Dr. Patrick K Kwan M. D.

Hemorrhoids can either be internal or external depending on their location. If they develop in the rectum, then they are internal, and if they develop in the anus, they are called as external hemorrhoids. However, internal hemorrhoids can enlarge and move out of the rectum and outside the anus....

Typhoid fever is a medical condition that is linked with a fever that occurs due to a bacterial infection that is triggered by a bacteria known as the Salmonella typhi bacteria. It could also be triggered by a similar bacteria called Salmonella paratyphi, which causes an illness that is less severe...

Sinus infection or sinusitis can be diagnosed by a qualified medical practitioner after a series of tests and examinations. Most cases are actually diagnosed based on the medical history of the patient and the examination of the doctor. This is because the more effective procedures like the MRI and...

IntroductionThe 512 pill is a white-colored round pill with an imprint of "512". It is known to contain the active ingredients acetaminophen with the strength of 325 mg and oxycodone with the strength of 5 mg. This medicine is supplied by the company known as Mallinckrodt Pharmaceuticals.The 512...

HIV and AIDSAIDS and HIV go hand in hand. First, let's talk about HIV (Human Immunodeficiency Virus). HIV attacks the body's immune system. This was first discovered in Central Africa from chimpanzees. It is believed to be transferred to humans when humans hunted chimpanzees and came in contact with...

The voice box which is also known as the larynx, and vocal cords can start swelling, and cause irritation which is caused by a condition called laryngitis. It is not permanent and can fade with time. It is characterized by your voice becoming hoarse and sometimes complete loss of speech. Most causes...