• Published on: Mar 24, 2022
  • 3 minute read
  • By: Second Medic Expert

Tuberculosis Symptoms, Causes, Diagnosis & Treatment

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Tuberculosis (TB) is a serious infection that mainly affects the lungs. Symptoms of tuberculosis can vary depending on the part of the body infected but may include coughing up blood, chest pain, and difficulty breathing. Tuberculosis is caused by a bacterium called Mycobacterium tuberculosis, which most often affects the lungs. It can also affect other parts of the body including the brain, kidneys, and spine.

Tuberculosis is diagnosed with a simple skin test or by testing a sample of mucus from your lungs. Treatment for tuberculosis usually involves taking antibiotics for 6 to 9 months. Some people may also need to receive treatment for lung damage caused by tuberculosis. With proper treatment, most people with tuberculosis. Symptoms of tuberculosis can vary depending on the severity of the infection, but usually include a persistent cough, chest pain, coughing up blood, fatigue, and weight loss. In some cases, people may also experience night sweats, chills, fever, and shortness of breath.

Tuberculosis is caused by a bacterium called Mycobacterium tuberculosis. The disease is spread through the air when an infected person coughs or sneezes. It can also be spread through contact with saliva or mucus from an infected person. The bacteria can also be spread through close contact with someone who has pulmonary tuberculosis (a lung infection).

Tuberculosis (TB) is a bacterial infection that primarily affects the lungs. Symptoms can vary, but may include coughing up blood, chest pain, shortness of breath, fever, and weight loss. It can also spread to other parts of the body, such as the brain, kidneys, and spine. TB is diagnosed with a physical exam and tests that examine your sputum (mucus from your lungs) for bacteria. Treatment typically involves antibiotics and rest. Prevention includes early detection and treatment of active TB cases, as well as vaccinations for certain high-risk groups

Symptoms of tuberculosis can vary depending on the stage of infection. In the early stages, TB may cause fever, night sweats, weight loss, and feelings of sickness (malaise). As the disease progresses, coughing and chest pain may develop. If the infection spreads to other parts of the body, symptoms can include joint pain, fatigue, and swollen lymph nodes. There is no one definitive test for diagnosing tuberculosis. Most often a doctor will order a skin test or a chest X-ray. If tuberculosis is suspected, treatment should begin immediately even if a diagnosis has not been confirmed. Treatment typically involves a combination of antibiotics taken for several months. With proper treatment, most people with tuberculosis are cured. Symptoms of tuberculosis depend on where in the body the infection is. In most cases, tuberculosis causes a persistent cough that lasts for more than 3 weeks, along with chest pain and coughing up blood. Other symptoms can include weight loss, night sweats, fever, and fatigue.

Tuberculosis is caused by a bacterium called Mycobacterium tuberculosis. It usually spreads through the air when an infected person coughs or sneezes. The bacteria can also be spread through contact with saliva, mucus, or other respiratory secretions. Tuberculosis is diagnosed with a medical examination and tests that look for evidence of the infection in your body. Treatment typically involves taking antibiotics for several months.

Symptoms of tuberculosis can be mild or severe. They can include a bad cough that lasts 3 weeks or more, chest pain, coughing up blood, night sweats, weight loss, and fever. Tuberculosis is caused by a bacterium called Mycobacterium tuberculosis. It usually affects the lungs, but it can also affect other parts of the body. Tuberculosis is diagnosed with a TB skin test or a chest x-ray. Treatment for tuberculosis includes antibiotics and is usually successful.

Tuberculosis is a bacterial infection that mostly affects the lungs. Symptoms can vary, but usually include coughing (sometimes with blood), chest pain, shortness of breath, and fever. It's spread through the air when an infected person coughs or sneezes. It can also be spread if someone comes into contact with the saliva or mucus of an infected person. Tuberculosis is diagnosed with a chest X-ray and a test that checks for bacteria in your sputum (mucus from your lungs). Treatment includes antibiotics and sometimes surgery.

Symptoms of tuberculosis can vary greatly from person to person, and it's important to see a doctor if you experience any of the following symptoms for more than two weeks:

- persistent cough

- chest pain

- shortness of breath

- fever

- weight loss

- night sweats

Tuberculosis is caused by a bacterium called Mycobacterium tuberculosis, which most often affects the lungs. The bacteria can also attack other parts of the body, such as the brain, kidneys, or spine. Tuberculosis is diagnosed through a combination of tests, including a physical exam, medical history, chest X-ray, and laboratory tests. Treatment for tuberculosis usually involves taking several drugs for 6 to 9 months.

Tuberculosis (TB) is a bacterial infection that mainly affects the lungs. However, TB can also affect other parts of the body, such as the brain, spine, and kidneys. Symptoms of tuberculosis vary depending on where the infection is located in the body.

Common symptoms of tuberculosis include:

-Coughing up blood or sputum (phlegm from deep inside the lungs)

-Chest pain

-Fatigue

-Weight loss

-Loss of appetite

-Night sweats

-Fever

-Shortness of breath

Tuberculosis symptoms may include a persistent cough, chest pain, coughing up blood, shortness of breath, rapid breathing, sweating at night, weight loss, and fatigue. TB is caused by the bacteria Mycobacterium tuberculosis. It can be spread through the air when a person with TB coughs or sneezes. The bacterium can also be spread through contact with urine, saliva, blood, or other body fluids from a person with TB.

TB is diagnosed with a chest X-ray and by testing samples of sputum (phlegm) for the presence of the bacteria. Treatment for TB includes taking antibiotics for 6 to 9 months. Surgery may also be needed to remove infected tissue.

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caffeine

Health Problems Linked to Excessive Caffeine Intake: When Too Much Becomes Harmful

Caffeine is one of the most widely consumed stimulants in the world. Found in coffee, tea, energy drinks and many soft drinks, it is often used to improve alertness and combat fatigue. While moderate caffeine consumption can be safe for most people, understanding the health problems linked to excessive caffeine intake is important, especially as daily consumption levels continue to rise in India.

Urban lifestyles, long working hours and increased reliance on energy drinks have made caffeine overconsumption a growing public health concern.

 

How Caffeine Works in the Body

Caffeine stimulates the central nervous system by blocking adenosine, a chemical responsible for promoting sleep and relaxation.

This results in:

  • increased alertness

  • faster heart rate

  • heightened mental activity

However, overstimulation places stress on multiple body systems.

 

What Is Considered Excessive Caffeine Intake?

According to WHO and global health guidelines:

  • up to 400 mg per day is considered safe for most healthy adults

Excessive intake occurs when:

  • multiple caffeinated beverages are consumed daily

  • energy drinks are used frequently

  • caffeine is consumed late in the day

Many people unknowingly exceed safe limits.

 

Nervous System Overstimulation

Excess caffeine overstimulates the brain.

Common symptoms include:

  • restlessness

  • nervousness

  • tremors

  • irritability

Chronic overstimulation can worsen stress and reduce emotional stability.

 

Anxiety and Panic Symptoms

Caffeine increases adrenaline release.

This can:

  • trigger anxiety attacks

  • worsen panic disorder

  • increase feelings of unease

ICMR mental health studies note caffeine as a common trigger for anxiety symptoms in sensitive individuals.

 

Sleep Disruption and Insomnia

Sleep is one of the first systems affected.

Excessive caffeine:

  • delays sleep onset

  • reduces deep sleep

  • shortens total sleep duration

Even caffeine consumed 6–8 hours before bedtime can impair sleep quality.

 

Impact on Heart Health

High caffeine intake affects the cardiovascular system.

Possible effects include:

  • increased heart rate

  • palpitations

  • irregular heart rhythm

People with underlying heart conditions are particularly vulnerable.

 

Blood Pressure Elevation

Caffeine temporarily raises blood pressure.

Chronic excessive intake may:

  • worsen hypertension

  • increase cardiovascular risk

NFHS-5 data highlights rising hypertension prevalence in India, making caffeine moderation important.

 

Digestive System Problems

Caffeine stimulates stomach acid production.

This can cause:

  • acidity

  • heartburn

  • gastritis

  • bloating

People with sensitive digestion may experience symptoms even at lower doses.

 

Dependency and Withdrawal Symptoms

Regular high intake leads to caffeine dependence.

Withdrawal symptoms include:

  • headaches

  • fatigue

  • irritability

  • difficulty concentrating

Dependence reinforces overconsumption cycles.

 

Effect on Bone Health

Excessive caffeine:

  • increases calcium loss through urine

  • may affect bone density over time

This is particularly concerning for older adults and women.

 

Dehydration and Electrolyte Imbalance

Caffeine has a mild diuretic effect.

High intake without adequate hydration may lead to:

  • dehydration

  • muscle cramps

  • fatigue

Hot climates increase this risk.

 

Impact on Blood Sugar and Metabolism

Caffeine affects glucose metabolism.

Excessive intake:

  • worsens insulin sensitivity

  • increases stress hormone release

This may increase diabetes risk when combined with poor lifestyle habits.

 

Energy Drinks and Hidden Risks

Energy drinks often contain:

  • very high caffeine levels

  • added sugar

  • stimulants

Lancet reports associate energy drink overuse with heart rhythm disturbances and metabolic stress.

 

High-Risk Groups

Certain individuals should be especially cautious:

  • people with anxiety disorders

  • those with heart disease

  • pregnant women

  • individuals with sleep disorders

Safe limits may be lower for these groups.

 

Signs You May Be Consuming Too Much Caffeine

Warning signs include:

  • frequent palpitations

  • chronic insomnia

  • persistent anxiety

  • digestive discomfort

  • reliance on caffeine to function

These signals indicate the need for reduction.

 

How to Reduce Caffeine Intake Safely

Effective strategies include:

  • gradual reduction rather than abrupt stopping

  • switching to decaffeinated options

  • avoiding caffeine after mid-afternoon

  • improving sleep and nutrition

Small steps prevent withdrawal symptoms.

 

Healthier Alternatives for Energy

Better ways to improve energy include:

  • adequate sleep

  • balanced meals

  • hydration

  • regular physical activity

These support sustained energy without overstimulation.

 

Role of Preventive Health Awareness

Preventive healthcare focuses on:

  • identifying lifestyle triggers

  • reducing dependency habits

NITI Aayog highlights lifestyle modification as key to non-communicable disease prevention.

 

Long-Term Health Consequences of Ignoring Excess Intake

Chronic caffeine overuse increases risk of:

  • sleep disorders

  • anxiety and mood issues

  • heart rhythm problems

  • digestive disorders

These conditions often develop gradually.

Conclusion

The health problems linked to excessive caffeine intake extend beyond temporary jitters or sleep loss. Chronic overconsumption strains the nervous system, disrupts sleep, affects heart rhythm, worsens anxiety and impacts digestion and metabolism. While caffeine can be enjoyed safely in moderation, recognising personal limits and maintaining balance is essential for long-term health. Listening to early warning signs and adopting healthier energy habits can prevent serious health consequences.

 

References

  • World Health Organization (WHO) – Caffeine Intake and Health Guidelines

  • Indian Council of Medical Research (ICMR) – Nutrition and Mental Health Studies

  • National Family Health Survey (NFHS-5) – Hypertension and Lifestyle Risk Data

  • Lancet – Energy Drinks, Caffeine and Cardiovascular Effects

  • NITI Aayog – Preventive Health and Lifestyle Modification Reports

  • Statista – Caffeine Consumption Trends in India

See all

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