Dr. Donald J Heyrman MD

Recommended Articles

• What Causes Testicular Cancer?

  If you were to pose this simple question to your doctor, you would get the response that science does not know for sure what triggers cancer in the testes. But if you were to dig a little deeper, you may be drawn into a discussion on chromosomes and genes, the basic building blocks of life, and how...

• What is Sinusitis? Get the Facts

  The sinuses are four interconnected hollow spaces within the cranial bones of the face. These airy cavities exist as mirror opposites on either side of the nose and under the forehead. They are lined with mucus-secreting epithelium and thin hair-like growths called cilia. Acute infection,...

• How to Identify Insect Bites and Stings

  The cause or severity of insect bites or stings can be determined by the symptoms. Most bug bite symptoms cause itchy or painful red bumps. Other insect bites can cause welts or blisters. The following are some clues of common insect bites:...

• Pregnancy Symptoms

  Symptoms of pregnancy vary from one woman to another and also from one pregnancy to another. One of the most common and important symptom of pregnancy is a delayed or missed period. However, some of the early symptoms of pregnancy are similar to those of menstruation, and hence are often ignored or...

• What Medications Are Required to Treat Meningitis?

  The type of treatment to use is determined by the organism that causes the illness, the severity of the disease, the age of the patient and overall health status.What tests are done to identify meningitis?A few tests may be performed to determine whether you have meningitis. Tests are also done to...

• Chronic Knee Pain: What Are the Causes, Symptoms, and Treatment?

  Chronic knee pain is a long-lasting pain in the knees that is associated with swelling and stiffness. Typically, a knee pain lasts for more than three months. There are several causes of chronic knee pain and this article will focus on its causes, symptoms, diagnosis, and treatment.What is...