With the afternoons still feeling warm and evenings turning noticeably cooler, the frequent temperature shifts are beginning to take a toll on people’s health. Doctors across major hospitals say these fluctuations are affecting immunity, leaving many residents more vulnerable to infections.
From sore throats and low-grade fevers to fatigue, body aches, and nagging coughs, symptoms typical of viral infections are on the rise. Hospitals have also reported a surge in upper respiratory infections, allergic rhinitis, and sinusitis cases over the past few weeks.
Rise in Asthma, Bronchitis and Allergic Reactions as Humidity Levels Swing
“There are clear signs of weather-linked illness,” Dr Rommel Tickoo, director of internal medicine at Max Hospital, Saket, told TOI. “We are seeing more instances of asthma and bronchitis flare-ups, often triggered by allergens and fluctuating humidity.”
According to doctors, this mix of high daytime temperatures and chilly evenings often irritates the airways, worsening symptoms in people already prone to respiratory issues.
Children, Elderly and Patients with Chronic Illnesses Are Most at Risk
Dr Sunil Rana, associate director and head of internal medicine (unit III) at Asian Hospital, told TOI that children, senior citizens, and those with chronic conditions are the most affected.
“Children commonly present with fever and cold, while the elderly may experience worsening of heart or lung problems,” he said. “People with diabetes, asthma or low immunity face higher risks of complications. Preventive steps such as timely vaccination, avoiding sudden temperature changes, and staying well-hydrated are essential.”
Doctors have urged parents and caregivers to keep an eye on early symptoms and avoid self-medication, which can delay recovery.
Viral Infections Are Arriving Earlier and Staying Longer This Year
Dr Rakesh Gupta, senior consultant of internal medicine at Indraprastha Apollo Hospitals, told TOI that the pattern of seasonal illnesses has changed significantly compared to previous years.
“Viral infections are starting earlier and lasting longer,” he said. “Unpredictable weather, high pollution levels, and reduced mask use have made respiratory infections more common. Earlier, we saw peaks in December and January, but now they are appearing as early as October.”
He added that worsening air quality is also triggering more severe allergic reactions. “Climate volatility and post-pandemic changes in immunity are extending these seasonal patterns,” Dr Gupta told TOI. “This highlights the need for stronger preventive healthcare measures and better air quality management.”
Temperature Swings Are Also Impacting Mental Health and Healthcare Systems
Beyond physical illness, doctors are observing a subtle but worrying rise in stress-related symptoms linked to weather changes.
“These abrupt temperature swings can increase stress levels, making patients more prone to anxiety and low mood,” Dr Atul Kakkar, chairman and head of internal medicine at Sir Ganga Ram Hospital, told TOI.
“We are also seeing a sustained rise in hospital visits across the season, putting continuous pressure on healthcare resources that were earlier stretched only for a few weeks.”
Dengue and Chikungunya Still Adding to the Health Burden After Monsoon
Adding to the concern, mosquito-borne illnesses such as dengue and chikungunya are still being reported in several parts of the city. Post-monsoon water stagnation has allowed mosquito breeding to continue, further burdening healthcare facilities already struggling with respiratory and viral cases.
Stay Safe This Season: Expert Tips for Weather-Proof Health
Health experts have shared simple preventive measures to help residents stay well through this unpredictable transition:
From sore throats and low-grade fevers to fatigue, body aches, and nagging coughs, symptoms typical of viral infections are on the rise. Hospitals have also reported a surge in upper respiratory infections, allergic rhinitis, and sinusitis cases over the past few weeks.
Rise in Asthma, Bronchitis and Allergic Reactions as Humidity Levels Swing
“There are clear signs of weather-linked illness,” Dr Rommel Tickoo, director of internal medicine at Max Hospital, Saket, told TOI. “We are seeing more instances of asthma and bronchitis flare-ups, often triggered by allergens and fluctuating humidity.”
According to doctors, this mix of high daytime temperatures and chilly evenings often irritates the airways, worsening symptoms in people already prone to respiratory issues.
Children, Elderly and Patients with Chronic Illnesses Are Most at Risk
Dr Sunil Rana, associate director and head of internal medicine (unit III) at Asian Hospital, told TOI that children, senior citizens, and those with chronic conditions are the most affected.
“Children commonly present with fever and cold, while the elderly may experience worsening of heart or lung problems,” he said. “People with diabetes, asthma or low immunity face higher risks of complications. Preventive steps such as timely vaccination, avoiding sudden temperature changes, and staying well-hydrated are essential.”
Doctors have urged parents and caregivers to keep an eye on early symptoms and avoid self-medication, which can delay recovery.
Viral Infections Are Arriving Earlier and Staying Longer This Year
Dr Rakesh Gupta, senior consultant of internal medicine at Indraprastha Apollo Hospitals, told TOI that the pattern of seasonal illnesses has changed significantly compared to previous years.
“Viral infections are starting earlier and lasting longer,” he said. “Unpredictable weather, high pollution levels, and reduced mask use have made respiratory infections more common. Earlier, we saw peaks in December and January, but now they are appearing as early as October.”
He added that worsening air quality is also triggering more severe allergic reactions. “Climate volatility and post-pandemic changes in immunity are extending these seasonal patterns,” Dr Gupta told TOI. “This highlights the need for stronger preventive healthcare measures and better air quality management.”
Temperature Swings Are Also Impacting Mental Health and Healthcare Systems
Beyond physical illness, doctors are observing a subtle but worrying rise in stress-related symptoms linked to weather changes.
“These abrupt temperature swings can increase stress levels, making patients more prone to anxiety and low mood,” Dr Atul Kakkar, chairman and head of internal medicine at Sir Ganga Ram Hospital, told TOI.
“We are also seeing a sustained rise in hospital visits across the season, putting continuous pressure on healthcare resources that were earlier stretched only for a few weeks.”
Dengue and Chikungunya Still Adding to the Health Burden After Monsoon
Adding to the concern, mosquito-borne illnesses such as dengue and chikungunya are still being reported in several parts of the city. Post-monsoon water stagnation has allowed mosquito breeding to continue, further burdening healthcare facilities already struggling with respiratory and viral cases.
Stay Safe This Season: Expert Tips for Weather-Proof Health
Health experts have shared simple preventive measures to help residents stay well through this unpredictable transition:
- Stay hydrated and drink warm fluids if your throat feels sore.
- Eat fresh, nutritious meals rich in seasonal fruits and vegetables.
- Dress in layers to adjust comfortably to changing temperatures.
- Avoid sudden exposure to cool air after sweating.
- Seek medical advice early if fever or cough persists for more than a few days.
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