Dr. Larry R Johnston M.D.

Recommended Articles

• What Is Raynaud’s Disease: Causes, Symptoms, Diagnosis, and Treatment

  What is Raynaud’s disease?Raynaud’s disease, also known as Raynaud’s syndrome or Raynaud’s phenomenon, is a rare blood vessel disorder described by a French physician named Maurice Raynaud in 1862. In this condition, the blood vessels that carry blood from the heart to other parts of the...

• What Causes Blisters and How to Get Rid of a Blister

  Blisters can occur for numerous reasons. Although they are not often serious, the appearance of blisters itself can be very off-putting. A blister is a fluid-filled bubble that develops under the skin. The watery liquid under the blister is often clear, which is called serum.When blisters break, the...

• What is an Exercise-Induced Migraine?

  What is an Exercise-Induced Migraine?Exercises have been recommended by many doctors and lifestyle therapists as a healthy way of living. Unfortunately these exercises can have side effects such as migraines.Compromising on fitness is not often a preferred option but oft one chosen due to health...

• Why Do Some Vaccines Have to Be Injected Twice?

   What is active immunity?...

• How is Lactose Intolerance Diagnosed?

  Lactose intolerance has gained a lot of prominence in recent years. The common symptoms of lactose intolerance like bloating, flatulence, discomfort, and diarrhea can often mimic the symptoms of many other medical conditions. There is often a tendency to self-diagnose when observing these symptoms....

• What Is a Lower Back Pain with Sciatica?

  Lower back pain is a common problem experienced by most people at some point during their lifetime. There are several causes for lower back pain with sciatica, and the intensity of pain can range from dull to quite severe. Men and women are equally affected by this condition. Most cases of back pain...