Dr. David S Hernandez MD

Recommended Articles

• What Is Sputum?

  Sputum is a combination of mucus coughed up from the respiratory tract and saliva. It is usually a result of diseases or infections. Phlegm and sputum are often interchangeably used. Sometimes, the term mucus is used when referring to sputum or phlegm. However, mucus is also produced in the...

• What are the Different Types of Inhalers Used to Treat Asthma?

  Managing medication and using inhalers have become integral parts of the asthma care routine. An inhaler allows you the freedom of carrying minute doses of medication for use in emergencies wherever you may go. It’s a huge relief knowing that help is immediately at hand in your trouser pocket. Not...

• What Are the Medications that Can Treat Pleurisy?

  Pleurisy is the inflammation of the pleural membranes that line your lungs and the inside of the chest wall. It is a very painful condition that is often exacerbated by deep inspiration. Most patients with pleurisy present a sharp, stabbing-like pain over one side of the chest that aggravates while...

• Bronchitis – Signs, Symptoms, Diagnosis, and Treatment

  What is Bronchitis?Bronchitis is an inflammation of the lining of the bronchial tubes. Bronchial tubes carry the air to and from the lungs.The disease can be either acute or chronic:...

• Everything You Need to Know About Aspiration Pneumonia

  Aspiration pneumonia or inhalation pneumonia is the inflammation of the lungs that occurs as a result of inhalation of various substances. These substances include vomit, food, foreign bodies, and regurgitated gastric juices.Aspiration of foreign objects can cause inflammation of the lungs,...

• What Are the Signs and Symptoms of AIDS?

  Acquired immunodeficiency syndrome, or AIDS, is a serious secondary immunodeficiency disorder. AIDS is caused by human immunodeficiency virus (HIV). There is progressive destruction of cell-mediated (T cell) immunity. Also, both conditions are characterized by subsequent effects on humoral immunity...