Diseases and Conditions that Start with M - Mayo Clinic

Ma

Macular degeneration, dry
See
Dry macular degeneration
Macular degeneration, wet
See
Wet macular degeneration
Mad cow disease
See
Creutzfeldt-Jakob disease
Major depressive disorder
See
Depression (major depressive disorder)
Malaria
Male breast cancer
Male hypogonadism
Male infertility
Malignant fibrous histiocytoma
See
Undifferentiated pleomorphic sarcoma (UPS)
Malignant hyperthermia
Malignant mesothelioma
See
Mesothelioma
Malignant peripheral nerve sheath tumors (MPNSTs)
Mallet toe and hammertoe
See
Hammertoe and mallet toe
MALS
See
Median arcuate ligament syndrome (MALS)
MALT lymphoma
See
Extranodal marginal zone lymphoma of mucosa-associated lymphoid tissue (MALT)
Mammary duct ectasia
Manic-depressive illness
See
Bipolar disorder
Mantle cell lymphoma
Marfan syndrome
Marginal zone lymphoma
MASH
See
Fatty liver disease (MASLD)
MASLD
See
Fatty liver disease (MASLD)
Mastalgia
See
Breast pain
Mastitis

Mc

Md

MD
See
Muscular dystrophy
MDS
See
Myelodysplastic syndromes

Me

ME/CFS
See
Myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS)
Measles
Measles, German
See
Rubella
Medial epicondylitis
See
Golfer's elbow (Medial epicondylitis)
Medial tibial stress syndrome
See
Shin splints
Median arcuate ligament syndrome (MALS)
Medication overuse headaches
Mediterranean anemia
See
Thalassemia
Medulloblastoma
Megacolon
See
Hirschsprung's disease
Megaloblastic anemia
See
Vitamin deficiency anemia
Melanoma
Melanoma of the eye
See
Eye melanoma
MEN 2
See
Multiple endocrine neoplasia, type 2 (MEN 2)
Meniere's disease
Meningioma
Meningitis
Meniscus tear
See
Torn meniscus
Menopause
Menorrhagia
See
Heavy menstrual bleeding
Menstrual cramps
Mental illness
Meralgia paresthetica
Merkel cell carcinoma
Mesenteric ischemia
Mesenteric lymphadenitis
Mesothelioma
Metabolic dysfunction-associated steatohepatitis
See
Fatty liver disease (MASLD)
Metabolic dysfunction-associated steatotic liver disease
See
Fatty liver disease (MASLD)
Metabolic syndrome
Metachromatic leukodystrophy
Metastatic (stage 4) bladder cancer
Metastatic (stage 4) breast cancer
Metastatic (stage 4) esophageal cancer
Metastatic (stage 4) prostate cancer
Metastatic (stage 4) sarcoma
Metastatic (stage 4) stomach cancer
Metastatic breast cancer
See
Metastatic (stage 4) breast cancer
Metastatic castration-resistant prostate cancer (mCRPC)
Metastatic colorectal cancer
See
Stage 4 (metastatic) colon cancer
Metastatic gastric cancer
See
Metastatic (stage 4) stomach cancer
Metastatic pancreatic cancer
Metatarsalgia
Methicillin-resistant staphylococcus aureus infection
See
MRSA infection

Mf

MF
See
Mycosis fungoides
MFS
See
Myxofibrosarcoma

Mg

MG
See
Myasthenia gravis
MGUS
See
Monoclonal gammopathy of undetermined significance (MGUS)

Mi

Microcephaly
Microscopic colitis
Microscopic hematuria
See
Blood in urine (hematuria)
Migraine
Migraine with aura
Mild cognitive impairment (MCI)
Miliaria
See
Heat rash
Milk allergy
Milk intolerance
See
Lactose intolerance
Ministroke
See
Transient ischemic attack (TIA)
Miscarriage
MISME
See
NF2-related schwannomatosis (neurofibromatosis type 2)
Mitral valve disease
Mitral valve prolapse
Mitral valve regurgitation
Mitral valve stenosis
Mittelschmerz
Mixed connective tissue disease

Ml

MLD
See
Metachromatic leukodystrophy

Mo

MOG antibody-associated disorder
See
Myelin oligodendrocyte glycoprotein antibody-associated disease (MOGAD)
MOGAD
See
Myelin oligodendrocyte glycoprotein antibody-associated disease (MOGAD)
Molar pregnancy
Mold allergy
Moles
Molluscum contagiosum
Mono
See
Mononucleosis
Monoclonal gammopathy of undetermined significance (MGUS)
Monomorphic ventricular tachycardia
Monomorphic VT
See
Monomorphic ventricular tachycardia
Mononucleosis
Mood disorders
Morning sickness
Morphea
Morton neuroma
Mosquito bites
Mouth cancer
Movement disorders
Moyamoya disease

Mr

MRSA infection

Ms

MS
See
Multiple sclerosis
MSA
See
Multiple system atrophy

Mu

Mucocutaneous lymph node syndrome
See
Kawasaki disease
Mucosa-assisted lymphoid tissue lymphoma
See
Extranodal marginal zone lymphoma of mucosa-associated lymphoid tissue (MALT)
Multiple endocrine neoplasia type 1
See
Multiple endocrine neoplasia, type 1 (MEN 1)
Multiple endocrine neoplasia, type 1 (MEN 1)
Multiple endocrine neoplasia, type 2 (MEN 2)
Multiple inherited schwannomas, meningiomas, and ependymomas
See
NF2-related schwannomatosis (neurofibromatosis type 2)
Multiple myeloma
Multiple sclerosis
Multiple system atrophy
Multisystem inflammatory syndrome in children (MIS-C)
Mumps
Munchausen syndrome
See
Factitious disorder
Muscle cramp
Muscle strains
Muscular dystrophy

My

Myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS)
Myasthenia gravis
Mycosis fungoides
Myelin oligodendrocyte glycoprotein antibody-associated disease (MOGAD)
Myelodysplastic neoplasms
See
Myelodysplastic syndromes
Myelodysplastic syndromes
Myelofibrosis
Myocardial bridge
Myocardial infarction
See
Heart attack
Myocardial ischemia
Myocarditis
Myoclonus
Myofascial pain syndrome
Myopia
See
Nearsightedness
Myxofibrosarcoma

Mz

MZL
See
Marginal zone lymphoma

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