M Index All illnesses beginning with the letter M are listed below:
Meniere's disease
Meningitis, bacterial
Menopause
Menorrhagia
Migraine headache
Miscarriage
Mitral valve prolapse
Molluscum contagiosum
Mononucleosis
Morning sickness during pregnancy
Multiple myeloma
Multiple sclerosis
Muscular dystrophy
Myofascial pain syndromes