Dr. David Paul Sheridan M.D.

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...

Edema is the medical term used for swelling. Swelling can affect a particular part of the body or the entire body due to some injury or inflammation. Apart from this, the other factors that can cause edema are side effects of certain medications, infections, pregnancy and few other medical...

Herpes Simplex Virus 1 (HSV-1)HSV-1 or herpes simplex virus type 1 is a type of herpes simplex virus that causes cold sores. It is called "oral herpes" because it often causes sores around the mouth or on the lips. Cold sores are also called as fever blisters. However, the sores can also be found...

Hemorrhoids are caused by an increase of pressure in the anal and rectal veins. This pressure can be caused by standing or sitting for too long, poor posture, anal intercourse, and many other things. However, the most common root causes of hemorrhoids are dietary and lifestyle choices. This means...

What is DHEA?DHEA or dehydroepiandrosterone is considered as a prohormone, which is often associated with longevity, body strength, and lean muscle mass in an individual. DHEA is naturally created in the body and has a vital role in various metabolic functions. It is also known as one of the most...

Head lice aresmallparasites that are found in the heads of human beings.They cling to human hairand feed off the blood from the scalp. They can be usually seen near the nape of the neckand behind the ears. Pediculosis capitis, which is the head louse that causes the head lice infection is not the...