Dr. Barbara D. Lis M.D.

Recommended Articles

• Gastroenteritis in Children: Signs of Dehydration

  Gastroenteritis is an intestinal infection that is caused by poorly prepared foods, contaminated water, etc. It can cause diarrhea, nausea, headache, and vomiting.What causes it?Gastro is caused by viruses. They include:• Rotavirus• AdenovirusHow is the gastroenteritis virus passed?Children can...

• Can One Get Influenza Even After a Flu Vaccine?

  Influenza is a respiratory ailment caused by influenza viruses. Influenza is considered as one of the fatal viruses because it can cause death if not medically and properly addressed. Flu can be very contagious and is very likely to spread from one person to another through coughing, sneezing, or...

• What Could Uncontrollable Shivering Mean?

  Uncontrollable shivering is characterized by the rapid shifting between muscle relaxation and contraction. It is through these contractions that the body warms itself up when exposed to cold. Shivering is not always accompanied by fever. In some cases, shivering may occur before the onset of...

• What Is Cyanosis and Why Does It Occur?

  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 Are HIIT Workouts?

  What is a HIIT Workout?HIIT workout plans are intensive and punishing, but there are good reasons why they are very popular. HIIT stands for high-intensity interval training. As its name implies, it is an explosive and high-power workout. It is not a specific workout or exercise routine. Rather,...

• Prevention of Croup

  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...