| Newborn conjunctivitis |
| Newborn cranial deformation |
| Newborn head molding |
| Newborn intensive care unit – house staff |
| Newborn jaundice |
| Newborn nutrition |
| Newborn scoring |
| Newborn screening tests |
| Newborn skin characteristics |
| NF1 |
| NF2 |
| NG – infants |
| NH4+ test |
| Niacin |
| Nicotine |
| Nicotine withdrawal |
| Nicotinic acid |
| NICU consultants and support staff |
| NICU house staff |
| Niemann-Pick disease |
| Night blindness |
| Night terror |
| Nightmares |
| Nightmares – repeated |
| Nightshade poisoning |
| Nighttime penile tape test |
| Nikolsky’s sign |
| Nil disease |
| Nipple discharge – abnormal |
| Nipple problems |
| Nipple soreness when breastfeeding |
| Nitric acid |
| Nitroblue tetrazolium test |
| Nitroglycerin overdose |
| Nitroprusside test |
| Nits |
| Nizatidine overdose |
| NKHHC |
| NMH |
| NMR – abdomen |
| NMR – cardiac |
| NMR – chest |
| NMR – cranial |
| NMR – lumbosacral spine |
| NMR – spine |
| No periods |
| Nocardia infection |
| Nocardiosis |
| Nocardiosis – pulmonary |
| Nocturia |
| Nocturnal myoclonus |
| Nocturnal penile tumescence (NPT) stamp test |
| Nodules |
| Noises or buzzing in the ears |
| Nolamine |
| Noma |
| Non-A or non-B hepatitis |
| Non-cardiac chest pain |
| Non-cardiogenic pulmonary edema |
| Non-gonococcal bacterial arthritis |
| Non-Hodgkin’s lymphoma |
| Non-small cell lung cancer |
| Non-stress test |
| Nonimmune thrombocytopenia – drug-induced |
| Noninsulin-dependent diabetes |
| Noninvasive |
| Nonketotic hyperglycemic hyperosmolar coma |
| Nonlipid reticuloendotheliosis |
| Nonorganic failure to thrive |
| Nonpolio enterovirus infection |
| Nonseminomatous germ cell tumor – teratoma |
| Nonspecific back pain |
| Nontropical sprue |
| Nontuberculous atypical mycobacterial disease |
| Noonan syndrome |
| Norepinephrine – blood |
| Norepinephrine-urine test |
| Normal body temperature |
| Normal childhood growth milestones |
| Normal childhood growth milestones – 12 months |
| Normal childhood growth milestones – 18 months |
| Normal childhood growth milestones – 2 months |
| Normal childhood growth milestones – 2 years |
| Normal childhood growth milestones – 3 years |
| Normal childhood growth milestones – 4 months |
| Normal childhood growth milestones – 4 years |
| Normal childhood growth milestones – 5 years |
| Normal childhood growth milestones – 6 months |
| Normal childhood growth milestones – 9 months |
| Normal growth and development |
| Normal pressure hydrocephalus (NPH) |
| Normetanephrine |
| Norpamin |
| Norphenamine |
| Norpramin overdose |
| North American blastomycosis |
| Norwalk virus |
| Nose – bulbous |
| Nose – congested |
| Nose – objects in |
| Nose biopsy |
| Nose fracture |
| Nosebleed |
| Nosebleed treatment |
| Nosocomial pneumonia |
| Nostrils – flaring |
| Not breathing |
| Notifiable diseases |
| Novoxapam overdose |
| Novoxapin overdose |
| NSCLC |
| NST |
| Nuclear magnetic resonance (NMR) imaging |
| Nuclear magnetic resonance – abdomen |
| Nuclear magnetic resonance – cardiac |
| Nuclear magnetic resonance – chest |
| Nuclear magnetic resonance – cranial |
| Nuclear magnetic resonance – lumbosacral spine |
| Nuclear magnetic resonance – spine |
| Nuclear medicine scan |
| Nuclear scan – liver or spleen |
| Nuclear scan – technetium |
| Nuclear scan – thyroid |
| Nuclear ventriculography |
| Numbness and tingling |
| Nummular dermatitis |
| Nummular eczema |
| Nuprin overdose |
| Nurse midwife |
| Nurse practitioner (NP) |
| Nursemaid’s elbow |
| Nurses |
| Nursing |
| Nursing mothers – self-care |
| Nutmeg oil |
| Nutrition – inadequate |
| Nutrition and athletic performance |
| Nutrition and substance abuse |
| Nutrition labeling |
| Nutritional needs — premature infants |
| Nyctalopia |
| Nyctanopia |
| Nystagmus |
| Nytol overdose |
| Nytol overdose |
