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  1. Photosensitivity: What it is, Symptoms & Rash, Causes

    Mar 24, 2025 · If your symptoms are a side effect of a medicine or skin care product, stopping or reducing its use may help photosensitive reactions go away. Be sure to check with your healthcare …

  2. Photosensitivity - Wikipedia

    In medicine, photosensitivity is an abnormal reaction of the skin to light. There are two types: photoallergy and phototoxicity. [1][2] The photosensitive ganglion cells in the mammalian eye are a …

  3. Photosensitivity: Definition & Patient Education - Healthline

    Mar 30, 2018 · Photosensitivity is an extreme sensitivity to ultraviolet (UV) rays from the sun and other light sources. Most people are at risk of developing sunburn during long exposure to sunlight. …

  4. Photosensitivity - The Skin Cancer Foundation

    You can become photosensitive as a result of prescription or over-the-counter medications, a medical condition or genetic disorder, or even by using certain types of skin care products. There are two …

  5. Photosensitivity Reactions - Skin Disorders - Merck Manual Consumer Version

    Photosensitivity reactions include solar urticaria, chemical photosensitization, and polymorphous light eruption and are usually characterized by an itchy eruption on patches of sun-exposed skin. People …

  6. What Is Photosensitivity? - accessiBe

    Sep 15, 2025 · Photosensitivity can have various underlying causes, ranging from medical conditions to genetic predispositions. Some common causes include: Certain genetic conditions, such as …

  7. Photosensitivity - What You Need to Know - Drugs.com

    Mar 31, 2026 · Photosensitivity is a skin reaction caused or worsened by sunlight. What increases my risk for photosensitivity? What are the signs and symptoms of photosensitivity? Your signs and …

  8. PHOTOSENSITIVE Definition & Meaning - Merriam-Webster

    The meaning of PHOTOSENSITIVE is sensitive to the action of radiant energy. How to use photosensitive in a sentence.

  9. Photosensitivity - MD Searchlight

    There are five main types of photosensitivity: primary photodermatosis, exogenous photodermatosis, photo-exacerbated dermatoses, metabolic photodermatosis, and genetic photodermatosis.

  10. Sun Allergy (Photosensitivity) - Harvard Health

    May 7, 2024 · Sun allergies are triggered by changes that occur in sun-exposed skin. It is not clear why the body develops this reaction. However, the immune system recognizes some components of the …