Red dots on the skin have various causes: Petechiae/Purpura: Tiny spots from damaged blood vessels, possibly linked to stress or platelet disorders. Cherry Angiomas: Harmless, bright red bumps, common with age. Heat Rash: Red, itchy spots from trappedsweat. Allergic Reactions: Red, itchy rashes from food, substances, or insect bites. Folliculitis: Inflamed hair follicles from bacteria or fungi, often pus-filled. Cellulitis: A serious bacterial infection requiring antibiotics. Impetigo: Contagious red sores that ooze and crust over….