Dr. Rafael Carlos Crespo M.D.

Sinusitis is another word for an infection of the sinuses, which are four in number and are positioned at the back of the skull. These air spaces help to carry the skull’s weight. When the sinuses are congested, then infection can occur. There are a few reasons that may cause inflammation of the...

The human respiratory tract starts at the nose and mouth and continues down to the lungs. The air that we breathe in through our nose and mouth passes down the trachea and into the lungs through a series of branched tubes called the bronchi. For a healthy breathing to happen effectively, these tubes...

Influenza Influenza, also commonly called as the flu, is a highly contagious respiratory infection caused by viruses, particularly influenza A or influenza B. These viruses usually infect the throat, nose, and lungs. Although the flu causes mild symptoms in most people, it can also cause severe...

Rheumatoid arthritis is caused by an autoimmune disorder. There is no specific reason for this disarray in the immune system, and this is why it is difficult to list preventive measures. However, there are some ways to reduce the chances of occurrence of rheumatoid arthritis. Moreover, there are...

Hemorrhoids can either be internal or external depending on their location. If they develop in the rectum, then they are internal, and if they develop in the anus, they are called as external hemorrhoids. However, internal hemorrhoids can enlarge and move out of the rectum and outside the anus....

Diarrhea is a waterborne and foodborne disease that may occur due to an infection caused by viruses, bacteria, or parasites. Diarrhea can also happen as a side effect from food allergies and food intolerances. The condition is characterized by loose or watery stools, which is usually accompanied by...