Dr. Mohammad Qasim Khan 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...

Primary care providers, family physicians, generalists, and internists can be tricky designations to understand because these healthcare providers similarly cover a number of areas when diagnosing and treating people. However, knowing their differences can be helpful when it comes to finding the...

Do I Have Migraines?Migraines are one of the most common types of headaches that affect people. The irritating pain is often accompanied by characteristic warning signs like blind spots, nausea, vomiting, and other symptoms. Migraines are caused by the enlargement of blood vessels along with the...

IntroductionA small bump on any part of the body is always a troublesome affair. Has anyone wondered whether it is just a boil or a pimple? Although the two often look so similar, they are actually two different things. A pimple and a boil may start out similarly, wherein there would be a reddish...

“People often come to doctors because of chronic tiredness. It is one of the most common complaints that bring them to the doctor”, says J. Fred Ralston Jr., MD, an internist practicing in western Tennessee and past president of the American College of Physicians. Ralston adds that there are...

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...