Not every pimple-like bump is acne. Rosacea, folliculitis, perioral dermatitis, milia and keratosis pilaris can sometimes look similar but have different causes and treatments. Dr Lim Tzyy Huei explains how to recognise common differences and when a dermatological assessment may be helpful.

Folliculitis causes small, inflamed bumps around hair follicles, commonly affecting the back, chest, scalp and buttocks. Learn about bacterial and fungal folliculitis, available treatments, why it keeps recurring and how to prevent future outbreaks.