Dr. William Mark Armstrong MD

IntroductionNicotine is an alkaloid stimulant that comes from the nightshade family of plants, particularly from the leaves of tobacco. The type of nicotine found in tobacco plants is called Nicotiana tabacum. Nicotine can also be synthetically produced. Thousands of chemicals are contained in...

Dehydration results when you lose water in your body. The rule of thumb is, if you’re thirsty, you’re already dehydrated. Keep well hydrated by drinking plenty of water, even before you begin your outdoor activity,” said Dr. Irvin Sulapas, a primary care sports medicine physician and assistant...

What is diclofenac?Diclofenac is an analgesic and anti-inflammatory medicine that belongs to the drug class called nonsteroidal anti-inflammatory drugs. Different types of pain such as dental pain, muscle pain associated with injury or surgery, and migraine can be treated by diclofenac. Redness...

What is anemia?Anemia occurs when there are low levels of red blood cells (RBCs) in the body. Red blood cells are the ones that carry oxygen all over the body. So when a person's RBC count is lower than normal, it means that there is not enough oxygen in the blood, causing symptoms of anemia, such...

Petechiae are tiny dots that appear as red, brown, or purple in color beneath the skin. They are usually seen in clusters on the stomach, buttocks, arms, and legs. However, they may also appear inside the mouth or on the eyelids. Petechiae may indicate different conditions, which can range from...

Valley fever, or coccidioidomycosis, is a fungal infection that usually presents itself in the form of a lung disease. This condition is also known by the name desert fever, desert rheumatism, and San Joaquin Valley fever. This condition is very mild, in most cases, and requires no special...