What Causes Summer Skin Allergies and Irritations? Understanding the triggers is the first step to preventing allergic reactions. Some of the most common causes include: Excess sweat blocking pores, leading to prickly heat or rashes Sun exposure, which can trigger photosensitivity or sunburn Fungal infections, especially in areas where sweat collects (like underarms or neck... https://www.drdivyasharma.com/Tired-of-Summer-Skin-Allergies/