Search Medical Conditions

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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  • Macular Degeneration

    The macula is a tiny circle in the middle of the retina, a light-sensitive membrane that lines the inside of the back of the


    Malaria is a mosquito-borne parasitic infection spread by Anopheles mosquitoes. The Plasmodium parasite that causes malaria is neither a virus nor a bacterium –

    Marfan Syndrome

    Marfan syndrome is a genetic disorder that affects the body’s connective tissue – the tissue that makes up our tendons, ligaments, joints, and muscles,


    Mastitis, also known as breast infection, is an infection of the breast tissue. It is caused by bacteria that usually enter the breast through small


    Measles (also called rubeola or morbilli) was once one of the most common childhood infections in North America. In the early 1960s, over half


    Melanoma is the most serious form of skin cancer. In Canada, an estimated 7,800 people are diagnosed with melanoma each year, and approximately 1,300

    Ménière’s Disease

    Ménière’s disease is a condition that affects the inner ear. It causes attacks of dizziness (vertigo), nausea and vomiting, a feeling of fullness in the ear,


    Meningitis means "inflammation of the meninges." The meninges (plural of meninx) are membranes that cover the brain and spinal cord. They can become inflamed


    Menopause is the time when a woman’s menstrual periods stop and her ovaries stop releasing eggs. A woman is considered menopausal once she has


    MERS (Middle East Respiratory Syndrome) is a severe pneumonia-like respiratory disease caused by a virus. It is different from SARS because MERS is caused

    Metabolic Syndrome

    A person has metabolic syndrome when they have a combination of 3 or more certain health risks. These health risks include: high blood pressure

    Metal Hypersensitivity

    Metal hypersensitivity is a disorder of the immune system. It is a common condition that affects 10% to 15% of the population. It can


    In North America, more than 1 in 10 people have migraine headaches. Most migraine sufferers are women. Migraines usually appear between the ages of

    Mitral Valve Prolapse

    Mitral valve prolapse (MVP) is a common condition that affects one of the heart’s valves. It occurs in about 1 out of every 50 people

    Molluscum Contagiosum

    Molluscum contagiosum is a common skin infection that is caused by a virus. The infection causes small, dimpled, skin-coloured bumps called papules to develop


    Monkeypox is a viral infection that is related to the virus that causes smallpox. It was first discovered in 1958 after a pox-like disease

    Morning Sickness

    Many pregnant women (about 70% to 85%) experience a period of nausea and vomiting. In the vast majority of cases, it’s unpleasant but not

    Motion Sickness

    Some people feel very sick while travelling in an airplane, boat, train, or car. They may feel queasy or nauseous or may vomit, and

    Multiple Myeloma

    Multiple myeloma is a type of cancer that occurs when a specialized white blood cell, a plasma cell, begins to grow and divide in

    Multiple Sclerosis

    Multiple sclerosis (MS) is a chronic condition that affects the central nervous system. This system includes the brain and spinal cord. It contains the


    Mumps is a viral infection of the salivary glands, especially the parotid glands that run along the angle of the jaw in front of

    Muscular Dystrophy

    Muscular dystrophy is a term that refers to a group of muscle disorders in which the face, arm, leg, spine, or heart muscles gradually

    Myasthenia Gravis

    Myasthenia gravis is an autoimmune disease of the neuromuscular junction, the contact point between nerves and muscles. For some unknown reason, the body’s immune

    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.