Difficulty swallowing (Dysphagia)

Dysphagia is the inability or difficulty in swallowing food or liquid.  Normally, muscles in the throat (pharynx) and esophagus (food pipe) contract rhythmically to move food and liquids from mouth to stomach. Dysphagia occurs when there is a narrowing or lack of coordination of movem

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

Neck Swelling

Any abnormal enlargement of structures between chin and clavicle bones can cause a neck swelling. Neck swelling usually occurs as a result of disease of lymph nodes in the neck or thyroid gland.  Sometimes salivary glands and diseases of muscle and skin around neck may produce a swelling.  A neck swelling from enlarg

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

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

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

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

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

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

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

Arthritis

Arthritis means inflammation of joints. It is a generic term that encompasses hundreds of conditions where joint inflammation causes symptoms of pain, swelling and stiffness of joints. Two most common causes of arthritis are Osteoarthritis (OA) and Rheumatoid Arthritis (RA). Arthritis ca