Dr. David Joel Marienau MD

Recommended Articles

• Black Stool: What Does It Mean?

  What does a black stool indicate?A black or dark red-colored stool is called tarry or bloody stools. However, passing dark-colored stools is not always caused by serious problems. One of the most common causes of black stools is the consumption of iron supplements, particularly in people who have...

• Dehydration: Causes, Symptoms and Prevention

  Dehydration is the term used to describe the state of the human body when it is loses more body fluid than you take in. Body fluid, mainly water, is lost through sweat, tears, vomiting, urine and diarrhea. Dehydration could vary from mild to severe based on a number of factors, such as weather...

• Everything You Need to Know About the Zika Virus

  What is Zika virus?Zika virus (Flavivirus) isn`t a new virus, initially, it was found in Uganda and called after the place where the virus was first detected- Zika forest (1947). It is a mosquito-borne virus, which is transmitted from a particular species of infected insects (Aedes), the aggressive...

• What Is a Bruise?

  IntroductionBruises, also known as contusions, appear due to certain types of trauma. Bruises are formed when the body’s soft tissues are injured due to bumps, twists, fall, or blow to the body. This injury causes tiny blood vessels and small veins to break and release red blood cells (RBCs)...

• 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...

• Natural Remedies for Nasal Congestion

  What is a nasal congestion?Cold, flu, and sinus infections are often few of the culprits that lead to sinus and nasal congestion. Most people must have experienced sinus-related pain and pressure in some point of their lives, and often, people tend to recover without taking antibiotics or any other...