No More Beach Myth: Why Urine Harms Jellyfish Stings — and What Really Helps

Paris - 10 July 2026: The widespread advice to treat jellyfish stings with urine persists – it is not medically supported. Professional societies and health services warn that urine does not reliably deactivate the stinging cells and can additionally irritate the skin. Depending on its salt content and pH, urine can even cause stronger pain or infections if microbes enter micro-injuries.As a first measure, official guidelines recommend gently rinsing the affected skin with seawater. This allows loose tentacles to be removed without activating further stinging cells (nematocysts). It is important ...