Dr. William E Robertson MD

Porphyria is an inherited group of disorders that affect the skin and nerves. Porphyria that affects the skin is referred to as cutaneous porphyria, while the condition that affects the nerves is known as acute porphyria. Both types result in the accumulation of the chemical porphyrin in the body....

What is Post-Streptococcal Disorder? Post-streptococcal disorder (PSD) is a combination of many autoimmune disorders which manifest when your body's immune system is disturbed as a result of strep throat. An autoimmune disorder is a disorder which occurs as a result of the body's immune system...

Croup is a viral infection that causes swelling of the airway. As a result, the airway becomes narrower, making it difficult to breathe. It is also accompanied by an irritation in the larynx (voice box) and trachea (windpipe). This condition is also known as laryngotracheobronchitis because the...

What is terbinafine?Terbinafine is an antifungal that works by stopping fungi from growing. Topical terbinafine is used for the treatment of fungal skin infections, such as ringworm, jock itch, and athlete's foot. Oral terbinafine tablets are often prescribed when it comes to treating fungal...

Appendicitis is the inflammation of the appendix, which is a tube-like organ that extends from the large intestine. According to theories, the appendix is a specialized organ that is capable of producing antibodies. However, experts suggest that the appendix has no definite function in the human...

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...