Dr. Robert Richard Shawhan M.D.

The throat is prone to infections by either viral or bacterial vectors. Thus, it is very important to know the underlying cause as well as the differences in common throat conditions. Differential diagnosis is needed for an accurate treatment plan.Sore Throat Versus Strep ThroatSore throat or...

What is prolactin?Prolactin or luteotropic hormone (LTH) is a peptide hormone, which promotes milk secretion in female mammals. This hormone also plays a significant role in pancreatic development, immune system regulation, and metabolism. When women become pregnant, their prolactin levels increase...

What are The Symptoms of Lethargy?Lethargy symptoms include:• Sluggishness• Being moody• Decreased level of alertness• Low energy levels• Fatigue and lack of motivation• Depression• Weight loss• Sweating and diarrheaMedical conditions such as premenstrual syndrome and medicinal side...

Ingrown hair is a condition where hair has grown back into the skin instead of out through the surface. An ingrown hair, since it irritates the skin, usually appears as a small, red bump, much like a pimple. Sometimes, it can have pus inside the follicle and look like a boil and cause you some pain...

Hypothyroidism is a common condition in which the thyroid gland is underactive and does not produce enough hormones. These hormones are very important in maintaining the metabolism of the body. Metabolism refers to the process by which cells produce and utilize energy from food. A reduction in the...

Sinus infection or sinusitis can be diagnosed by a qualified medical practitioner after a series of tests and examinations. Most cases are actually diagnosed based on the medical history of the patient and the examination of the doctor. This is because the more effective procedures like the MRI and...