# Weather-related health risks in Vietnam > Live situation record from CLSTR: https://clstr.news/situations/weather-related-health-risks-in-vietnam > Updated: 2026-09-20T03:00:00.000Z. Sources: 6. Developments: 2. Medical experts in Vietnam are warning of increased health risks driven by unstable weather patterns and environmental factors. In Northern Vietnam, seasonal transitions involving fluctuations in temperature and humidity have been linked to rising asthma risks. Dr. Nguyen Huu Truong of Bach Mai Hospital noted that sudden exposure to cold or dry air can cause bronchial spasms. Experts cautioned against the misuse of rescue inhalers without maintaining prescribed controller medications like inhaled corticosteroids. In southern regions, including Ho Chi Minh City, health professionals have highlighted risks to children caused by high humidity, air pollution, and erratic weather. These conditions are associated with a rise in respiratory infections, digestive issues, dengue fever, and hand-foot-and-mouth disease. Additionally, in Ha Tinh province, authorities have advised caution regarding Respiratory Syncytial Virus (RSV), noting its symptoms can be mistaken for a common cold. ## Timeline ### 2026-09-20: Vietnam health experts warn of rising childhood illness risks Doctors warn that unstable weather and pollution in southern Vietnam are increasing risks of respiratory, digestive, and infectious diseases in children, urging parents to monitor severe symptoms. 2 sources. https://clstr.news/cluster/vietnam-health-experts-warn-of-rising-childhood-illness-risks ### 2026-08-27: Asthma risks rise during seasonal weather changes in Northern Vietnam Seasonal weather changes in Northern Vietnam increase asthma risks. Experts warn against relying only on rescue inhalers and emphasize the importance of continuous controller medication. 5 sources. https://clstr.news/cluster/asthma-risks-rise-during-seasonal-weather-changes-in-northern-vietnam --- Cite as: Weather-related health risks in Vietnam. CLSTR, https://clstr.news/situations/weather-related-health-risks-in-vietnam