Dr. Douglas J Johnson M.D.

Conjunctivitis or "pinkeye" is an infection of the conjunctiva, the thin, clear membrane coating the white of the eye and lining the inside of the eyelid. The symptoms may vary slightly depending on the cause, but are distinct: redness of the white part of the eye, tearing, a thick yellow discharge...

What is vitamin D?Vitamin D is a unique fat-soluble vitamin that plays a significant role in many aspects of health. Also referred to as the sunshine vitamin, it stands out from other types of vitamins since the body can produce vitamin D through sunlight exposure. With 20-25 minutes of daily sun...

What Is Nipple Piercing? In the Western world, only the ears used to be pierced. The last 15 years, however, have seen an increase in the lifestyle and fashion trend of piercing parts of the body other than the earlobes. Nipples are among the locations chosen to be pierced, by both females and...

One of the most common reasons why people visit their doctor is their back pain. According to the National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS), 8 out of 10 people have some type of back pain. The pain originates in the spine and can manifest in multiple forms. The...

What is heart rate?The heart rate is the number of heartbeats that occur per minute. The normal heart rate depends from person-to-person. As people get older, the heart rate changes and pulse regularity may change, which can signify heart problems or other medical conditions. Your heart rate may...

319 PillThis pill is round in shape and white in color, and has an imprint of number “319”. It has been identified as tramadol hydrochloride 50 mg. It is used to treat restless legs syndrome (RLS), back pain, chronic pain, and fibromyalgia. It is supplied by Zydus Pharmaceuticals and belongs to...