What should you know about skin spots on legs and arms?

Small red or skin-coloured bumps centred on hairs can occur with folliculitis, shaving or friction. Spots that include blackheads, whiteheads or tender deeper lumps may fit acne, including hormonal acne. A rash around the mouth is more consistent with perioral dermatitis, while facial flushing and visible small vessels point more towards rosacea. Razor bumps are linked to hairs curling back into the skin, especially after close shaving. The same-looking spot can have different causes on different body areas.

Use a gentle cleanser, avoid scrubbing and pause shaving or waxing over irritated areas. Choose loose, breathable clothing if sweat and friction trigger the spots, and avoid squeezing them. Note whether they itch, hurt, contain pus, follow hair removal or leave dark marks. A clinician can match treatment to the cause; LED Light Therapy may be discussed for selected acne-related concerns but is not suitable for every rash.

Arrange an assessment if spots spread quickly, become hot or very painful, drain pus, form deep lumps, leave scars or do not improve after removing an obvious irritant. Seek urgent care for facial swelling, breathing difficulty, widespread blistering, fever or purple spots that do not fade when pressed. A changing solitary spot should also be checked.

Ask whether the spots involve hair follicles, whether shaving or products are contributing, which treatment fits your skin, and how to reduce recurrence or post-inflammatory darkening.