Dr. David V Maruska MD

Nausea is a very unpleasant condition that is known as a feeling of sickness or uneasiness. Nausea is often a precursor to vomiting, and nearly everyone suffers from nausea at some point. Nausea can have a variety of different causes such as food poisoning, dehydration, motion sickness, morning...

Oesophageal thrush is a yeast infection of the throat. It is also known as oral candidiasis or oropharyngeal candidiasis. A healthy person is unlikely to develop this condition. It affects only those with a weakened immune system such as patients with HIV, cancer, and those on immunosuppressive...

IntroductionOrthopnea is the medical term used when referring to the occurrence of dyspnea (shortness of breath) when you are lying flat. This symptom is often a sign of heart failure. However, orthopnea can also be due to other health conditions. Dyspnea (shortness of breath) is not the same with...

Almost every cell in the body has a primary source of energy, which is usually glucose. However, when the body doesn't have enough glucose, the liver responds by producing chemicals known as ketones, converting stored fatty acids into ketone bodies. Ketones are used as a backup fuel source when...

IntroductionNausea is an unpleasant feeling that is usually experienced before vomiting. Constant or persistent nausea is characterized by feeling nauseous for more than 24 hours. Although nausea and vomiting often come together, vomiting may occur without feeling nauseous and nausea can occur...

Insomnia is the inability to sleep that people of all ages can experience. It may be caused by a wide range of factors including physical discomfort or psychological problems. There is a direct relationship between insomnia and psychosocial factors. Factors such as increased age, conflicts with...