Black Spotted Patches on Forearm: Causes, Symptoms, Treatment & Prevention
Black-spotted or dark patches on the forearm are a common skin concern. They can appear gradually or suddenly and may vary in size, color, and texture. Most causes are harmless, but some need medical attention. Below are the most common reasons , explained clearly. 1. Hyperpigmentation This is the most frequent cause of black or dark patches. Occurs due to excess melanin production Triggered by sun exposure , friction, aging, or genetics Usually painless and flat 👉 Common in people who work outdoors or do not regularly use sunscreen. 2. Post-Inflammatory Hyperpigmentation (PIH) Dark spots that appear after skin injury or inflammation . Develops after insect bites, rashes, burns, acne, or allergic reactions More noticeable in darker skin tones Fades slowly over months 3. Sun Damage (Solar Lentigines) Also known as sun spots or age spots . Caused by long-term UV exposure Common on forearms, face, and hands Flat, dark brown or black patches ⚠️ Exc...