Washington Manual of Medical Therapeutics
- M2 inhibitors, for influenza virus infection
- Macitentan [table]
- Macroadenomas
- Macrocytic anemia
- Maculopapular exanthemas
- Maculopapular rash
- Maddrey's discriminant function (DF)
- Malaria
- Malignant hypertension
- Malignant hyperthermia
- Malignant pleural effusion
- Malnutrition
- Malodorous
- Malta fever
- Manganese [table]
- Mannitol
- Mantle cell lymphoma (MCL)
- Maraviroc
- Masked hypertension
- Mass effects
- Massive hemoptysis
- Massive pulmonary embolism
- Massive transfusion
- Mastocytosis
- Mean airway pressure
- Medium vessel vasculitis
- Megaloblastic anemia
- Meglitinides [table]
- Melanoma
- Melena
- Membranoproliferative glomerulonephritis (MPGN)
- Membranous nephropathy
- Mendelian susceptibility to mycobacterial diseases (MSMD)
- Meningitis
- Mental status, altered [table]
- Meropenem-vaborbactam
- Mesalamine, inflammatory bowel disease [table]
- Metabolic bone disease
- Metabolic liver diseases
- Metastatic soft tissue sarcoma
- Metformin, heart failure (HF)
- Methamphetamines
- Methyclothiazide [table]
- Methyldopa [table]
- Methylene blue
- Methylprednisolone
- Metoclopramide
- Metoprolol XL [table]
- Mexiletine [table]
- Micafungin
- Micafungin sodium
- Microadenomas
- Microangiopathic hemolytic anemia (MAHA)
- Microscopic polyangiitis (MPA)
- Microsporidia
- Microvascular complications, diabetes mellitus
- Midazolam [table]
- Miglitol [table]
- Mild (or subclinical) hyperthyroidism
- Milk-alkali syndrome
- Miller Fisher syndrome (MFS)
- Mimick hemosiderosis
- Mineral bone disorders
- Mineralocorticoid excess
- Mineralocorticoid receptor antagonists (MRAs)
- Minerals
- Minimal change disease
- Minocycline
- Minoxidil [table]
- Minute ventilation
- Mitral stenosis (MS)
- Mitral valve prolapse (MVP)
- Mixed respiratory failure
- Modafinil
- Model for End-Stage Liver Disease (MELD)
- Moexipril [table]
- Moldy perspiration
- Monoamine oxidase inhibitors
- Monobactams
- Monoclonal antibodies, solid organ transplantation
- Monoclonal gammopathies
- Monoclonal gammopathy of unknown significance (MGUS)
- Monoclonal immunoglobulin deposition disease
- Montelukast
- Morphine
- Mosapride citrate, intestinal pseudo-obstruction (Ileus)
- Mosquito-borne infections
- Motor responses, coma
- Motor vehicle accidents (MVA)
- Mucocutaneous candidiasis
- Mucorales
- Mucormycosis
- Multidose AC (MDAC)
- Multidose charcoal
- Multidrug anti-TB treatment regimens
- Multidrug-resistant tuberculosis
- Multifocal atrial tachycardia (MAT)
- Multiple myeloma (MM)
- Multiple sclerosis (MS)
- Muscle weakness, idiopathic inflammatory myopathy
- MuSK antibodies
- Myasthenia gravis (MG)
- Myasthenic crisis
- Mycobacterium avium complex (MAC) infection
- Mycobacterium leprae
- Mycophenolic acid (MPA)
- Mycoses
- Myeloproliferative neoplasms
- Myeloproliferative variants
- Myelotoxicity
- Myocardial ischemia
- Myocardial perfusion imaging (MPI)
- Myocarditis
- Myopathies
- Myosin loss myopathy
- Myositis-associated antibodies (MAAs)