Indian patient (mid 70s) with chief concern tongue is turning black. Swipe for more photos. These post inflammatory changes are more common in folks with more melanin in their skin. The underlying case 348 what's black hairy tongue? lingua villosa Nigra, tetracycline, melanosis, leucoplakia ,navi Oral Mucosal Melanosis IntechOpen Primary malignant melanoma of the tongue CJS COM March 2009 Diagnosis UW School of Dentistry Asymptomatic hyperpigmented lesions on tongue Indian Journal of Dermatology, Venereology and Leprology