Low blood pressure, also called hypotension, occurs when blood pressure is lower than the range expected for an individual. A reading around 90/60 mmHg or lower is commonly considered low blood pressure, although a low reading does not always mean there is a medical problem. Some people naturally have low blood pressure without symptoms, while in others it can be…
Keratoconus is an eye condition in which the cornea progressively becomes thinner and develops an irregular, cone-like shape. This change in the shape of the cornea can cause blurred and distorted vision. It usually develops between the ages of 8 and 30 years and can affect both men and women. What Is Keratoconus? The cornea is the outer protective layer…
Heartburn is a burning sensation or pain felt in the chest, just below the breastbone or sternum. It is commonly associated with acidity and may become worse after eating oily or fatty foods, in the evening, or while lying down. Heartburn may occur occasionally, particularly after continuously consuming fatty foods. Some people experience improvement by changing their eating habits and…
Gastroenteritis is inflammation or infection of the stomach and intestines that commonly causes sudden diarrhea, vomiting, nausea and abdominal cramps. It is often called the “stomach flu,” although it is not the same as influenza. Gastroenteritis can be caused by viruses, bacteria, parasites or, less commonly, other infectious organisms. Contaminated food or water and close contact with an infected person…
A fracture is a break or crack in a bone. Fractures can occur in any bone of the body and may range from a small crack to a complete break into multiple pieces. Falls and accidents are among the common causes of fractures. However, a fracture can also occur because of repeated stress on a bone or because certain conditions…
Elbow pain is discomfort around the elbow joint that can affect movement, grip strength and everyday activities such as lifting, carrying or working with the arm. It may result from overuse, muscle or tendon strain, injury, inflammation, arthritis or nerve irritation. People whose work or sports involve repeated movements of the wrist, forearm and elbow may be more likely to…
Dandruff is a common scalp condition that causes visible flakes of skin, often accompanied by itching. The flakes may be white, greyish, or sometimes yellowish and greasy. Dandruff is not usually a serious medical condition, and it is not contagious. It also does not mean that a person has poor hygiene. However, persistent or severe scalp flaking may sometimes be…
Dementia is a general term used to describe a decline in memory, thinking, reasoning, communication, or other cognitive abilities that interferes with everyday life. It is not a single disease. Different diseases and conditions can cause dementia, with Alzheimer’s disease being the most common cause. Dementia is not a normal part of ageing. Although occasional forgetfulness can happen with ageing,…
Dengue fever, also known as breakbone fever, is a viral infection caused by the dengue virus (DENV). It is transmitted through the bite of infected Aedes mosquitoes and is commonly seen in tropical and subtropical regions. The most common symptoms include high fever, headache, body and joint pain, weakness and skin eruptions. Bleeding can also occur in some cases. Dengue…
Depression is a mental health condition in which a person experiences a persistent feeling of sadness, low mood or loss of interest in activities. It can affect emotional well-being, sleep, appetite, concentration, relationships and everyday activities. Depression can affect people of different ages and backgrounds. It may develop because of a combination of biological, psychological, genetic and environmental factors. Depression…
