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 Primary malignant melanoma of the tongue CJS case 348 what's black hairy tongue? lingua villosa Nigra, tetracycline, melanosis, leucoplakia ,navi Congenital Melanotic Macule of the Tongue: A Five Year Follow up Dermatology Practical & Conceptual