Jellyfish belong to the jejunal animal genus, with a transparent or semi transparent body and many tentacles under the umbrella. There are dense prickly sacs on top of them, which contain venom. When the tentacles touch the human body and skin, they can penetrate the skin and release venom, causing poisoning to the human body.
1、 Main symptoms
There is a local electric shock like tingling, numbness, itching, and burning sensation. After 4-6 hours, linear erythema, papules, wheals, blisters, and ecchymosis appear. Muscle pain, fatigue, chest tightness, shortness of breath, palpitations, shortness of breath, low fever, thirst, and cold sweats throughout the body; A few cases of nausea, vomiting, abdominal pain, diarrhea, difficulty breathing, restlessness, decreased blood pressure, hemoptysis and phlegm, if not rescued in time, can lead to death in pulmonary edema and allergic shock.
2、 First aid
1. Apply alkaline solution or 1% ammonia solution locally and apply cold compress to the affected area, or use 1% sodium bicarbonate solution or alum water for cold compress.
2. Take oral antiallergic drugs, such as pheniramine 25mg/time, chlorpheniramine 4mg/time, or diphenhydramine 25mg/time.
3. Intravenous infusion of 10ml of 1% calcium gluconate solution or 5-10mg of dexamethasone.
When blood pressure drops, inject 0.5-1ml of adrenaline into the muscles.
5. When breathing is difficult, take a semi sitting position, clean foreign objects in the mouth and nose, and inhale oxygen.
3、 Prevention
1. Maritime operators should wear protective tools and avoid direct contact with jellyfish.
2. It is prohibited to swim or play in the water outside the bathhouse. You should not go at night.
3. When swimming or discovering jellyfish on the boat or shore, never touch, fish or play with them with your hands or limbs.
