Dr. Deirdre McMullen

Recommended Articles

• Nosebleeds in Kids

  Most nosebleeds in kids often happen near the front of the nose, and usually from just one nostril. Children may also get occasional or frequent nosebleeds. In rare cases, nosebleeds in kids begin at the back of the nose, which often happens in older adults with facial or nasal injuries and...

• What Does a High Red Blood Cell (RBC) Count Mean?

  OverviewRed blood cells (RBCs), also called erythrocytes, are the cells that carry oxygen throughout the body. They are also one of the major components of blood. Having a high red blood cell (RBC) count means that the number of RBCs in the bloodstream is higher than normal. When you have signs and...

• What Is Epistaxis?

  What is epistaxis?Epistaxis or commonly called a nosebleed is defined as a type of bleeding that occurs from the nostrils, the nasal cavity, or the nasopharynx. Nosebleeds are mostly caused by the rupture of blood vessels inside the nose. Bleeding may be spontaneous or caused by injuries or trauma....

• What Is a Charley Horse?

  What is a charley horse?A charley horse is a term used when referring to a muscle cramp or spasm. Although muscle cramps can occur in any muscle in the body, they are commonly experienced in the leg. In a muscle spasm, the muscle uncontrollably contracts and does not relax. When the contracting...

• Headache in the Back of the Head

  A headache experienced in the back of the head can have many different causes. Most of these causes can be identified by specific symptoms, such as the exact location of pain and the type or severity of pain experienced. In some cases, certain events can trigger these headaches.  CausesDoctors can...

• Oliguria

  Oliguria is a medical term used when referring to a decreased urine output. Oliguria is considered when a person’s urine output is less than 400 mL in a 24-hour period. When it comes to infants, oliguria occurs when the urine output is less than 0.5 mL/kg/hr for 24 hours. Anuria is the absence...