Dr. Matthew Thomas Rivera MD

Recommended Articles

• Is Vaccination an Old Method or Another Achievement of the Modern Era?

  In the early 19th to the 20th century, parents would have been surprised to know that future generations would be free from childhood diseases. Diphtheria was then one of the most common diseases that took the lives of thousands of children, while polio left thousands of children crippled. Measles...

• Is Shingles Contagious? How Do You Get Shingles?

  Shingles is a contagious viral infection that is caused by the varicella zoster virus, the same virus that causes chickenpox. This virus affects a particular nerve section, causing painful rashes on the skin connected to that particular nerve. The rash normally appears in a form of a band on any...

• 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...

• 512 Pill Used for the Treatment of Chronic Pain

  IntroductionThe 512 pill is a white-colored round pill with an imprint of "512". It is known to contain the active ingredients acetaminophen with the strength of 325 mg and oxycodone with the strength of 5 mg. This medicine is supplied by the company known as Mallinckrodt Pharmaceuticals.The 512...

• 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...

• What is Enteral Feeding?

  Enteral feedingEveryone needs food for survival, but sometimes due to illness a person is unable to eat normally. This can be due to difficulty swallowing, reduced appetite or due to surgery that interferes with the eating process. Enteral tube feeding should be used in such cases. For this...