Dr. Alan L Bier M.D.

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• Benzonatate Uses and Side Effects

  Generic Name: Benzonatate...

• Bronchiolitis – Signs, Symptoms, and Treatment

  What is Bronchiolitis?Bronchiolitis is a viral infection of the respiratory system, usually affecting the smallest air passages known as the bronchioles. Bronchioles are part of the lungs that control the airflow in and out of the lungs. When these bronchioles become infected, they tend to swell and...

• What Is Cyanosis and Why Does It Occur?

  IntroductionCyanosis is the medical term for a bluish discoloration of the skin, nails, toes, and mucous membranes. It is generally caused by low levels of oxygen in the blood. Normally, blood appears bright red when it is fully oxygenated. However, when blood does not have enough oxygen, it turns...

• Breaking: Asthma Drugs may not Actually Cause Birth Defects

  A new study has shown that asthma treatment may not actually increase the risk of birth defects as generally thought. This is reassuring news for many pregnant women who have asthma and need treatment. There was a very mild increase in the risk of rare birth defects in women who took the medication...

• Everything About Viral Pneumonia

  An Overview of Viral Pneumonia: What is it? Pneumonia is the inflammation of your lung tissue. It can be caused by bacteria, viruses, or fungi. Viral pneumonia is a result of untreated flu. When left untreated, the viruses somehow reach your lungs causing inflammation and swelling of the airways....

• What Is a Barrel Chest?

  Barrel Chest A barrel chest refers to an individual's chest that appears to be always partially inflated. It looks as if they are taking a deep breath with their rib cage broadened. An individual with a barrel chest may find it hard to breathe.A barrel chest may develop due to osteoarthritis or...