Dr. Jason Brenes M.D.

Recommended Articles

• Leukocytes in Urine: What Does Leukocyte Esterase in Urine Mean?

  What are leukocytes?White blood cells (WBCs) are also called as leukocytes. They protect the body from infections by fighting foreign invaders such as viruses, bacteria, fungi, or parasites. Phagocytes and lymphocytes are forms of white blood cells (WBCs).Phagocytes engulf foreign particles like...

• What are the Signs and Symptoms of Dengue Fever?

  Entry Point: The Proboscis Prick of the Aedes MosquitoIn Dengue fever, the human body plays host to a virus that is carried by the Aedes mosquito species. The infection occurs when mosquito saliva is mixed with harmful viruses in the bloodstream. The virus then goes through stages of overcoming the...

• Causes and Treatment of a Persistent Cough

  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...

• What Is Tetrocalcaneal Bursitis?

  Bursitis is a condition that affects the bursa causing inflammation and pain. This infection causes the bursa to be swollen and cause pain to the area. A bursa is a type of sac that is located in between joints in the body. This might be in the bones, muscles, or tendons. It contains a fluid called...

• Chlamydia in Men

  What is chlamydia?Chlamydia is one of the most widespread sexually transmitted diseases (STDs) in the United States. It is caused by the bacteria Chlamydia trachomatis. Chlamydia infection is more or less like gonorrhea in terms of its symptoms and format of spreading from one person to the other....

• Are There Risks to Cryotherapy?

  Cryotherapy is a fairly new technology, and it has only been in use since 1978. It was at this time in Japan that the idea of lowering body temperature as a treatment procedure was discovered. The year 1978 seems like a long time ago for some people, but, in medical circles, it’s a very short...