Tag: chest , chest pain , cough , Fever , infectious disease , lung , pulmonary , shortness of breath

  • Appendicitis

    Appendicitis is the inflammation of the appendix. Appendix is a small, finger-shaped tubular structure attached to the large intestine located at the right side of lower abdomen. There is no known function of appendix in human body. When infected with bacteria or due to the blockage, the appendix gradually swells and g

  • Lung Cancer

    Lung cancer (Bronchogenic carcinoma) is the most common type of cancer worldwide and  a leading cause of cancer death for both men and women. Lung cancer occurs when the normal cells of lungs abnormally change their characteristics and grow uncontrollably. Lung cancers may be

  • Shortness of breath (Dyspnea)

    Shortness of breath or dyspnea is an abnormal awareness of own breathing. It is described differently by different people. Some describe it as not getting enough air or feeling suffocated while others describe it as a sensation of chest tightness or inability to breath out completely. Dy

  • Chest Pain or Tightness

    Chest pain is the pain that may be felt anywhere from the level of shoulder to the bottom of ribs. Chest pain or tightness is sometimes a serious symptom, resulting from heart attack. But having chest pain does not necessarily mean you are having a heart attack. Most people who go to the emergency room with chest pain

  • Fever

    Definition A fever or pyrexia is a rise in body temperature above normal and often indicates an illness. Average normal body temperature is 98.6oF  but it can range between 97  and 99.5

  • Palpitation

      Palpitation is a condition where you become  abnormally aware of your own heartbeat. You may feel a sensation of skipped heartbeat, rapid and irregular heartbeat, a forceful thumping or fluttering sensation in your chest. Palpitation,

  • Cough

    Cough is our body’s protective response to the presence of irritants in the airway. It is a reflex action caused by the stimulation of the nerve endings in the respiratory tract by  stimuli such as allergen, microbes, foreign body or excessive mucous. After the stimuli reaches the bra

  • Pneumonia

    Pneumonia is an infection of the lungs caused by a variety of germs. These germs reach the air sacs (lowest part of airways) after inhalation, overcoming body's normal defense mechanism like nasal hairs, mucus and cough which are weakened by smoking or dust inhalation. Once in the lungs,

  • Tuberculosis

      Tuberculosis (TB) is a communicable disease caused by Mycobacterium tuberculosis. It can affect any organ in the body but lungs (Pulmonary TB) are the most common site of infection. Other common sites of infection are bones, lymph nodes, kidneys, uterus, brain (meninges), skin, etc. Tuberculosis i

  • Ascariasis

    Ascariasis is infestation of humans intestine by roundworm (Ascaris lumbricoides). The roundworm may reside in the guts for 6 to 24 months. The eggs are passed into the stool and under warm, shady, moist conditions they can survive for up to 10 years.  The infection is transmitted by in

  • Sore Throat

    Sore throat (Pharyngitis & Tonsillitis) refers to pain, irritation or itchiness of the throat resulting from inflammation of the lining of  throat and tonsils. It is common infection in children, but can affect people of any age. Symptoms include dryness of throat, swollen glands in

  • Red Eye

      When the white part of eyes appears red, it is called a red eye.  It is caused by  dilatation of local blood vessels  due to  inflammation usually from either infection or irritation. Red eye can be a manifestation of local eye pathology or a sign of systemic disease. Red e

  • Systemic Lupus Erythematosus (Lupus)

    Systemic lupus erythematosus (SLE) is a disease of immune system that can affect many organs in the body. Normally, the immune system produces proteins directed against infectious agents and protects us from infection. In SLE, however, your body produces antibodies that attack body’s o

  • Malaria

    Malaria is a febrile, mosquito-borne disease caused by parasitic protozoa, Plasmodium. Four different species of Plasmodium cause malaria. The parasite is transmitted by bite of female Anopheles mosquito. It occurs mostly in high temperature areas - tropical regions and the Terai belt of Nepal. Infected female Anoph

  • HIV/AIDS

    Introduction HIV (Human Immunodeficiency Virus) is the virus that causes AIDS (Acquired Immunodeficiency Syndrome). Infection by HIV weakens your immune system. When the immune system becomes too weak to fight, organisms that would otherwise not cause an infection in a normal person, that person is

  • Heart Failure

    Heart failure means your heart is not able to pump out sufficient amount of blood into the rest of the body. It does not mean that your heart has stopped to beat which is called “cardiac arrest” (see Heart Attack for more informat

  • Heart Attack

    Heart attack is a leading cause of death in adults. The medical term for heart attack is myocardial infarction. Heart attack occurs when the blood flow to the heart is  severely reduced or completely blocked. The heart muscle needs regular supply of blood and oxygen to survive.

  • Diarrhea

    Diarrhea is defined as increased frequency of defection (more than 3 per day) with excessive or abnormally loose consistency. Stool weights more than 200g/day are sometimes used to define diarrhoea but in the absence of abnormal consistency, weight alone is not an ideal indicator as bowel weight is influenced by high f

  • Chronic Obstructive Pulmonary Disease (COPD)

    COPD is a chronic condition of the lungs that causes difficulty in breathing. It is caused by long standing  exposure to irritant gas or particles most commonly by cigarette smoking. In developing countries indoor smoke exposure from firewood burning also is an important risk factor.

  • Asthma

    Asthma is a chronic respiratory disease that affects your airways (windpipe). The windpipe is inflamed,  narrowed and swollen that  causes  difficulty in breathing now and then.  A person with asthma  has no difficulty in breathing most of the time except during an asthma attack. As

  • Hepatitis

    Hepatitis is an inflammation of the liver. Liver is one of vital organs and largest internal solid organ. Liver has large blood supply and functions as a chemical factory removing many unwanted substances from the body. This exposes  liver to many insults including infections, drugs or

  • Gasteroesophageal Reflux Disease

    Gasteroesophageal reflux disease (GERD) is also known as acid reflux.  GERD occurs is when stomach contents leak  backwards (called “reflux”) into esophagus and cause symptoms or complications.  Reflux is a normal process in infant, child or adult, but when it causes troublesome s

  • Diphtheria

    Diphtheria is an infectious disease caused by bacteria Corynebacterium diphtheriae. The infection affects the respiratory passage leading to sore throat and breathing difficulties. The disease produces a

  • Allergy

    Allergy is a conditions where your body abnormally reacts to foreign substances that normally should not produce any reaction. These substances are called allergens. Your immune system, which is responsible for protection of the body against external agents, recognizes these allergens as “invaders” and produce prot

  • Amoebiasis/Giardiasis

    Amoebiasis is an infection of gastrointestinal tract caused by an intestinal parasite called Entamoeba histolytica. It causes dysentery, liver abscess and rarely affects lungs, heart and brain. It occurs everywhere in the world but especially in the areas where there is poor sanitation and poor socioeconomic status. Th

  • Acid Reflux Disease

    When we eat food, it travels through the mouth to the food pipe (esophagus) and then to the stomach. Once in the stomach, food cannot come back up into the esophagus under normal conditions because of the presence of the lower esophageal sphincter (LES). LES is a group of fiber muscle rings at the lower end of the food

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