Dr. Irnest Stephen Oser MD

Doctors or physicians are categorized according to different factors including medical specialties and subspecialties. Most doctors specialize in a specific area of medicine. This article provides a summary of the different types of doctors in the medical field. AllergistsAllergists are also...

If you have symptoms that are likely to be of chronic obstructive pulmonary disease (COPD), visit your doctor as soon as possible. You can receive a proper diagnosis if you have COPD after several breathing tests have been administered.Early detection of COPD is essential for those who may be at...

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...

CF is an inherited disease that progresses throughout a patient’s life. Progression can occur when the thick and sticky mucus that accumulates within the body triggers inflammation and scarring in multiple different organs, thus leading to permanent damage. Unfortunately, many CF symptoms and...

A new study has shown that asthma treatment may not actually increase the risk of birth defects as generally thought. This is reassuring news for many pregnant women who have asthma and need treatment. There was a very mild increase in the risk of rare birth defects in women who took the medication...

An autoimmune disorder, rheumatoid arthritis (RA) presents as chronic pain and inflammation in the joints. Joint damage usually occurs on both sides of the body, meaning that if a joint in an  arm or leg is affected, the same joint in the other arm or leg will likely be affected as well. ...