M

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Macroglobulinaemia	Mononucleosis syndromes
Malabsorption	Mouth ulcers
Malaria	Mucormycosis
Malignancy	Multiple chemical hypersensitivity
Malignant hyperthermia	Multiple endocrine neoplasia
Malnutrition	Multiple myeloma
Mastitis	Multiple sclerosis
Mastocytosis	Mumps
ME	Muscle weakness
Measles	Muscular dystrophy
Mediastinal mass	Musculoskeletal pain
Megaloblastic anaemia	Myalgic encephalomyelitis
Melaena	Myasthenia
Melanoma	Mycobacterial infection
Melioidosis	Mycoplasma infection
MEN	Myelodysplasia
Meningitis	Myelofibrosis
Menopause	Myeloma
Menorrhagia	Myeloproliferative disorders
Mesothelioma	Myocardial infarction
MGUS	Myocardial ischaemia
Microangiopathic haemolysis	Myocarditis
Mitochondrial disorders	Myoglobinuria
Mixed connective tissue disease	Myopathy
Moniliasis	Myotonia
Monoclonal gammopathy of uncertain significance (MGUS)	Myxoedema
Monocytosis