Dr. Richard L Nail M.D.

A sinus infection can be caused by bacteria, virus, or fungi. Some of the symptoms of a sinus infection are congestion in the nasal passages, headaches, fever, and cough. It is always advisable to consult a physician if you are experiencing any of these symptoms. However, there are some natural...

Introduction Rheumatoid arthritis causes inflammation of the joints and other body areas. It is an autoimmune disease and its symptoms include:...

One of the leading reasons why individuals visit their doctors is sinus pain. According to research, approximately 37 million American citizens get symptoms for sinusitis like thick nasal discharge, sinus pain, and nasal congestion. That figure is on the rise due to an increase in pollutants and...

Croup is a viral infection that causes swelling of the airway. As a result, the airway becomes narrower, making it difficult to breathe. It is also accompanied by an irritation in the larynx (voice box) and trachea (windpipe). This condition is also known as laryngotracheobronchitis because the...

IntroductionCyanosis is the medical term for a bluish discoloration of the skin, nails, toes, and mucous membranes. It is generally caused by low levels of oxygen in the blood. Normally, blood appears bright red when it is fully oxygenated. However, when blood does not have enough oxygen, it turns...

What is Lupus?Systemic lupus erythematosus, also known as lupus, is a disease of the immune system. The immune system protects the body from infection. In lupus, however, the immune system turns against the body, leading to tissue damage and illness. Thus, lupus is called an autoimmune disease.Men...