Dr Somsak Akksilp, director general of the Department of Medical Services, explained that the swelling is caused by venom, which in the worst-case scenario can cause death from anaphylaxis or a serious allergic reaction resulting in suffocation. 
Dr Mingkwan Wichaidit, director of the Institute of Dermatology, added that 0.4 to 3 per cent suffered from anaphylaxis after being stung by bees, while some suffered from arrhythmia or irregular heartbeat.

Getting a bee-stung pout can be fatal, warn doctors

Getting bees to sting the lips for a bee-stung pout can be dangerous, and even fatal, doctors said after a video clip of a woman getting her mouth stung by bees went viral.