Record Surge in Mushroom Poisoning Inquiries Hits Sweden

In the first half of September 2025, Sweden's Poison Information Centre experienced an alarming spike in calls related to suspected mushroom poisoning, receiving 246 inquiries that nearly match the total calls for all of September 2024. This increase is attributed to favorable weather conditions that have led to a surge in mushroom growth, thereby raising the risk of misidentification and poisoning.

Peter Hultén, a pharmacist and mushroom expert, remarked that the volume of calls can fluctuate drastically based on mushroom availability. For comparison, during a prolific mushroom year in 2017, the centre fielded a staggering 2,027 calls, while in 2024, the calls totaled only 1,333. Most of the recent inquiries revolve around unidentified mushrooms, which complicates the assessment process. Despite the surge in calls, serious poisoning cases remain infrequent; historically, the centre reports only five to ten such cases annually, with 20 fatalities recorded since 1950. Many inquiries come from individuals of foreign backgrounds who may confuse poisonous mushrooms with edible varieties from their home countries, such as Amanita virosa. To aid in identification and safety, the centre offers advice in 34 languages and warns inexperienced foragers to exercise caution when collecting mushrooms.