Johns Hopkins ABX Guide
- H. pylori-related Peptic Ulcer Disease
- H1N1 influenza
- H1N5 influenza
- H3N2 influenza
- H5N1 avian influenza
- HACEK
- HACEK group
- Haemolytically variant streptococcus
- Haemolytic anaemia due to babesiosis
- Haemophilus influenzae (Hib) vaccine
- Haemophilus influenzae epiglottitis
- Haemophilus influenzae laryngitis
- Haemophilus influenzae pneumonia
- Haemorrhagic dysentery
- Haemorrhagic fever due to Junin virus
- Haemorrhagic fever due to Machupo virus
- Haemorrhagic proctitis
- Hand, foot & mouth disease or vesicular stomatitis with xanthem
- Hand wart
- Hansen's disease
- Hantavirus
- Hantavirus pulmonary syndrome
- Hantavirus serogroup Hantaan
- HAP
- Hardware associated septic arthritis
- Harvoni
- HAV
- Havrix
- HAV vaccine
- HBV vaccine
- HCV
- HDV
- Head lice
- Healthcare associated bacterial pneumonia
- Healthcare associated parainfluenza virus disease
- Healthcare associated pulmonary aspergillosis
- Healthcare-associated Ventriculitis and Meningitis
- Heartland virus
- Helicobacter cholecystus
- Helicobacter cinaedi
- Helicobacter felis
- Helicobacter fennelliae
- Helicobacter pullorum
- Helicobacter pylori
- Helicobacter pylori antibody
- Helicobacter pylori antigen test
- Helicobacter pylori breath test
- Helicobacter pylori culture
- Helicobacter pylori microscopy - negative (finding)
- Helminth
- Hemophilus b polysaccharide conjugate (diphtheria toxoid conjugate) vaccine
- Hemophilus cellulitis
- Hemophilus influenzae Type b vaccine
- Hemorrhagic fever viruses
- Hemorrhagic fever with renal syndrome
- Hemorrhagic pancreatitis
- HepaGam B
- Hepatic Abscess
- Hepatic actinomycosis
- Hepatic encephalopathy
- Hepatic schistosomiasis
- Hepatitis, Non-A, B, C, D, or E
- Hepatitis A
- Hepatitis A immunisation
- Hepatitis A immunization
- Hepatitis A vaccination
- Hepatitis A vaccine (HAV)
- Hepatitis B
- Hepatitis B (HBV) vaccines
- Hepatitis B immune globulin (human)
- Hepatitis B immunization
- Hepatitis B immunoglobulin
- Hepatitis B vaccine
- Hepatitis C
- Hepatitis C PCR
- Hepatitis C recombinant immunoblot assay
- Hepatitis C virus
- Hepatitis D
- Hepatitis D antibody
- Hepatitis D nucleic acid detection
- Hepatitis D virus
- Hepatitis E
- Hepatitis G
- Hepatitis in coxsackie viral disease
- Hepatitis in late syphilis
- Hepatitis in secondary syphilis
- Hepatosplenic schistosomiasis
- Hep B - Hepatitis B vaccine
- Hep B-Hyperimmune globulin
- Hepsera
- Herpangina
- Herpes proctitis
- Herpes simplex
- Herpes simplex labialis
- Herpes Simplex Virus
- Herpesvirus simiae
- Herpes zoster keratitis
- Herpes zoster keratoconjunctivitis
- Herpes zoster meningitis
- Herpetic cervicitis
- Herplex Liquifilm
- Hetrazan
- HEV - Hepatitis E virus
- HFRS - Hemorrhagic fever with renal syndrome
- HHV6 - Human herpes virus 6
- HHV7 - Human herpes virus 7
- HHV8 - Human herpes virus 8
- Hiberix
- Hib vaccine
- Hidradenitis
- Hidradenitis Suppurativa
- Hiprex
- Histiocytic necrotizing lymphadenitis
- Histoplasma
- Histoplasma antibody assay
- Histoplasma capsulatum
- Histoplasma duboisii
- Histoplasmosis
- HIV, occupational exposure
- HIV encephalitis
- HIV infection with aseptic meningitis
- HIV myelitis
- HLH
- HME
- hMPV
- Hominis, Blastocystis
- Hookworm
- Hordeolum
- Horder's spots
- Hospital-acquired and ventilator-associated pneumonia
- Hospital-acquired pneumonia
- Hot tub dermatitis
- HPIV - human parainfluenza virus
- HPV
- HPV - Anogenital human papilloma virus infection
- HPV vaccine
- HRTV
- HSV
- HTLV I/II
- Human adenovirus
- Human coxsackie virus A
- Human ehrlichiosis due to Ehrlichia chaffeensis
- Human granulocytic ehrlichiosis
- Human herpes virus 1
- Human herpes virus 2
- Human herpesvirus 8
- Human immune globulin serum
- Human monocytic ehrlichiosis
- Human papillomavirus
- Human papillomavirus, type 16
- Human papillomavirus, type 18
- Human papillomavirus (HPV)
- Human papilloma virus (HPV) vaccine
- Human papilloma virus-associated intraepithelial neoplasia
- Human papillomavirus type 6
- Human parainfluenza 4 virus
- Human parainfluenza virus 1
- Human parainfluenza virus 2
- Human parainfluenza virus 3
- Human parainfluenza virus 4a
- Human parainfluenza virus 4b
- Human polyomavirus BK
- Human rabies vaccine
- Human rhinovirus
- Human rotavirus
- Human T-cell leukaemia virus type 1
- Human T-cell leukaemia virus type 2
- Human typhoid or paratyphoid fever
- Humatin
- Hydatid cyst
- Hydatid disease
- Hydrocephalus
- Hydrocortisone + neomycin sulphate + polymyxin b sulphate
- Hydroxychloroquine
- HyperHep B
- HyperRho-D
- HyperTet
- HZ - Herpes zoster