Dr. Brian D Nicholas MD

Vertigo is a symptom of many diseases. It is a condition where a person feels as though he or she is spinning or their surrounding is spinning. Vertigo occurs as a result of disorders in the inner ear. The causes of vertigo may be divided into peripheral and central problems.Peripheral disorders...

The swelling or inflammation of the lining of the sinuses is what is called sinusitis or sinus infection. The sinuses are filled with air if they are healthy but in some cases, they can be blocked and filled with fluid and germs which end up causing infection.Blockage of the sinuses is due to any of...

Introduction The salivary glands produce saliva, which keeps the mouth moist, helps digest the food, and prevents the rapid decay of our teeth. The salivary glands are small in size and are located around the inner lining of the mouth, cheeks, and lips. Many diseases from cancerous tumors to...

Before learning about otitis interna, let us review the basic anatomy of the internal ear to understand the topic easily.What causes ear infections?The occurrence of ear infections happens due to viral or bacterial infections that affect the middle ear. It is mostly the sections of the ear behind...

A migraine is one of the most severe headaches, and the pain often affects an individual's daily activities. A migraine headache is broadly classified into migraine without aura and migraine with aura. Migraine with aura is a less common type of headache when compared to the other migraine. Aura is...

What is a tonsillectomy?A tonsillectomy is a type of surgical procedure that is purposely aimed at removing the tonsils, which are the two tiny glands found at the back part of a person’s throat. Although tonsils contain white blood cells to assist in fighting infections, they can also get...