T63.62

Clinical Causes: Accidental contact with jellyfish while swimming in the ocean or in jellyfish-infested waters. Handling jellyfish intentionally, such as for research, releases, or during swimming activities. Being stung during water sports like surfing, snorkeling, or diving. Encountering jellyfish washed ashore or floating near the surface of the water.

Key Symptoms: Immediate sting sensation upon contact Redness and swelling at the site of contact Pain, which can range from mild to severe Itching and irritation around the affected area In some cases, more severe reactions like nausea or dizziness Faint skin lesions or welts that may persist for hours or days Rarely, systemic reactions such as difficulty breathing or muscle cramps

Diagnosis Path: Diagnosis primarily involves recognizing the history of jellyfish exposure combined with characteristic skin reactions. Healthcare providers look for signs such as localized redness, swelling, and pain. In some cases, identification of the jellyfish species involved can assist in management. Additional tests are rarely needed unless systemic symptoms develop, which might require further medical evaluation.

Treatment Protocols: Rinse the affected area with seawater or vinegar to deactivate remaining nematocysts (stinging cells). Avoid using freshwater, which may trigger additional nematocyst discharge. Remove visible tentacles carefully using tweezers or gloved hands to prevent further stings. Immerse the area in hot water (not scalding) for 20 to 45 minutes to soothe pain. Apply over-the-counter pain relievers and antihistamines to reduce discomfort and allergic reactions. Monitor for signs of allergic reactions or systemic symptoms and seek immediate medical care if these occur. In severe cases, especially with widespread reactions or breathing difficulties, emergency medical treatment including epinephrine may be necessary.