Dr. David J Duval M.D.

Croup in AdultsAlthough croup is commonly observed in children who are 6 months to 3 years old, it is also possible for adults to get the infection in rare cases. Croup is a viral respiratory infection caused by human parainfluenza viruses (HPIVs). However, other causes of croup may include...

We all know that potassium is one of the essential nutrients our body needs to perform different functions. Along with other key macrominerals including magnesium, calcium, sodium, phosphorus, sulfur, and chloride, our body needs potassium to maintain a healthy metabolism.Our body does not naturally...

Lupus symptoms can be managed by alternative medicine and the immune system can be strengthened by these medicines too. You may find the term ‘alternative’ unfamiliar but you might actually be shocked to realize that you know the majority of these alternative treatments. Alternative treatments...

The Tdap vaccine protects the body from three diseases: tetanus, diphtheria, and whooping cough....

What is gout in knee?Gout in knee is an inflammatory condition that causes swelling and pain in the knee joints. In the US, approximately 1-2 people in every 100 suffer from gout. Men are more likely to be affected by this condition than women with a peak-incidence age of 75. There are recurrent...

Hiccups refer to the sudden spasms of the diaphragm, the muscle present at the base of the lungs that separates the chest and abdomen. These spasms result in the closure of the vocal cords, which produces the characteristic ‘hic’ sound of hiccups. Fortunately these bothersome contractions are...