Dr. Timothy J Callaghan M.D.

How Is Cholera Related to Diarrhea? Cholera is an infection that occurs in the small intestines. It is caused by a bacterium known as Vibrio cholerae. The disease is acquired through the intake of contaminated food or water. When an infected person defecates and then clean water comes into contact...

Ringworm is a fungal type of infection, which is caused by the fungal organisms known as dermatophytes. It can affect various parts of the body, especially the skin on the hands, feet, face, and neck. It can also affect the scalp or nails. Initially, it appears as a small dot. Gradually, as the...

Although sometimes embarrassing, hemorrhoids are quite common. Statistics indicate that one in every two people has had hemorrhoids at least once in their lifetime. Both men and women are affected by hemorrhoids.There are two types of hemorrhoids; internal and external. Internal hemorrhoids, as the...

Diarrhea is a very common water-borne disease. A person who has diarrhea passes loose or liquid stool at least three times a day or more frequently than what is normal for the person. The reason behind the consistency and frequency of these bowel movements in a case of diarrhea is the increased flow...

OverviewDyspnea is the clinical term for shortness of breath or breathlessness experienced by both healthy individuals and patients with respiratory or cardiovascular diseases. It can also be a temporary condition that quickly resolves on its own or a symptom of a more serious health condition. A...

Insomnia is the inability to sleep that people of all ages can experience. It may be caused by a wide range of factors including physical discomfort or psychological problems. There is a direct relationship between insomnia and psychosocial factors. Factors such as increased age, conflicts with...