Diseases & Conditions
- Macroamylasemia(Condition)
- Macrocytic achylic anemia (see:
Pernicious anemia)
(Condition)
- Macrocytic anemia (see:
Vitamin B12 deficiency anemia)
(Condition)
- Macroglobulinemia - primary (see:
Waldenstrom macroglobulinemia)
(Condition)
- Maculopapular cutaneous mastocytosis (see:
Urticaria pigmentosa)
(Condition)
- Magnesium - low (see:
Magnesium deficiency)
(Condition)
- Magnesium deficiency(Condition)
- Major depression(Condition)
- Major depression with psychotic features(Condition)
- Major depressive disorder (see:
Major depression)
(Condition)
- Malabsorption(Condition)
- Malaria(Condition)
- Male pattern baldness(Condition)
- Malignant fibrous histiocytoma (see:
Adult soft tissue sarcoma)
(Condition)
- Malignant hypertension(Condition)
- Malignant hyperthermia(Condition)
- Malignant malnutrition (see:
Kwashiorkor)
(Condition)
- Malignant melanoma (see:
Melanoma)
(Condition)
- Malignant melanoma - choroid (see:
Melanoma of the eye)
(Condition)
- Malignant melanoma - eye (see:
Melanoma of the eye)
(Condition)
- Malignant mesothelioma(Condition)
- Malignant mixed Müllerian tumors (see:
Uterine sarcoma)
(Condition)
- Malignant neoplasm - oral (see:
Oral cancer)
(Condition)
- Malignant otitis externa(Condition)
- Malignant plasmacytoma (see:
Multiple myeloma)
(Condition)
- Malignant pleura mesothelioma (MPM) (see:
Malignant mesothelioma)
(Condition)
- Malignant teratoma of the mediastinum(Condition)
- Malignant tumor (see:
Cancer)
(Condition)
- Mallory-Weiss tear(Condition)
- Malnutrition(Condition)
- Malocclusion of teeth(Condition)
- Malposition of the uterus (see:
Retroversion of the uterus)
(Condition)
- Malta fever (see:
Brucellosis)
(Condition)
- Mammary dysplasia (see:
Fibrocystic breasts)
(Condition)
- Mandibulofacial dysostosis (see:
Treacher Collins syndrome)
(Condition)
- Manic depression (see:
Bipolar disorder )
(Condition)
- Manic depressive disorder (see:
Bipolar disorder )
(Condition)
- MAO - serotonin syndrome (see:
Serotonin syndrome)
(Condition)
- Maple syrup urine disease(Condition)
- Marfan syndrome(Condition)
- Marie-Sainton syndrome (see:
Cleidocranial dysostosis)
(Condition)
- Marijuana intoxication(Condition)
- Marker X syndrome (see:
Fragile X syndrome)
(Condition)
- Maroteaux-Malamut (see:
Acrodysostosis)
(Condition)
- Martin-Bell syndrome (see:
Fragile X syndrome)
(Condition)
- Mary Jane (see:
Marijuana intoxication)
(Condition)
- MAS (see:
Meconium aspiration syndrome)
(Condition)
- Mask of pregnancy (see:
Melasma)
(Condition)
- Mass (see:
Tumor)
(Condition)
- Mastitis (see:
Breast infection)
(Condition)
- Mastocytoma (see:
Urticaria pigmentosa)
(Condition)
- Mastocytosis (see:
Urticaria pigmentosa)
(Condition)
- Mastoiditis(Condition)
- Maternal HIV (see:
HIV/AIDS in pregnant women and infants)
(Condition)
- Maternal transmission - hepatitis B children (see:
Hepatitis B - children)
(Condition)
- Maternal transmission - hepatitis C - children (see:
Hepatitis C - children)
(Condition)
- Mathematics disorder(Condition)
- Matrix excision (see:
Ingrown toenail)
(Condition)
- Mature B cell lymphoma - children (see:
Non-Hodgkin lymphoma in children)
(Condition)
- Maxillofacial injury (see:
Facial trauma)
(Condition)
- McCune-Albright syndrome(Condition)
- McCune-Albright syndrome (see:
Fibrous dysplasia)
(Condition)
- MCI (see:
Dementia)
(Condition)
- MCI - metabolic (see:
Dementia due to metabolic causes)
(Condition)
- MCI - vascular (see:
Vascular dementia)
(Condition)
- MD (see:
Muscular dystrophy)
(Condition)
- MDS (see:
Myelodysplastic syndrome)
(Condition)
- Measles(Condition)
- Measles - SSPE (see:
Subacute sclerosing panencephalitis)
(Condition)
- Meatal stenosis(Condition)
- Meckel diverticulum(Condition)
- Meconium aspiration syndrome(Condition)
- Meconium pneumonitis (inflammation of the lungs) (see:
Meconium aspiration syndrome)
(Condition)
- Medial epicondylitis - golfer's elbow(Condition)
- Median nerve dysfunction (see:
Carpal tunnel syndrome)
(Condition)
- Median nerve entrapment (see:
Carpal tunnel syndrome)
(Condition)
- Median neuropathy (see:
Carpal tunnel syndrome)
(Condition)
- Mediastinal emphysema (see:
Pneumomediastinum)
(Condition)
- Mediastinal tumor(Condition)
- Mediastinitis(Condition)
- Medically refractory childhood epilepsy (see:
Epilepsy in children)
(Condition)
- Medication hypersensitivity (see:
Drug allergies)
(Condition)
- Medicines - attention deficit hyperactivity disorder (see:
Medicines for ADHD)
(Condition)
- Medicines for ADHD(Condition)
- Mediterranean anemia (see:
Thalassemia)
(Condition)
- Mediterranean fever (see:
Brucellosis)
(Condition)
- Medullary cystic kidney disease (see:
Autosomal dominant tubulointerstitial kidney disease)
(Condition)
- Medullary thyroid carcinoma (see:
Thyroid cancer)
(Condition)
- Medulloblastoma - adults (see:
Brain tumor - primary - adults)
(Condition)
- Medulloblastoma - children (see:
Brain tumor - children)
(Condition)
- Megaloblastic macrocytic anemia (see:
Vitamin B12 deficiency anemia)
(Condition)
- Megarectum (see:
Toxic megacolon)
(Condition)
- Meibomian gland dysfunction (see:
Blepharitis)
(Condition)
- Meibomian gland dysfunction (see:
Meibomianitis)
(Condition)
- Meibomian gland lipogranuloma (see:
Chalazion)
(Condition)
- Meibomianitis(Condition)
- Melanoma(Condition)
- Melanoma - liver metastases (see:
Liver metastases)
(Condition)
- Melanoma in situ (see:
Melanoma)
(Condition)
- Melanoma of the eye(Condition)
- Melasma(Condition)
- Membranoproliferative glomerulonephritis(Condition)
- Membranoproliferative GN I (see:
Membranoproliferative glomerulonephritis)
(Condition)
- Membranoproliferative GN II (see:
Membranoproliferative glomerulonephritis)
(Condition)
- Membranous glomerulonephritis (see:
Membranous nephropathy)
(Condition)
- Membranous GN (see:
Membranous nephropathy)
(Condition)
- Membranous nephropathy(Condition)
- MEN I (see:
Multiple endocrine neoplasia (MEN) I)
(Condition)
- MEN I - glucagonoma (see:
Glucagonoma)
(Condition)
- MEN II (see:
Multiple endocrine neoplasia (MEN) II)
(Condition)
- Meniere disease(Condition)
- Ménière disease (see:
Meniere disease)
(Condition)
- Ménière's disease (see:
Meniere disease)
(Condition)
- Meningioma - adults (see:
Brain tumor - primary - adults)
(Condition)
- Meningioma - children (see:
Brain tumor - children)
(Condition)
- Meningitis(Condition)
- Meningitis - bacterial (see:
Meningitis)
(Condition)
- Meningitis - cryptococcal(Condition)
- Meningitis - fungal (see:
Meningitis)
(Condition)
- Meningitis - syphilitic (see:
Syphilitic aseptic meningitis)
(Condition)
- Meningitis - tuberculous(Condition)
- Meningitis - vaccine (see:
Meningitis)
(Condition)
- Meningitis - viral (see:
Meningitis)
(Condition)
- Meningitis - West Nile (see:
West Nile virus infection)
(Condition)
- Meningococcal bacteremia (see:
Meningococcemia)
(Condition)
- Meningococcal blood poisoning (see:
Meningococcemia)
(Condition)
- Meningococcal meningitis(Condition)
- Meningococcal septicemia (see:
Meningococcemia)
(Condition)
- Meningococcemia(Condition)
- Meningomyelocele (see:
Myelomeningocele)
(Condition)
- Menkes disease(Condition)
- Menkes kinky hair syndrome (see:
Menkes disease)
(Condition)
- Menopause(Condition)
- Menopause vaginal dryness (see:
Vaginal dryness)
(Condition)
- Menorrhagia (see:
Vaginal or uterine bleeding)
(Condition)
- Menorrhagia - dysfunctional (see:
Abnormal uterine bleeding)
(Condition)
- Menstrual disorder - dysphoric (see:
Premenstrual dysphoric disorder)
(Condition)
- Mental retardation (see:
Intellectual disability)
(Condition)
- Meperidine - opiate withdrawal (see:
Opiate and opioid withdrawal)
(Condition)
- Mesangiocapillary glomerulonephritis (see:
Membranoproliferative glomerulonephritis)
(Condition)
- Mesenteric artery ischemia(Condition)
- Mesenteric vascular disease (see:
Mesenteric artery ischemia)
(Condition)
- Mesenteric venous thrombosis(Condition)
- Mesothelioma - benign (see:
Solitary fibrous tumor)
(Condition)
- Mesothelioma - fibrous (see:
Solitary fibrous tumor)
(Condition)
- Mesothelioma - malignant (see:
Malignant mesothelioma)
(Condition)
- Metabolic acidosis(Condition)
- Metabolic bone disease (see:
Osteoporosis)
(Condition)
- Metabolic neuropathies(Condition)
- Metabolic syndrome(Condition)
- Metachromatic leukodystrophy(Condition)
- Metastases to the liver (see:
Liver metastases)
(Condition)
- Metastases to the lung (see:
Lung metastases)
(Condition)
- Metastatic brain tumor(Condition)
- Metastatic cancer to the lung (see:
Lung metastases)
(Condition)
- Metastatic liver cancer (see:
Liver metastases)
(Condition)
- Metastatic pleural tumor(Condition)
- Metatarsal neuralgia (see:
Morton neuroma)
(Condition)
- Metatarsus adductus(Condition)
- Metatarsus varus (see:
Metatarsus adductus)
(Condition)
- Methadone - opiate withdrawal (see:
Opiate and opioid withdrawal)
(Condition)
- MetHb (see:
Methemoglobinemia)
(Condition)
- Methemoglobinemia(Condition)
- Methemoglobinemia - acquired(Condition)
- Methicillin-resistant Staphylococcus aureus (see:
Methicillin-resistant Staphylococcus aureus (MRSA))
(Condition)
- Methicillin-resistant Staphylococcus aureus (MRSA)(Condition)
- Methylmalonic acidemia(Condition)
- Metrorrhagia - dysfunctional (see:
Abnormal uterine bleeding)
(Condition)
- Metrorrhagia and other menstrual conditions (see:
Vaginal or uterine bleeding)
(Condition)
- MGN (see:
Membranous nephropathy)
(Condition)
- MH (see:
Malignant hyperthermia)
(Condition)
- MI (see:
Heart attack)
(Condition)
- MI - ACS (see:
Acute coronary syndrome)
(Condition)
- MI-ACS (see:
Acute coronary syndrome)
(Condition)
- Microvascular decompression - trigeminal (see:
Trigeminal neuralgia)
(Condition)
- MID (see:
Vascular dementia)
(Condition)
- Midcycle pain (see:
Mittelschmerz)
(Condition)
- Middle ear infection - acute (see:
Ear infection - acute)
(Condition)
- Middle ear infection - chronic (see:
Ear infection - chronic)
(Condition)
- Midface trauma (see:
Facial trauma)
(Condition)
- Midline granulomatosis (see:
Granulomatosis with polyangiitis)
(Condition)
- Migraine(Condition)
- Migrainous neuralgia (see:
Cluster headache)
(Condition)
- Mild cognitive - metabolic (see:
Dementia due to metabolic causes)
(Condition)
- Mild cognitive impairment (see:
Dementia)
(Condition)
- Mild cognitive impairment - vascular (see:
Vascular dementia)
(Condition)
- Milia(Condition)
- Miliary tuberculosis (see:
Disseminated tuberculosis)
(Condition)
- Milk intolerance (see:
Lactose intolerance)
(Condition)
- Milk secretions (see:
Nipple discharge)
(Condition)
- Milk-alkali syndrome(Condition)
- Mill fever (see:
Byssinosis )
(Condition)
- Mimic spasm (see:
Facial tics)
(Condition)
- Mineralocorticoid excess (see:
Primary and secondary hyperaldosteronism)
(Condition)
- Mini stroke (see:
Transient ischemic attack)
(Condition)
- Minimal change disease(Condition)
- Minimal change nephrotic syndrome (see:
Minimal change disease)
(Condition)
- Misaligned teeth (see:
Malocclusion of teeth)
(Condition)
- Misalignment of the eyes (see:
Strabismus)
(Condition)
- Miscarriage(Condition)
- Miscarriage - threatened(Condition)
- Missed abortion (see:
Miscarriage)
(Condition)
- Mitral stenosis(Condition)
- Mitral valve insufficiency (see:
Mitral valve regurgitation)
(Condition)
- Mitral valve obstruction (see:
Mitral stenosis)
(Condition)
- Mitral valve prolapse(Condition)
- Mitral valve regurgitation(Condition)
- Mittelschmerz(Condition)
- Mixed connective disease (see:
Scleroderma)
(Condition)
- MLD (see:
Metachromatic leukodystrophy)
(Condition)
- MNG (see:
Toxic nodular goiter)
(Condition)
- Mobitz type 1 (see:
Heart block)
(Condition)
- Mobitz type II (see:
Heart block)
(Condition)
- Molar pregnancy (see:
Hydatidiform mole)
(Condition)
- Mole (see:
Birthmarks - pigmented)
(Condition)
- Molluscum contagiosum(Condition)
- Monday fever (see:
Byssinosis )
(Condition)
- Mongolian spots (see:
Dermal melanocytosis)
(Condition)
- Monilial vaginitis (see:
Vaginal yeast infection)
(Condition)
- Monkeypox (see:
Mpox)
(Condition)
- Mono (see:
Mononucleosis)
(Condition)
- Monoclonal macroglobulinemia (see:
Waldenstrom macroglobulinemia)
(Condition)
- Mononeuritis multiplex (see:
Multiple mononeuropathy)
(Condition)
- Mononeuropathy(Condition)
- Mononeuropathy (see:
Ulnar nerve dysfunction)
(Condition)
- Mononeuropathy (see:
Radial nerve dysfunction)
(Condition)
- Mononeuropathy - compression type (see:
Cranial mononeuropathy III)
(Condition)
- Mononeuropathy multiplex (see:
Multiple mononeuropathy)
(Condition)
- Mononucleosis(Condition)
- Monorchism (see:
Undescended testicle)
(Condition)
- Monosomy X (see:
Turner syndrome)
(Condition)
- Mood disorder - bipolar (see:
Bipolar disorder )
(Condition)
- Mood disorder - cyclothymia (see:
Cyclothymic disorder)
(Condition)
- Mood disorder - schizoaffective disorder (see:
Schizoaffective disorder)
(Condition)
- Morbid obesity (see:
Obesity)
(Condition)
- Morning sickness - hyperemesis (see:
Hyperemesis gravidarum)
(Condition)
- Morphea - linear (see:
Scleroderma)
(Condition)
- Morphine abuse - opiate withdrawal (see:
Opiate and opioid withdrawal)
(Condition)
- Morquio syndrome (see:
Mucopolysaccharidosis type IV)
(Condition)
- Morton entrapment (see:
Morton neuroma)
(Condition)
- Morton neuralgia (see:
Morton neuroma)
(Condition)
- Morton neuroma(Condition)
- Morton toe syndrome (see:
Morton neuroma)
(Condition)
- Morton's neuroma (see:
Morton neuroma)
(Condition)
- Mosaic syndrome (see:
Klinefelter syndrome)
(Condition)
- Mosaicism(Condition)
- Motor neuron disease (see:
Amyotrophic lateral sclerosis (ALS))
(Condition)
- Motor stereotypies (see:
Stereotypic movement disorder)
(Condition)
- Mountain fever (see:
Colorado tick fever)
(Condition)
- Mountain sickness (see:
Acute mountain sickness)
(Condition)
- Mountain tick fever (see:
Colorado tick fever)
(Condition)
- Mourning (see:
Grief)
(Condition)
- Mouth cancer (see:
Oral cancer)
(Condition)
- Mouth ulcers(Condition)
- MPGN type I (see:
Membranoproliferative glomerulonephritis)
(Condition)
- MPGN type II (see:
Membranoproliferative glomerulonephritis)
(Condition)
- Mpox(Condition)
- MPS (see:
Mucopolysaccharidoses)
(Condition)
- MPS 1 H/S (see:
Mucopolysaccharidosis type I)
(Condition)
- MPS I H (see:
Mucopolysaccharidosis type I)
(Condition)
- MPS I S (see:
Mucopolysaccharidosis type I)
(Condition)
- MPS I S (see:
Mucopolysaccharidoses)
(Condition)
- MPS II (see:
Mucopolysaccharidosis type II)
(Condition)
- MPS III (see:
Mucopolysaccharidosis type III)
(Condition)
- MPS IIIA (see:
Mucopolysaccharidosis type III)
(Condition)
- MPS IIIB (see:
Mucopolysaccharidosis type III)
(Condition)
- MPS IIIC (see:
Mucopolysaccharidosis type III)
(Condition)
- MPS IIID (see:
Mucopolysaccharidosis type III)
(Condition)
- MPS IV (see:
Mucopolysaccharidosis type IV)
(Condition)
- MPS IVA (see:
Mucopolysaccharidosis type IV)
(Condition)
- MPS IVB (see:
Mucopolysaccharidosis type IV)
(Condition)
- MRSA - abscess (see:
Skin abscess)
(Condition)
- MS (see:
Multiple sclerosis)
(Condition)
- MSA-C (see:
Multiple system atrophy - parkinsonian type)
(Condition)
- MSA-C (see:
Multiple system atrophy - cerebellar subtype)
(Condition)
- MSA-P (see:
Multiple system atrophy - parkinsonian type)
(Condition)
- MSG (monosodium glutamate) syndrome (see:
MSG symptom complex)
(Condition)
- MSG symptom complex(Condition)
- MSUD (see:
Maple syrup urine disease)
(Condition)
- MTC (see:
Thyroid cancer - medullary carcinoma)
(Condition)
- Mucocele (see:
Oral mucous cyst)
(Condition)
- Mucocutaneous lymph node syndrome (see:
Kawasaki disease)
(Condition)
- Mucopolysaccharidoses(Condition)
- Mucopolysaccharidosis type I(Condition)
- Mucopolysaccharidosis type I S (see:
Mucopolysaccharidoses)
(Condition)
- Mucopolysaccharidosis type II(Condition)
- Mucopolysaccharidosis type II, Iduronate sulfatase deficiency (see:
Mucopolysaccharidosis type II)
(Condition)
- Mucopolysaccharidosis type III(Condition)
- Mucopolysaccharidosis type IV(Condition)
- Mucopolysaccharidosis type IVA (see:
Mucopolysaccharidosis type IV)
(Condition)
- Mucopolysaccharidosis type IVB (see:
Mucopolysaccharidosis type IV)
(Condition)
- Mucormycosis(Condition)
- Mucosal lacerations - gastroesophageal junction (see:
Mallory-Weiss tear)
(Condition)
- Mucous colitis (see:
Irritable bowel syndrome)
(Condition)
- Mucous retention cyst (see:
Oral mucous cyst)
(Condition)
- Mud fever (see:
Leptospirosis)
(Condition)
- Multi-infarct dementia (see:
Vascular dementia)
(Condition)
- Multifocal atrial tachycardia(Condition)
- Multifocal neuropathy (see:
Multiple mononeuropathy)
(Condition)
- Multinodular hepatic hemangiomatosis (see:
Hepatic hemangioma)
(Condition)
- Multiple endocrine neoplasia (MEN) I(Condition)
- Multiple endocrine neoplasia (MEN) II(Condition)
- Multiple lentigines syndrome (see:
Noonan syndrome with multiple lentigines)
(Condition)
- Multiple lipoprotein-type hyperlipidemia (see:
Familial combined hyperlipidemia)
(Condition)
- Multiple mononeuropathy(Condition)
- Multiple myeloma(Condition)
- Multiple sclerosis(Condition)
- Multiple sclerosis - optic neuritis (see:
Optic neuritis)
(Condition)
- Multiple system atrophy - cerebellar subtype(Condition)
- Multiple system atrophy - parkinsonian type(Condition)
- Multiple system atrophy – cerebellar predominance (see:
Multiple system atrophy - cerebellar subtype)
(Condition)
- Multiple system atrophy cerebellar predominance (see:
Multiple system atrophy - cerebellar subtype)
(Condition)
- Mumps(Condition)
- Munchausen syndrome by proxy(Condition)
- Murine typhus (see:
Typhus)
(Condition)
- Muscle bruise - compartment syndrome (see:
Compartment syndrome)
(Condition)
- Muscle contraction headache (see:
Tension headache)
(Condition)
- Muscle disorder(Condition)
- Muscle glycogen phosphorylase deficiency (see:
Type V glycogen storage disease)
(Condition)
- Muscle problem (see:
Muscle disorder)
(Condition)
- Muscle spasm (see:
Charley horse )
(Condition)
- Muscular dystrophy(Condition)
- Muscular dystrophy - Duchenne type (see:
Duchenne muscular dystrophy)
(Condition)
- Muscular dystrophy - limb-girdle type (LGMD) (see:
Limb-girdle muscular dystrophies)
(Condition)
- Mushroom picker's disease (see:
Hypersensitivity pneumonitis)
(Condition)
- MVT (see:
Mesenteric venous thrombosis)
(Condition)
- Myalgic encephalomyelitis (ME) (see:
Myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS))
(Condition)
- Myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS)(Condition)
- Myalgic encephalopathy chronic fatigue syndrome (ME-CFS) (see:
Myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS))
(Condition)
- Myasthenia gravis(Condition)
- Myasthenic syndrome (see:
Lambert-Eaton myasthenic syndrome)
(Condition)
- Mycetoma (see:
Pulmonary nocardiosis)
(Condition)
- Mycetoma (see:
Pulmonary aspergilloma)
(Condition)
- Mycobacterium - pulmonary (see:
Pulmonary tuberculosis)
(Condition)
- Mycobacterium marinum infection (see:
Swimming pool granuloma)
(Condition)
- Mycoplasma pneumonia(Condition)
- Mycotic arthritis (see:
Fungal arthritis)
(Condition)
- Myelodysplastic syndrome(Condition)
- Myelofibrosis(Condition)
- Myeloid malignancy (see:
Myelodysplastic syndrome)
(Condition)
- Myeloid metaplasia (see:
Myelofibrosis)
(Condition)
- Myeloma - multiple (see:
Multiple myeloma)
(Condition)
- Myelomeningocele(Condition)
- Myelopathy - syphilitic (see:
Tabes dorsalis)
(Condition)
- Myeloproliferative disorder (see:
Polycythemia vera)
(Condition)
- Myitis (see:
Myositis)
(Condition)
- Myocardial contusion(Condition)
- Myocardial infarction (see:
Heart attack)
(Condition)
- Myocardial infarction - ACS (see:
Acute coronary syndrome)
(Condition)
- Myocardial infarction-ACS (see:
Acute coronary syndrome)
(Condition)
- Myocarditis(Condition)
- Myocarditis - pediatric(Condition)
- Myokymia (see:
Eyelid twitch)
(Condition)
- Myoma (see:
Uterine fibroids)
(Condition)
- Myonecrosis (see:
Gas gangrene)
(Condition)
- Myopathic changes (see:
Muscle disorder)
(Condition)
- Myopathy (see:
Muscle disorder)
(Condition)
- Myophosphorylase deficiency (see:
Type V glycogen storage disease)
(Condition)
- Myopia (see:
Nearsightedness)
(Condition)
- Myositis(Condition)
- Myotomy (see:
Achalasia)
(Condition)
- Myotonia congenita(Condition)
- Myxedema (see:
Hypothyroidism)
(Condition)
- Myxomatous mitral valve (see:
Mitral valve prolapse)
(Condition)