Spots on shoulders from sun: what to know

Sun can make existing marks darker and can leave uneven brown areas after irritation or inflammation. Heat, sweat, tight clothing, or thick sunscreen can also block follicles and create rough or pimple-like bumps; this pattern differs from flat pigment. Note whether the spots are flat, scaly, itchy, tender, or filled with fluid, and whether they fade when the skin is protected from sunlight.

Cover the shoulders with clothing, seek shade, and apply broad-spectrum sunscreen to exposed skin, reapplying as directed on the product. Use a gentle cleanser and avoid scrubbing, picking, tanning beds, or unverified lightening mixtures. If bumps follow sweating or friction, choose loose breathable clothing and shower after exercise. A clinician can identify pigment change versus follicle inflammation and recommend a suitable topical treatment.

Book a skin examination for a spot that is new and unlike the others, keeps enlarging, develops an irregular edge or varied colour, repeatedly crusts, or bleeds. Seek earlier care for a painful blistering sun reaction, spreading redness, fever, or eye and mouth involvement. A changing mark deserves assessment even when it does not hurt.

Ask whether the spots are pigment, follicle-related bumps, or another rash; whether a prescription is appropriate; how to protect the area outdoors; and which changes should trigger review.