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Most Dangerous Diseases in India
Dec 19, 2023

Top 7 Most Dangerous Diseases In India

India is home to several deadly diseases, varying in nature and affecting many people across the country. Dealing with such diseases in time is crucial. However, lack of finances and limited access to high-quality medical infrastructure often stop people from getting the right treatment for these diseases. A health insurance plan can be of help here. By providing financial support during medical situations, health insurance allows one to get the necessary treatment and care. It acts as a safety net in these situations. However, even if you have a health insurance plan, it is advisable to be aware of the diseases common amongst Indians, so that you can take all preventive measures.* Claims are subject to terms and conditions set forth under health insurance policy. Let’s look at the 7 most dangerous diseases highly prevalent in the country.

Cardiovascular diseases

Cardiovascular diseases or CVDs are the main reason for global deaths, claiming around 17.9 million lives annually. CVDs include various health problems affecting the heart and blood vessels, such as coronary heart disease, cerebrovascular disease, rheumatic heart disease, and other related conditions. Risk factors for CVDs include an unhealthy diet, lack of physical activity, tobacco consumption, and alcohol abuse.


A stroke happens when a blood vessel in the brain gets blocked. People who have high blood pressure, a family history of stroke, or smoking habits are at higher risk for a stroke. Preventive care, medications, and lifestyle changes can help reduce the risk associated with these factors. Adopting good health habits may also lower your overall risk of experiencing a stroke. Note - The finances required to deal with serious, life-threatening diseases such as strokes are quite high. Hence, to supplement your health insurance, you should opt for a critical illness insurance plan. Such a plan provides a lump-sum payout on the diagnosis of the covered illness, which can be used for high-quality treatment and care.* Claims are subject to terms and conditions set forth under health insurance policy.


Diabetes impacts the production or the usage of insulin in the body. While type 1 diabetes arises when the pancreas cannot produce insulin, Type 2 diabetes occurs when the pancreas does not generate enough insulin or when insulin is not used effectively. Being overweight or having obesity, high blood pressure, being of an older age, lack of regular exercise, and an unhealthy diet, increase the risk of diabetes. Its symptoms can be managed by maintaining regular exercise and adopting a balanced, nutritious diet.


As per the World Malaria Report 2019, India contributes to 3% of the malaria cases worldwide. Malaria is caused by the Plasmodium parasite, which is carried and transmitted to human bodies by the female Anopheles mosquitoes. Malaria symptoms can include fever and flu-like symptoms, such as chills, headache, muscle aches, and fatigue. Nausea, vomiting, and diarrhoea are also common in some cases. Antimalarial drugs and mosquito control measures can help in treatment.


Tuberculosis or TB is a contagious illness that primarily affects the lungs and is caused by a specific type of bacteria. It transmits through the air when infected individuals cough, sneeze, or spit. As per the WHO, India is one of the top 30 countries with a high TB burden, making it one of the most dangerous diseases in the country. Tuberculosis can be prevented with the right measures and cured as well.


Diarrhoea is a prevalent health issue in India and affects children in particular. As per a report published in the Journal of Global Health Reports in May 2023, diarrhoea claims the lives of over half a million children annually. Out of these, approximately 120,000 of these cases occur in India. Symptoms of diarrhoea may involve stomach cramps or pain, bloating, nausea, vomiting, fever, blood in the stool, mucus in the stool, and an urgent need to have a bowel movement. Oral Rehydration Salts or ORS can help avert the negative consequences of diarrhoea to a great extent.


As per the most recent estimates by WHO, approximately 40 million people in India are dealing with chronic hepatitis B, while six to 12 million individuals face chronic hepatitis C infections. Hepatitis is the inflammation of the liver. It can result from viral infection, alcohol consumption, various health conditions, or even certain medications. There are five types of Hepatitis - A, B, C, D, and E with each having a separate common route of transmission. Treatment can differ depending on the type and underlying cause. If you have a health insurance plan, you can rely on the financial support provided by it for the treatment of many of the above diseases, only if it is a part of your policy coverage. However, please note that not all diseases may be covered by your health insurance plan. Note down the exclusions and conditions of your health plan before purchasing it. For a plan that fits your budget while providing you with the coverage you need, you can use a health insurance calculator.* Claims are subject to terms and conditions set forth under health insurance policy.   * Standard T&C apply. Insurance is the subject matter of solicitation. For more details on benefits, exclusions, limitations, terms, and conditions, please read the sales brochure/policy wording carefully before concluding a sale.

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