Does eating fish together with yoghurt cause poisoning?

Answer

No. According to the Ministry, the belief that fish and yoghurt must not be eaten together has no scientific basis. The real risk is stale fish: in fish that has not been chilled and stored properly, histamine increases and can lead to histamine poisoning, with symptoms such as flushing, itching, headache and gastrointestinal complaints. Because yoghurt too may naturally contain small amounts of histamine, symptoms may become more pronounced alongside stale fish; the culprit, however, is not the yoghurt but the fish that has lost its freshness. Fresh fish, stored properly and cooked well, can safely be eaten with fresh yoghurt.