Dr. William Callahan D.O.

Recommended Articles

• The Causes, Risk Factors, Symptoms, Diagnosis, and Treatment of Oesophageal Thrush

  Oesophageal thrush is a yeast infection of the throat. It is also known as oral candidiasis or oropharyngeal candidiasis. A healthy person is unlikely to develop this condition. It affects only those with a weakened immune system such as patients with HIV, cancer, and those on immunosuppressive...

• Different Types of Physicians Explained

  Doctors or physicians are categorized according to different factors including medical specialties and subspecialties. Most doctors specialize in a specific area of medicine. This article provides a summary of the different types of doctors in the medical field. AllergistsAllergists are also...

• Laryngitis: What Is Croup?

  What is laryngitis?Laryngitis is the swelling of your voice box. It is often caused by an infection, mostly by a virus. The voice box is also known as the larynx. It links the back of your throat to the windpipe. The vocal cord and larynx are part and parcel and are required for speech. Laryngitis...

• What Is Diclofenac?

  What is diclofenac?Diclofenac is an analgesic and anti-inflammatory medicine that belongs to the drug class called nonsteroidal anti-inflammatory drugs. Different types of pain such as dental pain, muscle pain associated with injury or surgery, and migraine can be treated by diclofenac. Redness...

• Causes, Treatment, and Prevention of Petechiae

  Petechiae are tiny dots that appear as red, brown, or purple in color beneath the skin. They are usually seen in clusters on the stomach, buttocks, arms, and legs. However, they may also appear inside the mouth or on the eyelids. Petechiae may indicate different conditions, which can range from...

• What Is Cat Scratch Fever?

  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...