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Diseases and Medical Conditions M-O provides down-to-earth, comprehensive definitions of hundreds of ailments and illnesses beginning with the letters M-O. Each listing identifies causes, incidence and risk factors, notes symptoms, outlines tests and discusses treatments and support groups where applicable.
Featured Article: Orchitis
Orchitis is an inflammation of one or both of the testicles. Learn about orchitis causes, symptoms, treatment and prevention. See more »
Mediastinitis
Mediastinitis is chronic or acute inflammation of the mediastinum. Learn about mediastinitis causes, symptoms, treatment and prevention.
See more »Medullary Carcinoma Of Thyroid
Medullary carcinoma of thyroid is thyroid cancer originating from the C cell. Learn about medullary carcinoma of thyroid causes, symptoms, treatment and prevention.
See more »Medullary Cystic Kidney Disease
Medullary cystic kidney disease (MCKD) is gradual kidney function loss from cysts in the kidney. Learn about MCKD causes, symptoms, treatment and prevention.
See more »Megaloblastic Anemia
Megaloblastic anemia is anemia with abnormally large red blood cells. Learn about megaloblastic anemia causes, symptoms, treatment and prevention.
See more »Meibomianitis
Meibomianitis is an inflammation of the meibomian glands of the eyelid. Learn about meibomianitis causes, symptoms, treatment and prevention.
See more »Melanoma
Melanoma has 4 major classifications and is the most serious form of skin cancer. Learn about melanoma causes, symptoms, tests, treatment and prevention.
See more »Melanoma Of The Eye
Melanoma of the eye is cancer in on of the structures of the eye. Learn about melanoma of the eye causes, symptoms, treatment and prevention.
See more »Melasma
Melasma is a common dark skin discoloration caused by sun exposure and hormone levels. Learn about melasma causes, symptoms, tests, treatment and prevention.
See more »Membranoproliferative GN I
Membranoproliferative GN I is a kidney disorder caused by glomeruli inflammation. Learn about membranoproliferative GN I causes, symptoms, treatment and prevention.
See more »Membranoproliferative GN II
Membranoproliferative GN II is a kidney disorder caused by deposits in the glomeruli. Learn about membranoproliferative GN II causes, symptoms, treatment and prevention.
See more »Membranous Nephropathy
Membranous nephropathy is a kidney disorder caused by glomeruli inflammation. Learn about membranous nephropathy causes, symptoms, treatment and prevention.
See more »Meniere’s Disease
Meniere's disease, the swelling of the endolymphatic sac, affects balance and hearing. Learn about Meniere’s disease causes, symptoms, treatment and prevention.
See more »Meningitis
Meningitis is the inflammation of the membranes surrounding the brain and spinal cord. Learn about causes, symptoms, tests, treatment and prevention.
See more »Meningitis - Cryptococcal
Meningitis – cryptococcal is an infection of the meninges by the Cryptococcus neoformans yeast. Learn about cryptococcal meningitis causes, symptoms, treatment and prevention.
See more »Meningitis - Gram-negative
Meningitis - gram-negative is an infection of the meninges by gram-negative bacteria. Learn about gram-negative meningitis causes, symptoms, treatment and prevention.
See more »Meningitis - H. Influenzae
Meningitis - H. influenzae is an infection of the meninges by H. influenzae bacteria. Learn about H. influenzae meningitis causes, symptoms, treatment and prevention.
See more »Meningitis - Meningococcal
Meningitis – meningococcal is an infection of the meninges by Neisseria meningitides bacteria. Learn about meningococcal meningitis causes, symptoms, treatment and prevention.
See more »Meningitis - Pneumococcal
Meningitis – pneumococcal is an infection of the meninges by Streptococcus pneumoniae bacteria. Learn about pneumococcal meningitis causes, symptoms, treatment and prevention.
See more »Meningitis - Tuberculous
Meningitis – tuberculous is an infection of the meninges by Mycobacterium tuberculosis bacteria. Learn about tuberculous meningitis causes, symptoms, treatment and prevention.
See more »Meningococcemia
Meningococcemia is an acute bloodstream bacterial infection and vasculitis. Learn about meningococcemia causes, symptoms, treatment and prevention.
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