metabolic syndrome often have skin problems like dark patches, skin tags, stretch marks, infections, acne, and psoriasis, which are linked to obesity and insulin resistance.
April 2012 in “Informa Healthcare eBooks” Temporal triangular alopecia is a lifelong condition with hairless patches on the side of the head that may be present from birth.
December 2007 in “CRC Press eBooks” Alopecia areata incognita causes widespread hair loss without patches and needs a scalp biopsy for diagnosis.
60 citations
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October 2014 in “Journal of the American Academy of Dermatology” Dermatologists play a key role in treating skin symptoms of PCOS like dark patches, excess hair, acne, and hair loss.
20 citations
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April 1959 in “A M A Archives of Dermatology” Alopecia mucinosa causes red, raised skin patches and hair loss.
7 citations
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March 2018 in “Journal of The American Academy of Dermatology” Skin changes like hair loss, white patches, and nail changes are common in children after bone marrow transplants, often linked to chronic rejection.
6 citations
,
November 2011 in “Journal of Dermatological Science” A new gene mutation may allow some piebaldism patients to regain skin color in white patches.
4 citations
,
November 2018 in “JAAD case reports” Alopecia areata can sometimes appear as a straight line of hair loss instead of round patches.
3 citations
,
April 2017 in “Journal of Medical Science And clinical Research” PCOS often causes acne, dark skin patches, excess hair, and hair loss, linked to hormone levels and obesity.
82 citations
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November 1985 in “Archives of Dermatology” The newborn's skin condition improved over time, leaving only lighter skin patches.
69 citations
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April 1998 in “Journal of The American Academy of Dermatology” Single hair grafting is effective for treating small, localized patches of vitiligo.
7 citations
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January 2013 in “Indian dermatology online journal” A rare skin condition with dark, thick, warty patches and some hair loss was found in a newborn boy.
3 citations
,
December 1967 in “Australasian Journal of Dermatology” Becker's Melanosis and Hypertrichosis mainly affects young males, causing brown skin patches and extra hair on one side of the upper body.
1 citations
,
November 2003 in “Annals of saudi medicine/Annals of Saudi medicine” A 17-year-old in Saudi Arabia was diagnosed with a rare skin condition causing red-brown facial patches.
July 2022 in “Berkala Ilmu Kesehatan Kulit dan Kelamin/Berkala ilmu kesehatan kulit dan kelamin (Periodical of dermatology and venerology)” Most tinea capitis patients were young boys with cat contact, had scaly patches caused by Microsporum canis, and improved with griseofulvin treatment.
76 citations
,
January 2007 in “American Journal of Clinical Dermatology” Women with PCOS often have skin problems like excessive hair, acne, hair loss, and dark patches, which can be treated with hormonal and non-hormonal therapies.
6 citations
,
January 2001 in “Cambridge University Press eBooks” PCOS can cause excess hair growth, oily skin, hair loss, acne, and dark skin patches.
1 citations
,
March 2020 in “International journal of reproduction, contraception, obstetrics and gynecology” The study concluded that the most common skin problems in women with PCOS are excess hair, acne, oily skin, hair loss, dark skin patches, and skin tags.
1 citations
,
October 1990 in “The Lancet” Using minoxidil for hair growth may cause skin lesions in some people, and taking breaks from nitrate patches for angina might worsen symptoms.
December 2025 in “BENTHAM SCIENCE PUBLISHERS eBooks” PCOS often causes skin issues like excess hair, acne, hair thinning, and dark patches due to hormone imbalances and insulin resistance.
November 2020 in “ALEXMED ePosters (Online)” People with PCOS often have skin problems like excessive hair growth, hair loss, acne, and dark patches, which are linked to hormonal and metabolic imbalances.
January 2020 in “Open Journal of Obstetrics and Gynecology” All women with Polycystic Ovary Syndrome (PCOS) in a study had at least one skin disorder, with the most common being excessive hair growth, acne, dark skin patches, hair loss, and oily skin.