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Heatwave Triggers GI Infections Surge in Mumbai
8 Apr
Summary
- Mumbai hospitals report a 50% rise in stomach infections due to heat.
- Heat amplifies pathogen growth and dehydrates the body, weakening gut defense.
- Temperature swings between humid outdoors and AC environments stress the body.

As Mumbai grapples with intense heat and humidity, a sharp rise in gastrointestinal infections is being observed across the city. Hospitals report nearly a 50% increase in cases, with individuals aged 30 to 45 being particularly affected. These infections often begin with mild symptoms like bloating but can rapidly escalate to severe discomfort.
The prevailing heatwave is a major contributing factor, as high temperatures accelerate the multiplication of pathogens, increasing the risk of food and water contamination. Dehydration, common during heatwaves, weakens the gut lining, making individuals more susceptible to infections that their bodies might otherwise resist.
Rapid temperature fluctuations, such as moving between hot outdoor environments and air-conditioned spaces, further stress the body's immune system. This disruption can alter gut bacteria balance, leading to inflammation and gastrointestinal issues. Neurological symptoms like dizziness and confusion are also linked to heat stress and dehydration.
To combat these issues, health experts advise consuming 3-4 litres of fluids daily, including traditional drinks, and minimizing outdoor activity during peak heat hours. Adopting protective measures when outdoors and consuming freshly-prepared home food are also recommended to prevent illness during this period.