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The medical conditions database is designed to help you and your loved ones learn about the cause, prevention, symptoms, and treatment of medical conditions to better understand various conditions.

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  • Rabies

    Rabies is a viral disease that is spread most often from the bite of a rabid animal to another animal or to a human.

    Raynaud’s Disease

    Raynaud’s disease occurs when the small arteries (arterioles) that serve the fingers, toes, ears, or nose go into spasm. When arterioles go into spasm,

    Renovascular Disease

    Renovascular disease is a progressive condition that causes narrowing or blockage of the renal arteries or veins. These are the blood vessels that take

    Respiratory Syncytial Virus

    Most infants are exposed to the respiratory syncytial virus (RSV) by their second birthday, and almost all children are infected by the age of

    Restless Leg Syndrome

    Restless Legs Syndrome (RLS), also known as Willis-Ekbom disease, is a neurological (nervous system) disorder. It is characterized by an urge to move the


    The retina is the coating of the back of the eye made of specialized cells that process light and colour for us to see.


    Retinopathy, as it relates to the conditions covered in this article, refers to damage to the blood vessels of the retina. The retina, at

    Reye’s Syndrome

    Reye’s syndrome is an extremely serious acute condition that may attack all major organs of the body, but particularly the brain and liver. Rapid

    Rheumatic Fever

    Rheumatic fever is an inflammatory disease that can happen after a person becomes infected with the Streptococcus bacteria. Rheumatic fever was once a common

    Rheumatoid Arthritis

    Rheumatoid arthritis (RA) is a chronic condition that causes the lining of your joints or other body areas to become inflamed. As it progresses,


    Rosacea is a chronic skin condition in which the facial skin appears red. Small red bumps filled with what looks like pus may accompany


    Roseola is a viral infection that begins with a sudden high fever and is followed by the appearance of a rose-coloured rash. It used


    Rubella, also known as German measles or "three-day measles," is a contagious viral infection that brings on a rash as well as other symptoms.

    All material © 1996-2019 MediResource Inc. Terms and conditions of use. The contents herein are for informational purposes only. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.

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