Estimation of local incidence of jellyfish envenomation in developed marine coastal areas and large populated island on the western coast of Peninsular Malaysia using case surveillance of government health facilities in Manjung, Perak and Langkawi Island

Background: Jellyfish stings are one of the commonest causes marine animal related injuries in human. Despite mostly being harmless, box jellyfish species can cause major with fatalities or systemic envenoming symptoms. There 15–20 identified to be life-threatening. few reported cases that suggest presence deadly Malaysian coast. However, numbers around Malaysia still under reported. Materials and methods: This observational study was conducted Manjung, Perak Langkawi Island look at pattern incidence which occur within 1 year. Results: were 45 sting incidents highest number occurred December February. Cases mainly involved young adults aged 10 29 years old. The most common clinical symptom presented sudden persistent pain. Vinegar applied as first aid 53.3% stings. All patients treated symptomatically discharged well. Stings mean sea surface temperature 29.38°C wind speed 7.6 knots. mild did not require antivenom. Conclusions: showed occurrence affected by weather conditions. seasonally, thus making it predictable easily preventable public awareness, early application use nets.