Dr. David Joseph Byron M.D.

The cause or severity of insect bites or stings can be determined by the symptoms. Most bug bite symptoms cause itchy or painful red bumps. Other insect bites can cause welts or blisters. The following are some clues of common insect bites:...

What is an abrasion?An abrasion is an open wound caused by the skin coming into contact with a rough surface, rubbing away the upper epidermal layer of the skin. The parts of the body that are more prone to abrasions are thin-skinned bony areas, such as the elbows, knees, ankles, shins, and upper...

Chronic Obstructive Pulmonary Disease (COPD) and lung cancer are two ends of the same spectrum. Though vastly different in core characteristics, they share many symptoms such as painful wheezing, a persistent cough, and the production of copious mucus. Both these diseases have similar causes and...

Diarrhea is the frequent flow of loose, watery stool through the intestines causing muscle contraction and abdominal pain. Stool follows its path through the anus and gets watery when the digestive system consumes too much fluid or gets infected with viruses, bacteria, or parasites. A loose stool...

IntroductionOrthopnea is the medical term used when referring to the occurrence of dyspnea (shortness of breath) when you are lying flat. This symptom is often a sign of heart failure. However, orthopnea can also be due to other health conditions. Dyspnea (shortness of breath) is not the same with...

Bacteria are microorganisms that thrive in the environment, but they are not always harmful. There are a number of vital functions that are performed by bacteria, which are essential for our day-to-day living. However, sometimes, these bacteria may leave harmful strains on or inside our body. When...