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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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  • SARS

    SARS (severe acute respiratory syndrome) is a severe pneumonia-like respiratory disease that first came to worldwide attention in southeast Asia in February 2003. Pneumonia


    Scabies is caused by a mite (a tiny insect-like organism) that’s hardly visible without a microscope. The mite is disc-shaped, pearly-white in colour, with


    Schizophrenia is a serious and chronic medical condition. It is a disorder of the message system in the brain. Someone with schizophrenia loses the


    Sciatica is a pain that shoots along the sciatic nerve, radiating through the buttocks and down the back of the leg and as far


    Putting the two Greek words sclero (meaning hard) and derma (meaning skin) together paints a picture of the condition known as scleroderma. In this


    Scoliosis is an abnormal curvature of the spine. The spine bends to one side of the body, causing the torso to compress on that

    Seasonal Affective Disorder

    Seasonal affective disorder (SAD) is a type of depression that seems to be related to the amount of daylight to which people are exposed.

    Sexually Transmitted Infection

    Sexually transmitted infections (STIs) are a group of infections similar to one another only in that they can be acquired through sexual contact. STIs


    Shingles are caused by varicella-zoster, the same virus that causes chickenpox. If you’ve ever had chickenpox (typically during childhood), this virus is quietly hiding

    Sickle Cell Anemia

    Sickle cell anemia is an inherited blood disorder that causes chronic anemia, periodic episodes of pain, and other complications. In sickle cell anemia, the


    The sinuses are hollow spaces in the bones behind the face. Directly behind the nose is the nasal cavity. On either side of the

    Sjögren’s Syndrome

    Sjögren’s syndrome (pronounced "show-grens") occurs when the body’s immune system attacks the glands that produce moisture in the mouth and eyes, leading to dry

    Skin Cancer

    Skin cancer is the most common type of cancer in Canada. It is estimated that more than 78,000 Canadians develop non-melanoma skin cancer each

    Sleep Apnea

    Sleep apnea is a condition in which disturbed breathing interrupts sleep. Obstructive sleep apnea (OSA), the most common type of sleep apnea, affects approximately


    Smallpox was an infection that was caused by the virus called variola virus. For thousands of years, smallpox created severe illness and caused the

    Spider Bites

    Most spiders don’t bite humans and only do so if they’re provoked. When spiders bite, the vast majority of bites only cause a mild

    Spina Bifida

    Spina bifida is a type of malformation that occurs during early fetal development. It’s known as a type of neural tube defect (NTD), in

    Sports Injuries

    Each year, participation in sports or exercise accounts for approximately 35% of injuries that occur in Canada. People who participate in sports are more

    Stomach Cancer

    Stomach cancer, also known as gastric cancer, affects the stomach, which is found in the upper part of the abdomen and just below the

    Strep Throat

    Strep throat is the most common of bacterial infections that cause sore throat. It accounts for about 5% to 15% of all sore throats

    Stress Urinary Incontinence

    Stress urinary incontinence is caused by weakened pelvic floor muscles or a weakened urethral sphincter leading to urine leaks whenever there is sudden physical


    Stroke is a sudden loss of brain function caused by the interruption of blood flow to the brain, as a result of either an


    Styes are minor, short-term bacterial infections affecting the edge of the eyelid or eye. A stye is also called a hordeolum. Glands around the

    Substance Use Problems

    A substance use problem is a medical condition. It is substance use that: interferes with a person’s relationships with family and friends, interferes with

    Sudden Infant Death Syndrome

    Sudden infant death syndrome (SIDS) is a sudden and unexpected death of a seemingly healthy infant, usually less than one year of age. In


    Note: This article is not intended as a replacement for suicide counselling. If you or someone you know may be at risk of committing


    Sunburn is a kind of radiation damage done by the sun. While most people know that radiation is dangerous, they voluntarily expose themselves to

    Swine Influenza

    Swine influenza, also called "swine flu," is a contagious respiratory disease that affects pigs. Just like humans, pigs can get the flu. The swine


    Syphilis is primarily a sexually transmitted infection (STI) caused by Treponema pallidum bacteria. The disease has many clinical appearances that are often grouped into

    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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