Dr. Robert N. Merrill MD

A urinary tract infection (UTI) is a common infection in any part of the urinary or renal system (urethra, ureters, bladder, and kidneys). In fact, it is the second most common type of infection among adults. Besides being responsible for over 8 million visits to healthcare professionals every year,...

Conjunctivitis or "pinkeye" is an infection of the conjunctiva, the thin, clear membrane coating the white of the eye and lining the inside of the eyelid. The symptoms may vary slightly depending on the cause, but are distinct: redness of the white part of the eye, tearing, a thick yellow discharge...

A pinworm infection is a parasitic infection of the intestines, mostly affecting children. Pinworms can cause great discomfort in children since the infection comes with itching and irritation in the perianal region. This parasitic infection can spread from one child to another. Even adolescents...

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...

What is an abrasion?An abrasion is an open wound caused by the skin coming into contact with a rough surface, rubbing away the upper epidermal layer of the skin. The parts of the body that are more prone to abrasions are thin-skinned bony areas, such as the elbows, knees, ankles, shins, and upper...

What is encopresis?Encopresis is a disorder characterized by the involuntary leaking of poop due to chronic constipation. This disorder is usually observed in children 4 years old and above.In encopresis, the wall and the nerves of the bowel are stretched when poop is held on for a longer time. This...