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The Top 9 Deadliest Diseases

The Top 9 Deadliest Diseases

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The Top 9 Causes of Death In India

    Despite commendable progress in the healthcare business, India still has many severe diseases. Treatment for such diseases is costly, and it has a negative impact on an individual’s productivity and earnings.

    In this blog, we enlist the top 9 deadly diseases common in India and answer your question on which is the most dangerous disease prevalent in India.

    List of Top 9 Deadliest Diseases in India

    The most common and deadly diseases in India are listed below.

    • COVID-19
    • Cardiovascular Diseases (CVD)
    • Stroke
    • Diabetes
    • Respiratory Diseases
    • Malignant and Other Tumors
    • Tuberculosis (TB)
    • Alzheimer’s Disease and Other Dementias
    • Malaria

    1. COVID-19

    COVID-19, also known as the coronavirus, is one of the world’s top nine most lethal viral infections. This sickness has spread around the globe in 2019 and is affecting a large number of people. About 5.24 lakh people have died in India in the last two years. 

    The disease is spread from one sick person to another through droplets produced when he coughs, sneezes, or speaks. Although this virus causes only minor respiratory illnesses in healthy people, it can be deadly in those who have heart disease, diabetes, or chronic respiratory disorders.


    Symptoms of COVID-19

    • Fever
    • Tiredness
    • Loss of taste or smell
    • Scratchy throat
    • Runny nose
    • Difficulty in breathing
    • Chest pain
    • Pink eye

    Prevention of COVID-19

    • Vaccination
    • Keep a safe distance
    • Maintain a balanced diet
    • Handwashing should be done often
    • When going outside, use a mask

    2. Cardiovascular Diseases

    Cardiovascular diseases are a group of diseases affecting the heart and circulatory system. They are the leading cause of death in India. Because of lifestyle risk factors, socioeconomic changes, and other variables, CVD is on the rise. Cardiovascular diseases impact your heart and are one of India’s leading causes of death.

    Symptoms of Cardiovascular Diseases (CVD)

    • Chest discomfort
    • Numbness in the arms and legs 
    • Shortness of breath
    • Upper abdominal, neck, back, throat, and jaw pain
    • Numbness in your arms and legs

    Prevention of Cardiovascular Diseases (CVD)

    • Staying physically active
    • By getting regular exercise
    • By keeping a lookout on your weight and quitting smoking
    • By monitoring your blood pressure (BP) and cholesterol levels
    •  By consuming a diet rich in fiber, potassium, and magnesium

    3. Stroke

    A stroke happens when an artery in your brain is clogged, and this causes the oxygen-deprived brain cells to begin dying within minutes. During a stroke, you experience sudden numbness and confusion or difficulty walking and seeing. A stroke can cause long-term disability if it is not treated. Stroke is one of the deadliest diseases in the country.

    Symptoms of Stroke

    • Numbness in arm, leg, or face
    • Severe headache
    • Having visual difficulties (of one eye or both eyes)
    • Difficulty in walking
    • Speaking difficulties

    Prevention of Stroke

    • The first step is to stop smoking
    • Keep your blood pressure in check
    • Maintain a healthy lifestyle
    • Get regular exercise
    • Alcohol usage should be limited
    • Eat foods with high fiber and low fat

    4. Diabetes

    Humans are susceptible to this disease. There are two types of diabetes (type 1 and type 2). Your pancreas produces insufficient insulin in type 1 diabetes, and insulin produced by the body is ineffective in those with type 2 diabetes.

    Symptoms of Diabetes

    • Urinating frequently
    • Enhanced hunger and thirst
    • Excessive tiredness
    • Weight loss

    Prevention of Diabetes

    • Do exercise regularly
    • Maintain a balanced diet
    • Reduce the intake of carbohydrates
    • Quit smoking and limit your alcohol intake
    • Maintain a check on your blood sugar levels

    5. Respiratory Diseases

    This disease, particularly in youngsters, can be fatal. The most prevalent respiratory disorders include asthma, TB, bronchitis, pneumonia, etc. One of the main causes of respiratory disease is air pollution.

    Respiratory Diseases

    Symptoms of Respiratory Diseases

    • Cough
    • Sneezing
    • Shortness of breath
    • Fever
    • Nose Congestion

    Prevention of Respiratory Diseases

    • Cover your face if you need to travel in polluting areas
    • Quit smoking
    • To boost your immunity level, take vitamins and minerals
    • Do breathing exercises

    6. Malignant and Other Tumors

    These are tumor cells that grow out of control and spread throughout the body, posing a life-threatening threat. These are definitely among the world’s most deadly diseases, not only in India but across the world.

    Symptoms of Malignant Tumor

    • Painless lump

    Prevention of Malignant Tumor

    • Follow normal living standards
    • Maintain a healthy weight
    • Immunize yourself regularly
    • Stay active physically
    • Quit smoking

    7. Tuberculosis (TB)

    Tuberculosis is a life-threatening disease that affects the lungs and other body parts. However, it is a treatable illness.

    Symptoms of Tuberculosis (TB)

    • Fatigue
    • Blood while coughing  
    • Fever
    • Chills
    • Night sweats
    • Loss of appetite
    • Unexplained weight loss

      Prevention of Tuberculosis (TB)

    • Keep a distance from those who have already been infected with the disease
    • High risks individuals should get screened
    • Vaccinations to prevent the disease from spreading

    If you and your loved ones face any of the above diseases, get free teleconsultation with our expert doctor call 88569-88569.

    8. Alzheimer’s Disease and Other Dementias

    Alzheimer’s disease causes memory loss and interferes with reasoning, thinking, and other activities.

    Symptoms of Alzheimer’s Disease

    • Difficulty in doing daily tasks
    • Misplacing things 
    • Inability to manage money
    • Poor judgment and decision-making
    • Word problems in writing or speaking

    Prevention of Alzheimer’s Disease

    • Follow a heart-healthy diet (incorporate fruits and veggies in your diet)
    • Avoid fatty foods
    • Avoid smoking
    • Control of cardiovascular risk factors

    9. Malaria

    Malaria is a common disease in India that is spread by mosquitos carrying the Plasmodium parasite.

    Symptoms of Malaria

    • Fever
    • Muscle pain
    • Nausea
    • Abdominal ache
    • Headache
    • Diarrhea

    Prevention of Malaria

    • Use insect repellent
    • Wear full-sleeved clothes while traveling
    • Use a mosquito net while sleeping
    • Consume food items like carrot, papaya, beetroots, fruits particularly citrus fruits

    If you are facing any of the symptoms listed above, get free teleconsultation with our expert doctor Call 88569-88569.


    We discussed the list of diseases that can be life-threatening if not treated properly. Such disorders are primarily caused by a lack of awareness and unhealthy living situations. To protect yourself from these diseases, you should strive to take prevention.

     Frequently Asked Question (FAQs)

    1. What is the most deadliest disease in the world?

    Tuberculosis is one of the most deadly infectious diseases in the world, second only to COVID-19, and drug-resistant TB strains are a major concern.

    2. What is the rarest disease to be born with?

    Duncan disease (X-linked lymphoproliferative syndrome).

    3. What are 5 genetic diseases?

    The 5 Genetic Diseases Include:

    1. Down syndrome (Trisomy 21).
    2. Fragile-X syndrome.
    3. Klinefelter syndrome.
    4. Triple-X syndrome.
    5. Turner syndrome.

    4. What disease turns your body to stone?

     Scleroderma, also called systemic sclerosis, is a group of uncommon disorders that cause the skin to harden and tighten.

    5. How many rare diseases are there?

    The National Institutes of Health (NIH) identifies over 7,000 uncommon illnesses.

    Ujala Cygnus Healthcare Group has 16 hospitals. Kanpur, Rewari, Kashipur, Varanasi, Sonepat, Panipat, Kurukshetra, Nangloi in Delhi, Rama Vihar in Delhi, Kaithal, Bahadurgarh, Karnal, Moradabad, Haldwani, and Agra.You can book an appointment at your nearest Ujala Cygnus Hospital for any health issue treatment. For any query, you can give a missed call on 88569-88569 and get a free consultation over the phone.

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