Dr. Robert G. Brennan M.D>

What is creatine phosphokinase (CPK)?Creatine phosphokinase (CPK) is an enzyme, which is predominantly present in the heart, brain, and skeletal muscles. Converting creatine into phosphate is the main task of this enzyme. The cells of the body then quickly consume or burn this phosphate and use it...

What is lightheadedness?Lightheadedness or feeling faint may not always be a cause for concern. However, it may also indicate an underlying health problem and can increase the risk of falling and fall-related injuries. If you feel lightheaded, drink water or fluids containing electrolytes and take...

IntroductionCat scratch fever or cat scratch disease is a bacterial infection spread by cats. You can get the cat scratch fever from a scratch or bite of a cat that is infected with the bacterium called Bartonella henselae. Aside from the infected cat’s scratch, you can also acquire the infection...

Uncontrollable shivering is characterized by the rapid shifting between muscle relaxation and contraction. It is through these contractions that the body warms itself up when exposed to cold. Shivering is not always accompanied by fever. In some cases, shivering may occur before the onset of...

What is Reye’s syndrome?Reye's syndrome is a rare but serious condition that can cause swelling of the liver and brain. Even though this condition can occur at any age, it is mostly reported to affect children and teenagers, especially those who are trying to recover from viral infections, such as...

IntroductionThe only way to prevent serious and life-threatening diseases such as meningitis is through vaccination. Meningitis can also be caused by viral, bacterial, and fungal infections. The infection usually affects the meninges or membranes that enclose the brain and spinal cord. Although...