Dr. Donald J Oconnor MD

Recommended Articles

• Different Blood Types and What They Mean

  The ABO (A, B, AB, or O) blood group system is used to classify different types of antibodies in the plasma and antigens in the red blood cells (RBCs). The ABO blood group and RhD antigen determine the type of blood that is a perfect match for blood transfusions. The four ABO blood groups are: ...

• Cold vs. Allergy: How to Tell the Difference

  It is very common to assume that anyone with the sniffles is contagious. Very often, however, those sniffles are not linked to anything contagious at all--they can be related to other factors. The first thought of many individuals when they suffer from a runny nose, nasal congestion, coughing, or...

• What Is Mumps: Get the Facts

  Mumps is a highly contagious viral infection, which is common in young children. It’s often recognizable by extremely painful swellings occurring at the side of the face, giving the individual a distinctive hamster face appearance. Other mumps-related symptoms include high body temperature,...

• How to Get Rid of a Boil: Homeopathic Treatment and Prevention

  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...

• What Causes Blisters and How to Get Rid of a Blister

  Blisters can occur for numerous reasons. Although they are not often serious, the appearance of blisters itself can be very off-putting. A blister is a fluid-filled bubble that develops under the skin. The watery liquid under the blister is often clear, which is called serum.When blisters break, the...

• What Causes an Upper Back Pain?

  Any pain or discomfort in and around the shoulders and upper areas of your back is referred to as upper back pain. Pain may occur due to a strain or poor posture over a period of time, or as a result of sudden injury or trauma. In recent times, the use of computers has lead to an increase in upper...