Dr. Karen Callen M.D.

Recommended Articles

• Antibiotics May Not Alleviate the Symptoms of Sinusitis

  A recent study has shown that antibiotics like amoxicillin are not very effective in controlling the symptoms of sinusitis, which is the infection of sinuses and the nasal passages. The study was conducted on 166 participants and the results are published in the journal of the American Medical...

• All About Wasp Stings

  IntroductionA wasp is an insect that belongs to the order of Hymenoptera and suborder Apocrita. Wasps can be identified from bees and ants through their physical and behavioral characteristics. They have a slimmer and smooth body with few hairs. Wasps are also parasitic and predatory in nature....

• What Causes Liver Cancer

  Liver cancer is a condition which occurs when your liver cells begin to grow uncontrollably. Although nearly all body cells can become cancerous and spread to the liver, only cancers that originate or begin in the liver are called liver cancer, or primary liver cancer. Many factors have been linked...

• Anemia Symptoms

  What is anemia?Anemia occurs when there are low levels of red blood cells (RBCs) in the body. Red blood cells are the ones that carry oxygen all over the body. So when a person's RBC count is lower than normal, it means that there is not enough oxygen in the blood, causing symptoms of anemia, such...

• What Is Pyrexia: Causes, Symptoms, and Treatment

  Introduction Pyrexia is the medical term for fever, in which the human body temperature rises above the average normal (37 degrees Celsius or 98.6 degrees Fahrenheit). Pyrexia is one of the most common symptoms of numerous medical conditions.There are multiple factors can affect the normal body...

• Questions You Should Be Asking Your Doctor

  IntroductionAlthough doctors have the best intentions, it does not always mean that they will perfectly recognize their patient’s greatest need. For this reason, patients also need to take an active role when it comes to communicating with their doctor.One of the best ways to make sure that...