Dr. Bryan Clark Mccann MD

What is a persistent cough?It can be annoying to have a cough that lasts for more than a couple of weeks. A cough is considered chronic or persistent if it does not go away after four weeks in children and eight weeks in adults. However, most persistent coughs are due to colds, flu, infection, or...

IBS with constipation (IBS-C) refers to an abdominal pain or disturbance associated with constipation. The signs and symptoms of IBS-C are long-lasting and keeps on recurring. The suffering from this disorder comes with hard and lumpy stools or watery stools at times. Constipation is a severe...

IntroductionNicotine is an alkaloid stimulant that comes from the nightshade family of plants, particularly from the leaves of tobacco. The type of nicotine found in tobacco plants is called Nicotiana tabacum. Nicotine can also be synthetically produced. Thousands of chemicals are contained in...

Dengue fever is a disease originating from four members of the Flaviviridae family of viruses. Identified as Dengue 1 through 4, these pathogens are called RNA viruses because their genetic nucleus is made up of ribonucleic acid or RNA. A fifth strain of the virus was discovered in 2013, adding to...

What is a sitz bath?A sitz bath is a shallow bath using warm water to help ease pain or itching in the perineum, the area between the anus and the scrotum or vulva. The word sitz is derived from the German word sitzen, meaning to sit. A sitz bath is usually recommended for people who have an anal...

IntroductionA small bump on any part of the body is always a troublesome affair. Has anyone wondered whether it is just a boil or a pimple? Although the two often look so similar, they are actually two different things. A pimple and a boil may start out similarly, wherein there would be a reddish...