Conditions A–Z
Plain-language reference entries for diseases, symptoms and tests.
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- M.D. profession
- MCL injury
- MD
- MI
- MIBG (iodine-131-meta-iodobenzylguanidine) scintiscan
- MIBI stress test
- MID
- MLD
- MMR - vaccine
- MPGN type I
- MPS I
- MRI
- MRI - cranial
- MRI of lumbosacral spine
- MRI of the abdomen
- MRI of the head
- MRI of the heart
- MRI of the spine
- MRI of the thorax
- MS
- MSG (monosodium glutamate) syndrome
- MSUD
- MUGA
- Macroamylasemia
- Macrocephaly
- Macrocytic achylic anemia
- Macrocytic anemia
- Macroglobulinemia - primary
- Macroglobulinemia of Waldenstrom
- Macroglossia
- Macrophage
- Macrosomia
- Macula lutea
- Macular Degeneration
- Macular degeneration
- Macular degeneration
- Macule
- Mad Cow - new variant CJD
- Magic markers
- Magnesium
- Magnesium - low
- Magnesium in diet
- Magnetic Resonance Imaging (MRI)
- Magnetic resonance imaging
- Magnetic resonance imaging - abdomen
- Magnetic resonance imaging - cardiac
- Magnetic resonance imaging - chest
- Magnetic resonance imaging - cranial
- Magnetic resonance imaging - lumbosacral spine
- Magnetic resonance imaging - spine
- Major Depression
- Major depression
- Major depression with psychotic features
- Major depressive disorder
- Make-up
- Malabsorption
- Malaise
- Malaria
- Malaria
- Malathion
- Male Infertility
- Male PAP test
- Male condoms
- Male fertility test
- Male pattern baldness
- Male pattern baldness
- Malignancy
- Malignant Hyperthermia
- Malignant Mesothelioma
- Malignant hypertension (arteriolar nephrosclerosis)
- Malignant hyperthermia
- Malignant malnutrition
- Malignant melanoma - choroid
- Malignant melanoma - eye
- Malignant otitis externa
- Malignant plasmacytoma
- Malignant teratoma
- Malignant tumor
- Mallory-Weiss tear
- Malnutrition
- Malocclusion of teeth
- Malposition of the uterus
- Malta fever
- Mammogram
- Mammogram - calcifications
- Mammogram - recommended age
- Mammography
- Mammography
- Mammoplasty
- Mandibulofacial dysostosis
- Manic Depression or Manic Depressive Illness
- Manic Depressive Illness or Manic Depression
- Maple syrup urine disease
- Marburg Hemorrhagic Fever
- Marburg disease
- Marfan syndrome
- Marfan's Syndrome
- Margarine vs. butter
- Marijuana abuse
- Marijuana intoxication
- Marine animal stings or bites
- Marker X syndrome
- Maroteaux-Lamy syndrome
- Maroteaux-Malamut
- Martin-Bell syndrome
- Mask of pregnancy
- Mass
- Mass in the abdomen
- Mastalgia
- Mastectomy
- Mastitis
- Mastocytoma
- Mastocytosis
- Mastodynia
- Mastoidectomy
- Mastoiditis
- Mastopexy
- Maternal blood loss
- Maternal deprivation syndrome
- Mathematics disorder
- Maturation - sexual
- Maxillofacial injury
- McArdle syndrome (glycogen storage disease type V)
- McCune-Albright syndrome
- Measles
- Measles (Rubeola)
- Measles - mumps - rubella (MMR) vaccine
- Meatal stenosis
- Meballymal
- Meckel's Diverticulum
- Meckel's diverticulectomy
- Meckel's diverticulum
- Meclofenamate overdose
- Meconium
- Meconium aspiration (inhalation)
- Meconium aspiration syndrome (MAS)
- Meconium stool culture
- Medial
- Medial collateral ligament (MCL) injury of the knee
- Median nerve dysfunction
- Mediastinal emphysema
- Mediastinal tumor
- Mediastinitis
- Mediastinoscopy with biopsy
- Medical abortion
- Medical emergencies - how to recognize them
- Medications - how to get prescription filled
- Medications for pain
- Medications to have at home
- Medicine storage
- Mediterranean anemia
- Medullary carcinoma of thyroid
- Medullary cystic kidney disease
- Megaloblastic anemia
- Megarectum
- Mehla" hrschaden
- Meibomian gland lipogranuloma
- Meibomianitis
- Melanin
- Melanin - urine
- Melanodermic leukodystrophy
- Melanoma
- Melanoma
- Melanoma of the eye
- Melasma
- Melasma (Chloasma)
- Melena
- Mellaril
- Membranoproliferative GN I
- Membranoproliferative GN II
- Membranoproliferative glomerulonephritis (type I)
- Membranoproliferative glomerulonephritis (type II)
- Membranous GN
- Membranous glomerulonephritis
- Membranous nephropathy
- Memory loss
- Memory loss - amnesia
- Meniere's Disease
- Meniere's disease
- Meningitis
- Meningitis
- Meningitis - H. influenzae
- Meningitis - cryptococcal
- Meningitis - gram-negative
- Meningitis - meningococcal
- Meningitis - pneumococcal
- Meningitis - staphylococcal
- Meningitis - syphilitic
- Meningitis - tuberculous
- Meningocele repair
- Meningococcal bacteremia or bacterial in the blood
- Meningococcal blood poisoning
- Meningococcal meningitis
- Meningococcal septicemia
- Meningococcemia
- Meniscal allograft transplantation
- Meniscus tears
- Menkes kinky hair syndrome
- Menkes syndrome
- Menopause
- Menopause And Perimenopause
- Menorrhagia
- Menstrual cramp relief
- Menstrual cramps
- Menstrual pain - adolescent
- Menstrual periods - abnormal
- Menstrual periods - heavy, prolonged, or irregular
- Menstrual periods - painful
- Menstruation - absent
- Menstruation - irregular; Irregular menstrual periods
- Menstruation - painful
- Mental retardation
- Mental status - decreased
- Mental status change
- Mental status tests
- Menthol overdose
- Mepergan Forte
- Meperidine hydrochloride overdose
- Meprobamate overdose
- Merbromin overdose
- Mercaptothion
- Mercuric chloride
- Mercuric oxide
- Mercurochrome
- Mercury
- Merthiolate
- Mesangial proliferative GN
- Mesangial proliferative glomerulonephritis
- Mesangiocapillary glomerulonephritis (type I)
- Mesangiocapillary glomerulonephritis (type II)
- Mesenteric Vascular Disease
- Mesenteric arteriography
- Mesenteric artery ischemia
- Mesenteric venous thrombosis
- Mesothelioma (benign-fibrous)
- Mesothelioma (malignant)
- Metabolic acidosis
- Metabolic neuropathies
- Metabolic panel 20
- Metabolic panel 7
- Metabolism
- Metabolite
- Metabolize
- Metachromatic leukodystrophy
- Metal cleaner
- Metal polishes
- Metallic taste
- Metanephrine
- Metastasis
- Metastatic brain tumor
- Metastatic cancer
- Metastatic cancer to the lung
- Metastatic pleural tumor
- Metatarsus adductus
- Metatarsus varus
- Metered dose inhaler administration
- Methadone overdose
- Methanol intoxication
- Methanol overdose
- Methanol test
- Methapyrilene hydrochloride overdose
- Methemoglobin
- Methemoglobinemia
- Methemoglobinemia - acquired
- Methyl salicylate overdose
- Methylene blue test
- Methylmalonic acid
- Methylmalonic acidemia
- Methylmercury poisoning
- Metopic ridge
- Metrorrhagia
- Metyrapone test
- Mg+2
- Microalbuminuria test
- Microcephaly
- Micrognathia
- Microsomal antibody
- Mid-Menstrual Cycle Pain (Mittelschmerz)
- Midcycle pain
- Middle ear infection - acute
- Middle ear infection - chronic
- Midface trauma
- Midline granulomatosis
- Migraine
- Migraine
- Migraine - classic
- Migraine - common
- Migraine - with aura
- Migrainous neuralgia
- Mild chronic hepatitis
- Mild exercise
- Mildew remover
- Milia
- Miliary tuberculosis
- Milk - human
- Milk and children
- Milk intolerance
- Milk secretions
- Milk-alkali syndrome
- Millipedes
- Mimic spasm
- Minamata Bay disease
- Mineral oil overdose
- Mineral spirits
- Mini stroke
- Minimal change disease
- Minimal change nephrotic syndrome
- Minimally invasive heart surgery
- Misaligned teeth
- Miscarriage
- Miscarriage
- Missed periods
- Mistletoe
- Mite bite
- Mitral Valve Prolapse
- Mitral insufficiency
- Mitral regurgitation - acute
- Mitral regurgitation - chronic
- Mitral stenosis
- Mitral valve insufficiency
- Mitral valve obstruction
- Mitral valve prolapse
- Mittelschmerz
- Mixed receptive-expressive language disorder
- Mixed tension migraine
- Molar Pregnancy
- Molar pregnancy
- Molding of the newborn's head
- Moles (Nevi)
- Molipaxin
- Molluscum Contagiosum
- Molluscum contagiosum
- Mongolian blue spots
- Mongolian slant
- Mongolian spots
- Monilial vaginitis
- Moniliasis - oral
- Mono
- Mononeuritis multiplex
- Mononeuropathy
- Mononeuropathy multiplex
- Mononucleosis
- Mononucleosis spot test
- Monorchism
- Monospot
- Monospot test
- Monounsaturated fat
- Moon face
- Morbid Obesity
- Morelle noire
- Morning sickness
- Moro reflex
- Morphine overdose
- Morquio disease
- Morquio syndrome
- Morton's Neuroma
- Mosaicism
- Moth balls
- Moth flakes
- Motormental retardation
- Motrin overdose
- Motrin overdose [1]
- Mottling
- Mountain fever
- Mountain sickness
- Mountain tick fever
- Mouth cancer
- Mouth sores
- Mouth ulcers
- Mouthwash overdose
- Movement - uncontrollable
- Movement - uncontrolled or slow
- Movement - uncoordinated
- Movement - unpredictable or jerky
- Movements - inability to perform useful tasks
- Mucocele
- Mucocutaneous lymph node syndrome
- Mucopolysaccharides
- Mucopolysaccharidosis
- Mucopolysaccharidosis type I
- Mucopolysaccharidosis type I (Scheie syndrome)
- Mucopolysaccharidosis type II
- Mucopolysaccharidosis type III (subtypes A - B - C - D)
- Mucopolysaccharidosis type IS
- Mucopolysaccharidosis type IVA (galactosamine-6-sulfatase deficiency)
- Mucopolysaccharidosis type IVB (beta galactosidase deficiency)
- Mucormycosis
- Mucosa
- Mucosal lacerations - gastroesophageal junction
- Mucous Gland Adenoma
- Mucous colitis
- Mucous cyst
- Mucous membrane
- Mucous retention cyst
- Mulberry teeth
- Multi-infarct dementia
- Multifocal atrial tachycardia
- Multifocal neuropathy
- Multiple Endocrine Neoplasia (MEN) I
- Multiple Endocrine Neoplasia (MEN) II
- Multiple Myeloma
- Multiple Myeloma
- Multiple Sclerosis (MS)
- Multiple lentigines syndrome
- Multiple lipoprotein-type hyperlipidemia
- Multiple sclerosis
- Multiple system atrophy
- Multiple vitamin overdose
- Mumps
- Mumps
- Mumps vaccination
- Munchausen syndrome by proxy
- Murine
- Muscle - jerky movements (uncontrolled)
- Muscle Strain
- Muscle aches
- Muscle atrophy
- Muscle biopsy
- Muscle cramps
- Muscle fasciculation
- Muscle function loss
- Muscle pain
- Muscle phosphorylase deficiency
- Muscle strain treatment
- Muscle twitching
- Muscle wasting
- Muscle weakness
- Muscle weakness associated with aging
- Muscular Dystrophy
- Muscular dystrophy
- Muscular dystrophy - Duchenne type
- Muscular dystrophy - limb-girdle type
- Myalgia
- Myasthenia Gravis
- Myasthenia gravis
- Myasthenic syndrome
- Mycetoma
- Mycobacteria other than tuberculosis
- Mycobacterial culture of bone marrow
- Mycobacterial culture of liver biopsy
- Mycobacterial culture of suspected non-pulmonary site of pathology
- Mycoplasma pneumonia
- Mycotic arthritis
- Myelin
- Myelofibrosis
- Myelography
- Myeloid metaplasia
- Myelomeningocele (children)
- Myelomeningocele closure
- Myelomeningocele repair
- Myeloproliferative disorder
- Myitis
- Myocardial Infarction (Heart Attack)
- Myocardial biopsy
- Myocardial contusion
- Myocardial infarction
- Myocarditis
- Myocarditis
- Myofascial pain syndrome
- Myoglobin - serum
- Myoglobin - urine
- Myogram
- Myoma
- Myonecrosis
- Myopathic changes
- Myopia
- Myopia (Nearsightedness)
- Myositis
- Myositis
- Myotonia congenita
- Myringotomy
- Myristical oil
- Myxedema
- Myxoma - atrial