Dr. Francis Eugenia Marrero M.D.

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...

Vaginitis is an infection that causes swelling and inflammation in the vagina. Vaginitis happens as a result of an imbalance of the normal bacterial flora causing an overgrowth of other organisms in the vagina.Types of VaginitisThere are many conditions that will cause swelling or infection in the...

IntroductionCat scratch fever or cat scratch disease is a bacterial infection spread by cats. You can get the cat scratch fever from a scratch or bite of a cat that is infected with the bacterium called Bartonella henselae. Aside from the infected cat’s scratch, you can also acquire the infection...

What are night sweats? Night sweats, also known as nocturnal hyperhidrosis, pertains to excessive sweating at night. It is normal for anyone to sweat. Our sweat glands continuously work throughout out the day and night. However, if you have woken up at night to find that your bedsheets are drenched...

Introduction Dysuria is the medical term used to describe painful or difficult urination. The discomfort is usually characterized by a burning sensation. Most individuals who complain of painful or burning urination have a urinary tract infection. There are many health conditions that can cause...

Strep Throat: 5 Fixes for Sore ThroatWhen we talk about strep throat we are referring to an infection that attacks the throat. As a result it causes adverse effects and symptoms which can not only be disturbing, but also painful. Once a person has strep throat it takes a short amount of time before...