List of Common Diseases

Kulbhushaan Raghuvanshi Apr 14, 2019
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Find out a list of common diseases, which has been the main reason for deaths and various other health complications affecting the human body.
There are certain times in a month or six months that we suddenly feel weak and distressed. We are tired for no apparent reason and we become exhausted just by doing simple daily activities like talking and eating.
We think you must have guessed by now that there's something wrong with the body and you are suffering from an illness. Well there are more than a million types of diseases and disorders in this world and it becomes difficult to know what is wrong with us until we meet our physician.
Here, we make a list of common diseases, which affect mankind, because often, we don't care to gather information about the illness we suffer. We are not saying it is extremely essential, it is just when you have knowledge of whom you're dealing with it becomes easy to deal with it.

List of Most Common Disorders

When you think of diseases affecting humans, you would obviously include infectious diseases, STDs, rare skin diseases, etc. As we said before, it is very necessary to have basic knowledge about the most common diseases affecting our generation so that we can keep up some preventive measures to avoid them.


Cholera kills more than 1 million people every year. It spreads mostly due to unclean drinking water and unhygienic sanitary conditions. It's the leading cause of death in Russia, Africa, and Indian subcontinent.
It's caused by the virus Vibrio cholera, which is the main reason for infection of stomach intestines. People affected with cholera develop symptoms, like vomiting, stomach, and leg cramps. In severe cases, cholera can also cause death due to dehydration.


If you ever thought of making a list of infectious diseases, the name pneumonia would definitely comes in the first five places. The infection of lungs is called pneumonia. This feeling of inflammation of the lungs is caused by a viral infection.
Blood tests or chest X rays are two ideal ways of knowing that a person is suffering from pneumonia. In some cases, even severe cold or dry cough also causes pneumonia.

Strep Throat

Another common disease affecting humans in large number is strep throat. Streptococcus bacterium is the bacterium that causes strep throat. More than 3 million cases of strep throat are reported alone in the US. Symptoms include sore fatigue, nausea, headache, and high fever.


One of the most dangerous diseases caused by smoking is cancer. Affecting more than 9 million people every year, cancer is a leading cause of death in the US. Smokers are at a higher risk of getting cancer. Tobacco in the cigarette causes cancer of the lungs, mouth and throat. Smoking can also cause many types of cancer such as throat cancer and lung cancer.


Nowadays, we don't hear the name measles much, probably because it has been eradicated in most of the countries where the vaccine is available. However, it's still very common in some developing economies where if not treated soon leads to death. Measles symptoms include high fever, coughing, skin rash, and in worst cases, diarrhea.


AIDS (Acquired Immunodeficiency Syndrome) is one of the most dreaded sexually transmitted diseases. It weakens the immune system so that it can't fight infections. Identified in 1980s', AIDS has killed more than 25 million people. It is caused by the HIV (Human Immunodeficiency Virus) which causes various infections to the body and ultimately leads to death.


Considered as one of the most dreaded contagious diseases in the world, tuberculosis causes nearly 2 million deaths every year. The TB bacteria are found in the lungs, which cause pain in lungs, chest, and bloody mucus. According to latest reports by the WHO, more than a billion people will be affected by tuberculosis between 2000 and 2020.

Digestive Disorders

  • Heartburn
  • Food poisoning
  • Lactose intolerance
  • Stomach ulcers
  • Diverticular disease
  • Irritable bowel syndrome
  • Colon Cancer
  • Stomach Cancer

Circulatory and Respiratory Disorders

There is pollution everywhere. In our advanced world, cars give out tons of smoke and pollute the atmosphere and plants and trees are rarely seen. This harmful smoke has led to global warming and caused many respiratory diseases.
  • Influenza
  • Bronchitis
  • Asthma
  • Sinusitis
  • High blood pressure
  • Rheumatic fever
  • Atherosclerosis
  • Angina

Skin Ailments

The following list of skin disorders will help you identify your skin problems so that you can start effective treatment immediately.
  • Eczema
  • Acne
  • Psoriasis
  • Dry skin
  • Dandruff
  • Nail Fungus
  • Scabies
  • Skin rashes
  • Hyperpigmentation on face

Blood Disorders

Since blood travels to all parts of the body, a blood disorder is enough to cause problems through the entire body.
  • Bacteremia
  • Sepsis
  • Anemia
  • Deep vein thrombosis
  • Pulmonary Embolism
  • Staph infection
  • Hepatitis B
  • Thalassemia
Some more diseases that are becoming common nowadays are yellow fever, Chlamydia, hepatitis B, diabetes, etc. All these are the major cause of the decreasing human population. So, it's very necessary that we take effective care by including a balanced diet and following an exercise regime.
Disclaimer: This is for informative purposes only, and should not be used as a replacement for expert medical advice.