Rabies is a deadly virus spread to people from the saliva of infected animals. The rabies virus is usually transmitted through a bite.
Raynaud's disease is a condition that causes some areas of your body — such as your fingers, toes, tip of your nose and your ears — to feel numb and cool in response to cold temperatures or stress.
Recurrent breast cancer is cancer that comes back following initial treatment. Although treatment is aimed at eliminating all cancer cells, a few may survive. These undetected cancer cells multiply, becoming recurrent breast cancer.
Restless legs syndrome (RLS) is a condition in which your legs feel extremely uncomfortable while you're sitting or lying down. It makes you feel like getting up and moving around. When you do so, the unpleasant feeling of restless legs syndrome temporarily goes away.
Reye's syndrome is a rare but serious condition that causes swelling in the liver and brain. Reye's syndrome most often affects children and teenagers recovering from a viral infection and who may also have a metabolic disorder.
Rheumatic fever is an inflammatory disease that can develop as a complication of untreated or poorly treated strep throat. Strep throat is caused by infection with group A streptococcus bacteria.
In this article I will look at Rheumatoid Arthritis. At the outset we look at what Rheumatoid Arthritis exactly is, we then consider the causes of Rheumatoid Arthritis, the risk factors associated with Rheumatoid Arthritis, and the treatments available and current management strategies.
Rickets is the softening and weakening of bones in children, usually because of an extreme and prolonged vitamin D deficiency.
Ringworm of the body is one of several forms of ringworm, a fungal infection that develops on the top layer of your skin. It's characterized by an itchy, red circular rash with healthy-looking skin in the middle.
Ringworm of the scalp is one of several forms of ringworm, a type of fungal infection that affects the skin, nails and scalp. Ringworm of the scalp is most common in toddlers and school-age children, causing red, itchy, bald-looking patches on the scalp.
Rosacea is a chronic, inflammatory skin condition that affects adults. It causes redness in your face and produces small, red, pus-filled bumps or pustules.
Rotavirus is the most common cause of severe diarrhea in infants and children worldwide, according to the Centers for Disease Control and Prevention. Most children have at least one bout with rotavirus by age 2 or 3.
Rubella, once also called German measles or three-day measles, is a contagious viral infection best known by its distinctive red rash.
A ruptured spleen is a serious condition that can occur when your spleen experiences a trauma. Without emergency treatment, a ruptured spleen can cause life-threatening bleeding.