Dr. Christopher D. Mercado M.D.

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• Is Sinusitis Preventable?

  One of the leading reasons why individuals visit their doctors is sinus pain. According to research, approximately 37 million American citizens get symptoms for sinusitis like thick nasal discharge, sinus pain, and nasal congestion. That figure is on the rise due to an increase in pollutants and...

• Viral vs. Bacterial Infections: Know the Difference

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• What are the Signs and Symptoms of Back Pain?

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• Treatment for Itchy Nipples

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• Does the Pertussis Vaccine Have Any Contraindications and Side Effects?

  Pertussis is an infection of the upper respiratory system. The disease is highly contagious and spreads through the coughing and sneezing of an infected individual. This highly contagious and airborne disease is caused by the bacteria called Bordetella pertussis. The symptoms of pertussis typically...