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DOH warns of leptospirosis risk as floods sweep across Philippines

The Department of Health has issued guidance on preventing leptospirosis infections following widespread flooding across the country. Health officials recommend that anyone exposed to floodwaters seek medical consultation about preventive antibiotics, regardless of visible wounds.

LSN Philippines · 18 August 2026

MANILA — The Department of Health cautioned Filipinos about the heightened risk of leptospirosis transmission during the current flooding crisis, urging residents to take protective measures against the infectious disease.

The DOH emphasized that individuals who have waded through contaminated floodwaters should promptly consult healthcare providers about antibiotic prophylaxis. Officials stressed that medical consultation is warranted even for those without apparent cuts or abrasions, as the bacteria can enter the body through microscopic breaks in the skin and mucous membranes.

Leptospirosis, a potentially fatal bacterial infection spread through contact with water contaminated by animal urine, poses particular danger during flood events when sanitation systems are compromised and disease vectors proliferate. The DOH's guidance underscores the importance of early intervention in preventing severe complications from the illness.

Beyond medical intervention, health authorities recommend residents avoid unnecessary contact with floodwaters, maintain proper hygiene practices, and ensure access to clean drinking water. Communities affected by flooding have been advised to report cases promptly to local health facilities to enable swift response and disease containment efforts.