research Total melanonychia of 20 nails as a rare manifestation of vitamin B12 deficiency
Vitamin B12 deficiency can cause darkening of all nails.
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research Hyperpigmentation Associated with the Use of Topical Cidofovir for Treatment of Trichodysplasia Spinulosa in an Immunosuppressed Adult: Case Report and Review of the Literature
Using cidofovir cream for a rare skin disease can cause skin darkening.
research Postsclerotherapy Hyperpigmentation: A Histologic Evaluation
Most patients' skin darkening after sclerotherapy fades on its own within 6-24 months.
research Nail pigmentation may be an early sign of minocycline-associated cutaneous pigmentation: A systematic review
Nail color change might be an early sign of skin pigmentation from minocycline.
research Trichoscopic findings of discoid lupus erythematosus alopecia: A cross-sectional study
Shiny white structures in trichoscopy can indicate long-standing discoid lupus erythematosus alopecia.
research Pigmented contact dermatitis due to therapeutic sensitizer as complication of contact immunotherapy in alopecia areata
Some patients with severe alopecia areata developed skin darkening from their treatment, which may indicate a less effective response to the therapy.
research Nail, hair and skin hyperpigmentation associated with indinavir therapy
Indinavir therapy can cause reversible skin, hair, and nail darkening.
research Nail Hyperpigmentation Following Valproic Acid Use: A Rare Case Report
Valproic acid can rarely cause reversible nail discoloration.
research 3,4,5-Tri-O-Caffeoylquinic Acid Promoted Hair Pigmentation Through β-Catenin and Its Target Genes
A substance called TCQA could potentially darken hair by activating certain genes and increasing melanin.
research Diphenylcyclopropenone: An Important Agent Known to Cause Depigmentation / Reply
research Discoid lupus erythematosus skin lesion distribution and characteristics in Black patients: a retrospective cohort study
Black patients with discoid lupus erythematosus have more severe skin damage and higher chances of dyspigmentation, scalp, and ear involvement.
research Melanosis Coli After Long-Term Ingestion of Cape Aloe
Long-term Cape Aloe use causes harmless colon pigmentation that can help detect polyps.
research SCAR DUE TO SULFUR MUSTARD GAS ON THIGH WITH CHERRYANGIOMAS, DECREASED HAIR GROWTH AND PIGMENTARYDISORDER: A CASE REPORT
research Hair and nail disorders
Hair and nail disorders can cause changes in scalp pigmentation, especially with sun exposure and alopecia.
research Repigmentation of hair following adalimumab therapy
A patient's grey hair regained color during treatment with adalimumab.
research Hair loss and bronze discoloration of the skin in lupus erythematosus
research Permanent hair dyes and bladder cancer risk
Permanent hair dye use may increase bladder cancer risk, especially in female smokers with certain genetic traits.
research Chemically Induced Depigmentation of Skin and Hair
Some chemicals can permanently or temporarily remove color from skin and hair, which can be distressing and is not well-regulated in cosmetics.
research Heterogeneous red–white discoloration of the nail bed and distal onycholysis in a patient with COVID‐19
A COVID-19 patient had unusual nail discoloration and nail separation possibly due to the virus's effects on small blood vessels.
research Hair discoloration caused by minoxidil lotion
Minoxidil lotion can cause hair discoloration.
research A Case of Tofacitinib for the Treatment of Resistant Vitiligo and Sustained Repigmentation After Discontinuation
A woman's vitiligo improved with tofacitinib treatment, and her skin color remained even after stopping the medication, but there are concerns about cancer risk.
research Retiform Purpura Caused by the Use of Cocaine, That Was Probably Adulterated with Levamisole
Cocaine possibly mixed with levamisole caused a woman's skin condition and blood issues, which improved with treatment.
research ERYTHROMELANOSIS FOLLICULARIS FACIEI ET COLLI
Three Iranian men had reddish-brown facial pigmentation with no effective treatment.
research Reversible cutaneous hyperpigmentation and nails with white hair due to vitamin B12 deficiency.
Vitamin B12 deficiency can cause skin darkening and white hair, but it's reversible.
research Argyria in a patient with a delusional disorder
A man with a mental disorder turned his skin blue-gray by drinking silver to treat warts.
research Eccrine Duct Dilation as a Marker of Cicatricial Alopecia
Enlarged sweat gland ducts may indicate scarring hair loss.
research Treatment of black hairy tongue with triamcinolone acetonide
Triamcinolone acetonide effectively treated black hairy tongue.
research Spurious Tetracycline Fluorescence in Hair
research A Note on Postinflammatory Hair Darkening
Hair can darken after inflammation and then return to its original color.
research Dasatinib-Induced Leukotrichia in a Patient With Chronic Myelogenous Leukemia
A woman's hair turned white after taking a cancer drug called dasatinib.