Trench foot at sea: immersion foot, sea boot foot and how crews prevent and treat it
Trench foot, or immersion foot, can start after 14 to 22 hours in cold seawater. The four stages, safe treatment on board and prevention for crews.
October 26, 2026
Ciguatera poisoning: symptoms, treatment and the crew outbreaks that started with one barracuda
Ciguatera poisoning comes from tropical reef fish and survives cooking. Two ship outbreaks, the symptom timeline, the treatment evidence and a galley plan.
Man overboard: the survival data, the cold water clock and the medical care after recovery
204 US fishermen died after falling overboard from 2000 to 2016, none in a lifejacket. The cold water clock, safe recovery, CPR after drowning and the rules.
Fish handler’s disease: erysipeloid and the other fish-handling infections crews should know
Fish handler’s disease is erysipeloid, a hand infection from fish cuts. Signs, timing, penicillin treatment, the Vibrio risk and a crew prevention plan.