Johns Hopkins ABX Guide
- M. genavense
- M. haemophilum
- M. malmoense
- M. mucogenicum
- M. simiae
- M. szulgai
- Macacine herpesvirus 1
- Machupo haemorrhagic fever
- Macrobid
- Macrodantin
- Mad cow disease
- Madura foot
- Maduromycosis
- Mafenide
- Malabsorption
- Malaria
- Malaria prophylaxis
- Malassezia
- Malassezia furfur
- Malathion
- Malignant neoplasm of nasopharyngeal wall
- Malignant otitis externa
- Malta fever
- Mandelamine
- Mandibular actinomycosis
- Mandol
- Mansonella ozzardi
- Mansonella perstans
- Mansonella streptocerca
- Mantoux test
- Maraviroc
- Marburg haemorrhagic fever
- Marburg hemorrhagic fever
- Marburg virus
- Maribavir
- Mastitis
- Mastoiditis
- Maternal syphilis during pregnancy, childbirth and the puerperium
- Mavyret
- Maxaquin
- Maxipime
- MC - Molluscum contagiosum
- Measles/mumps/rubella vaccine
- Measles vaccines
- Mebendazole
- Mecillinam
- Mediastinitis
- Medicinal leech
- Mediterranean leishmaniasis
- Mefoxin
- Melarson Oxide-BAL
- Melarsoprol
- Mel B
- Melioidosis
- Menactra
- Mendelson's syndrome
- MenHibrix
- Meningitis, aseptic
- Meningitis, Listeria
- Meningitis, TB
- Meningitis, tuberculous
- Meningitis, viral
- Meningitis due to coxsackie virus
- Meningitis due to Cryptococcus
- Meningitis due to enterovirus
- Meningitis due to klebsiella pneumoniae
- Meningitis due to secondary syphilis
- Meningitis due to typhoid fever
- Meningitis vaccine
- Meningococcal cerebrospinal fever
- Meningococcal meningitis
- Meningococcal polysaccharide vaccine
- Meningococcal vaccines
- Meningococcemia
- Meningococcus vaccine
- Meningovascular syphilis
- Menomune
- Mepron
- Merkel cell polyoma virus
- Meropenem
- Meropenem/vaborbactam
- Merrem
- MERS-CoV
- Meruvax II
- Metapneumovirus
- Methenamine hippurate
- Methenamine mandelate
- Methicillin
- Methicillin resistant staphylococcus aureus
- Metrocream
- MetroGel
- Mezlin
- Mezlocillin
- Micafungin
- Miconazole
- Microaerophilic streptococcus
- Microsporum
- Middle East Respiratory Syndrome Coronavirus (MERS-CoV)
- Migratory trichinosis
- Miltefosine
- Minocin
- Minocycline
- Mintezol
- Mirrizi syndrome
- Mirtazapine
- Mite-borne haemorrhagic fever
- Mite-borne typhus due to Rickettsia tsutsugamushi
- Moderna
- Moderna COVID-19 vaccine
- Mollaret's meningitis
- Mollaret meningitis
- Molluscum bodies
- Molluscum contagiosum
- Molnupiravir
- Monilia
- Monistat
- Monkey bite - wound
- Monkeypox
- Monkeypox vaccine
- Monobactam
- Monodox
- Monospot test
- Monurol
- Moraxella (Branhamella) catarrhalis
- Morbillivirus
- Morexella catarrhalis
- Morganella
- Morganella morganii
- Mosquito-borne alphavirus hemorrhagic fever
- Mosquito-borne arboviral fever
- Mosquito-borne bunyavirus fever
- Mosquito-borne bwamba group virus fever
- Mosquito-borne flavivirus hemorrhagic fever
- Mosquito-borne orthobunyavirus fever
- Mosquito-borne rhabdovirus fever
- Motezuma's revenge
- Moxatag
- Moxidectin
- Moxifloxacin
- Mpox
- MRSA
- MSSA
- Mucocutaneous leishmaniasis
- Mucopurulent conjunctivitis
- Mucor
- Mucor species
- Multiple drug-resistant Streptococcus pneumoniae
- Mumps
- Mumps immunization
- Mumps meningitis
- Mumps orchitis
- Mumps pancreatitis
- Mumps parotitis
- Mumps vaccination
- Mumps vaccine
- Mumpsvax
- Mumps virus
- Mumps virus antibody
- Mupirocin
- Murray River encephalitis
- MVC
- MVC - maraviroc
- Myambutol
- Mycamine
- Mycelex
- Mycobacterium abscessus
- Mycobacterium boenickei
- Mycobacterium bovis
- Mycobacterium celatum
- Mycobacterium chelonae
- Mycobacterium chimaera
- Mycobacterium fortuitum
- Mycobacterium genavense
- Mycobacterium gordonae
- Mycobacterium haemophilum
- Mycobacterium houstonese
- Mycobacterium kansasii
- Mycobacterium leprae
- Mycobacterium mageritense
- Mycobacterium malmoense
- Mycobacterium marinum
- Mycobacterium mucogenicum
- Mycobacterium parascrofulaceum
- Mycobacterium peregrinum
- Mycobacterium scrofulaceum
- Mycobacterium senegalense
- Mycobacterium setense sp. nov.
- Mycobacterium tuberculosis
- Mycobacterium ulcerans
- Mycobacterium xenopi
- Mycobutin
- Mycoplasma hominis
- Mycoplasmal pelvic inflammatory disease
- Mycoplasma pneumonia
- Mycoplasma pneumoniae
- Mycoplasma pneumoniae antibody assay
- Mycostatin
- Mycotic aneurysm
- Mycotic endocarditis
- Mycotic maduromycosis
- Myelitis
- Myositis