Dark spots/splotches on skin between and under breasts. Not raised, no discharge, getting darker and more numerous over time. : r/medical

Intertrigo

What causes discoloration of skin under the breast? By discoloration I mean it's like mud pile brown on expresso skin. - Quora

Hello does anyone knows what these black spots on the bottom on my breast could be? : r/DermatologyQuestions

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Skin Discoloration: Causes, Pictures, and Treatment

Seborrheic keratosis vs. melanoma: What's the difference?

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Acanthosis nigricans: Treatment, pictures, causes, symptoms, and more

Why do I have a purple spot on my breast? - Quora

Acanthosis Nigricans Condition, Treatments and Pictures for Teens - Skinsight

Rash Under Breast: Causes, Treatment, and Prevention

Obesity, Scales, and a Sweaty Situation

Pityriasis Rosea Condition, Treatments and Pictures for Adults

Clinical picture of Case 1 showing an erythematous, mildly crusted

Post-Inflammatory Hyperpigmentation (PIH) on the Skin

Hidradenitis Suppuritiva and Scar Removal - New Treatment