Michael Castillo MD

Recommended Articles

• What Are the Causes of Conjunctivitis?

  What is conjunctivitis?Conjunctivitis, also commonly called as “pink eye”, is an eye infection caused by either bacteria or viruses. You can also develop a "pink eye" if you are exposed to certain allergens that can irritate your eyes. When you have a pink eye, the conjunctiva of your eye is...

• Zinc Deficiency

  What is zinc?Zinc is a mineral that plays an important role in many different chemical reactions in your body. The human body uses this mineral to fight off infections, maintain acid-base balance, promote growth and development, boost antioxidant activity, and regulate gene expression, among...

• Floating Poop: Reasons

  Causes of Floating PoopOne day, all of a sudden, you notice that you have floating poop. The very next thing that comes to your mind is,  "Why?"Usually, poop sinks to the bottom of the toilet, so you might be wondering why your poop floats. Diet and other contributing factors can cause changes in...

• What Is Chronic Urticaria?

  IntroductionUrticaria is also known as hives, which are itchy and red welts that can be triggered by certain situations or substances. These welts may vary in sizes. They tend to repeatedly appear and fade away as the skin reaction runs its course. Each of these welts is said to characteristically...

• What Causes Meningitis?

  Meningitis occurs when the meninges, the protective membranes surrounding the brain and spinal cord, get inflamed or irritated. Meningitis is an outcome of certain bacteria or viruses entering the body when our immune system is weak.These bacteria and viruses live in the nose, throat, or the...

• What Is Polyuria?

  IntroductionPolyuria refers to frequent urination and passing excessive amounts of urine every time a person urinates. Normally, adults pass approximately 1-2 liters of urine per day. However, when there is an excessive urination volume of more than 3 liters a day, it is considered as...