Raised bumps on the skin can result from numerous conditions. One common cause is folliculitis, an inflammation of the hair follicles, often due to bacterial or fungal infections. These bumps are typically small, red, and may contain pus.

Another possibility is keratosis pilaris, a harmless condition where dead skin cells clog hair follicles, resulting in rough, bumpy skin, often on the thighs and arms. Additionally, eczema or contact dermatitis can cause itchy, red bumps due to skin irritation or allergic reactions.

Allergic reactions are a frequent cause of raised bumps on the skin. These reactions can occur due to exposure to allergens such as certain