Colorectal cancer is a slow growing adenocarcinoma that usually starts in the inner layer of the intestinal tract. It commonly begins as a polyp and is potentially curable if diagnosed early.

Colorectal cancer […]

Color blindness is the inability to distinguish between different colors. The most common form involves the confusion or red and green, occasionally, blue and yellow shades are also confused, but this form of […]

A cephalohematoma is a subperiosteal hemorrhage that results in swelling limited in distribution to one cranial bone (i.e., swelling does not cross suture lines). Subperiosteal bleeding is a slow process; […]

Furuncles are common, contagious inflammatory nodules that arise from hair follicles. They occur only in hair-bearing parts of the body, but are most prevalent on the head, neck, axillae, buttocks, and groin. The […]

Cardiac arrest is defined as the abrupt cessation of cardiac pump function that results in death, which may be averted of prompt intervention is instituted. A number of cardiac disorders cause lethal […]

This is condition characterized by irritability followed by exhaustion of the brain and nerve centers. It is a pure neurosis expressing an abnormal irritability in response to stimuli. Heredity is the most […]

A break in a bone often caused by a fall. Differential types of fractures can occur depending upon the severity. A complete fracture means the bone is broken all the way through, an incomplete fracture means the […]

Blepharitis

A common inflammation, blepharitis produces a red-rimmed appearance of the margins of the eyelids. It’s frequently chronic and bilateral and can affect both upper and lower lids. Seborrhic […]

Angioedema is similar to hives in that it involves swelling and may be caused by allergies. But in angioedema, the swelling is subcutaneous-that is, it occurs deeper under the skin and there is usually little or […]

Dr. Constantine Hering is aptly called the ‘Father of Homeopathy’ in America. He was born at Oschath in Saxony on January 1, 1800. At the age of seventeen, he became interested in medicine and joined the […]

Sore throat is a painful inflammation of the passage from the mouth to the pharynx or of the pharynx itself. A sore throat may be a symptom of influenza or of other respiratory infections, a result of irritation […]

 
Note – The disease does not exist anymore and the information about smallpox is of historical interest.
Small pox is an acute, highly contagious and frequently fatal, viral illness caused by “variola virus”
<p […]

The meaning of Spermatorrhea is the flow of semen with urine. In such cases, semen passes either while passing urine or while passing stool when straining due to constipation. In few cases, the semen passes even […]

In vertebrates, the spinal column serves to protect the spinal cord, to allow for a range of movement and to support the weight of the body. For most animals, the weight of the body is spread among all the […]

Spleen – a large organ in the upper abdomen on the left side, located close to the left side of the stomach. It is the largest structure of the lymph system. The spleen causes disintegration of old red blood cells […]

Caused by- Treponema pallidum

Infection-through abrasions in the skin/ mucus membrane and in adults usually sexually acquired.

Transmission

Kissing
Blood transfusion
Transplacental […]

Introduction

It is caused by salmonella typhi- gram positive bacteria. It is endemic in areas where sanitation is poor.

Spread and incubation period

It is transmitted by faecal or oral route, through […]

Uterine Atony

The uterine corpus contracts promptly after delivery of the placenta, constricting the placental bed, and preventing excessive bleeding. This muscular contraction, rather than coagulation, […]

Menorrhagia may be defined as a heavy menstrual bleeding over several cycle. The traditional, objective, definition of menorrhagia is of menstrual blood loss of 80 mL or more per cycle. Measured blood loss has […]

Ear infections 

There are different types of ear infections; the most common is called otitis media, which means an inflammation and infection of the middle ear. The middle ear is located just behind the […]

 Definition 

Flow of blood from any ruptured blood vessel is known as hemorrhage.

Classification of the hemorrhage

Depending upon the nature of vessel involved:

Arterial hemorrhage – bright red in […]

These are keratinous cysts, common on the scalp, face, and trunk. Sebaceous cysts have a central punctum; when squeezed a cheesy foul-smelling material is expressed. It is thought that they arise from the […]

Sciatica refers to severely painful spasms along the sciatic nerve of the leg. This nerve runs from the back of the buttock and thigh, down the inside of the leg to the ankle. Among the possible causes of sciatica […]

Schizophrenia is a disorder that includes a combination of hallucinations, delusions, disorders thought. Lack of motivation, flattening of affect, and disruptions in social functioning. Not all of these symptoms […]

Introduction

Scarlet fever, also known as scarlatina, is a disease caused by a toxin (erythrogenic exotoxin) released by Streptococcus pyogenes or group A beta-hemolytic streptococcus – the disease occurs in a […]

Scabies is an ectoparasitic skin infection with the mite sarcoptes scabei var. humanus. First described 1687 with the organism responsible being identified in the 18th century, this intensely pruritic disease was […]

Introduction

Severe acute respiratory syndrome (SARS) is a viral respiratory illness caused by a coronavirus, called SARS-associated coronavirus (SARS-CoV). SARS was first reported in Asia in February 2003. […]

Introduction

The word rheumatism is derived from the Greek word ‘rheuma’, which means a swelling. It refers to an acute or chronic illness which is characterized by pain and swelling of the muscles, ligaments […]

Boils, are round, pus filled nodules; on the skin that result from infection with staphylococcus bacteria, the infection begins in the deepest portion of the hair follicle, or in an oil producing sebaceous gland. […]

Rheumatic fever is an illness that occurs as a complication of a streptococcal infection, such as strep throat or scarlet fever. In most commonly occurs in children between the ages of four and eighteen. Although […]

Renal calculi, or kidney stone, are due to the formation of crystals in the urinary system from the kidneys to the bladder. Nephrolethiasis refers to renal stone disease; urolithiasis refers to the presence of […]

Introduction

Excessive secretion of saliva, such as sometimes occurs in the early months of pregnancy. It is also a clinical sign of mercury poisoning.

Saliva is produced in salivary glands to help the body […]

A common, chronic, disfiguring, inflammatory and proliferative condition of the skin, in which both genetic and environmental influences have a critical role. The most characteristic lesions consist of red, scaly, […]

Enlargement of the prostate gland. The prostate is about the size of walnut and is located just below the urinary bladder in men. An enlarged prostate presses against the urethra making it narrower. The bladder […]

Between two vertebrae of the spinal column is a disk of jellylike material, surrounded by a tough outer layer. The disk connects the vertebrae and acts as a cushion between them. Sometimes every day wear, and tear […]

Premenstrual syndrome is a disorder that affects many women during the one to two weeks before menstruation begins. Symptoms can include any or all of the following: abdominal bloating, acne, anxiety, backache, […]