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What Is 'April Illness'? Know All About This New Health Concern Impacting Indians

What is April Illness? It refers to the unexpected rise in respiratory issues such as colds, coughs, and sore throats that tend to spike during April despite the hot and scorching weather. Read on to know the factors causing this rise.

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Written By: Kinkini Gupta | Updated : April 16, 2025 5:54 PM IST

Infections and illnesses have been making its rounds in Indian states and people are calling it 'April Illness.' What is This April Illness all about? It refers to the unexpected rise in respiratory issues such as colds, coughs, and sore throats that tend to spike during April, despite the warmer weather. It's not a single disease, but a combination of factors that lead to an increase in these types of infections around this time. Since the start of the month of April, people have been experiencing health problems like cough, cold and throat infections. These infections have also been spreading rapidly acro0ss the country. The reason why experts find it unusual because April is not the month when these illnesses peak, rather its during the winter months. However, there are several reasons why these infections have been spreading of late.

5 Factors That Are Causing April Illness Among Indians

Dust Storms And Air Pollution

The month of April indicates the start of dust storms which are locally known as andhi and seasonal storms which are called kalbaisakhi in many regions. During this time the pollution levels are also high especially in metropolitan cities. Winter may have passed but that does not mean that pollution levels are low. The combination of storms, season changes and pollution levels have an impact on health causing many illnesses including cough, cold, irritation in the throat, etc.

New Wave of Old Virus

The virus that makes their rounds during winter season do not go away that easily when the season changes. The chances of infection are high in this season because of warm temperatures, festivities, season and temperature changes.

Weather Swings

The month of April in India this year has been stranger than any other year. It was also declared that April 2025 has been the hottest April compared to the previous years. The temperature reached the maximum limit of 42 this month which is very rare given that it is not peak summer yet. Many cities also have high temperatures in the morning and low temperatures at night causing a fluctuation that may be bad for health and infections.

Excessive Consumption of Cold Beverages

When the weather is too hot, consuming very cold beverages can make you prone to illnesses especially infections like cough, sore throat, common cold, etc. April is the month when the temperature starts to rise right after the cold winter months. This is when people love indulging in cold water, beverages and ice creams leading to a rise in throat infections. This happens due to frequent fluctuations in the body temperature.

Weak Immune System Due to Season Change

Season changes especially from very cold and harsh winter season to very hot climate can weaken your immune health. Thus transition is very abrupt and the sudden transition to hot weather is uncomfortable on the body and may even hurt it. This is what makes people prone to infections in April.