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Asthma Warning as Algal Bloom Inquiry Heads to Victor Harbor

September 11, 2025 5:46 am in by
A toxic algal bloom at Carrickalinga Beach on July 13, 2025. Photo by Tracey Nearmy/Getty Images

South Australians with asthma are being urged to take extra care around the coast as the state grapples with a toxic algal bloom.

Asthma Australia has warned that brevetoxins released into sea spray can trigger coughing, wheezing and chest tightness, particularly for people with asthma or chronic lung conditions. The not-for-profit recommends avoiding beaches on windy days, keeping windows closed near the coast, and carrying a reliever inhaler.

It comes as testing confirmed toxins linked to skin irritation and gastro in sea foam on metropolitan beaches. SA Health says most symptoms resolve within a few days, but asthmatics and other vulnerable groups may experience more severe reactions.

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The issue is under scrutiny at a Senate inquiry, which has already heard evidence at Seacliff and Port Lincoln. Hearings continue in Ardrossan today, before wrapping up tomorrow, Friday the 12th of September, at the Victor Harbor Bowling Club.

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