Dr. Christiana Renuka Rajasingham M.D.

Nausea is an uncomfortable feeling and a cause for concern if it constantly occurs. It can be a warning sign of disease or a medical condition that may require immediate attention. However, not all cases of nausea are a sign of an underlying illness. There are numerous reasons that an individual can...

What is rheumatoid arthritis?Rheumatoid arthritis is an autoimmune disorder. In this disorder, joints are affected by our own immune system. Sometimes, other parts of the body are also affected, like skin, lungs, and heart. Rheumatoid arthritis typically affects the joints of the hands, feet,...

Until now, it has been recognized that diet neither causes nor treats inflammatory bowel diseases (IBD) such as Crohn’s disease or ulcerative colitis. However, specific diets have proven to be helpful in alleviating symptoms associated with these diseases. When considering this, it is important to...

Clinical intuition is difficult to describe. Personally, it is the art of integrating nonverbal information that a patient presents in order to reach a diagnosis, reducing the need for diagnostic testing. This is especially important in children who often react differently to procedures, tests and...

The severity of meningitis varies from one person to another. In common cases, medications can help solve the problem and the person may recover within 1 to 3 weeks. But in cases where there is a risk of the infection spreading to the meninges, hospitalization and other confirmation tests might be...

Caused by bacteria and viruses, meningitis is an inflammation (swelling) of the protective membranes covering the brain and spinal cord known as the meninges. The inflammation is usually caused by an infection of the fluid surrounding the brain and spinal cord. It can develop as a result of injury,...