Tag: Skin reaction

Phytophotodermatitis, a skin condition triggered by furocoumarins, typically takes 24 to 48 hours for its symptoms to appear after exposure to certain plants and sunlight. This inflammatory reaction is a direct toxic effect, not an allergic one, and results from a chemical process in the skin.

Niacin, also known as vitamin B3, is a crucial nutrient for various bodily functions. When taken in supplemental doses, particularly as nicotinic acid, it can cause a temporary skin reaction known as a niacin flush. This experience, while often startling, is generally harmless and well-understood.

Photosensitivity reactions, or unusual skin reactions to sunlight, can be caused by hundreds of medications, chemicals, and internal factors. Among these, excessive intake of one key nutrient has been identified as a potential trigger. Discover what vitamin causes sun sensitivity and other surprising factors that heighten your skin's reaction to sunlight.