Ni
Niacin (nicotinic acid)
Vitamins Niacin
deficiency of
Symptoms of Nutrient Deficiencies Niacin: Niacin Deficiency
gingivitis with
Gingivitis: Gingivitis Due to Vitamin Deficiency
red tongue with
Tongue Disorders: Discoloration
excess of
Niacin: Niacin Excess
in hyperlipoproteinemia
Lipid-Lowering Drugs
Niacinamide deficiency
Hartnup Disease
Nickel, dermatitis from
Dermatitis: Contact Dermatitis Common Causes of Allergic Contact Dermatitis
Nicotinamide
see Niacin (nicotinic acid)
Nicotine
see Smoking
NICU (neonatal intensive care unit)
What Is a Neonatal Intensive Care Unit?
Niemann-Pick disease
Disorders of Lipid Metabolism: Niemann-Pick Disease
Nifedipine, gingivitis and
Gingivitis: Drug-Induced Gingivitis
Night blindness
Vitamin A: Symptoms Other Eye Symptoms: Night Blindness
Night-eating syndrome
Obesity and the Metabolic Syndrome: Eating disorders
Nightmares
Parasomnias: Nightmares Sleep Problems in Children: Nightmares
Night terrors
Parasomnias: Night terrors Sleep Problems in Children: Night Terrors and Sleepwalking
Nilutamide
Prostate Cancer: Hormonal Therapy
Nipple
in breastfeeding
Postdelivery Period: Breastfeeding
discharge from
Breast Disorders: Nipple Discharge What Causes Nipple Discharge? Nipple Discharge Nipple Discharge: What the doctor does
Paget's disease of
Paget's Disease of the Nipple Breast Cancer: Types Breast Cancer: Treatment of Specific Types of Breast Cancer
Nitazoxanide
Giardiasis: Prevention and Treatment
Nitrates
in coronary artery disease
Angina: Drug Therapy Drugs Used to Treat Coronary Artery Disease
Nitrazepam, in elderly persons
Some Drugs Particularly Likely to Cause Problems in Older People
Nitric oxide
Persistent Pulmonary Hypertension: Treatment
Nitrite
in food
Food Additives and Contaminants: Additives
Nitrites
in urine
Diagnosis of Kidney and Urinary Tract Disorders: Urinalysis
Nitrofurantoin
Antibiotics
hepatitis with
Chronic Hepatitis: Causes
during pregnancy
Some Drugs That Can Cause Problems During Pregnancy*
Nitrogen dioxide, inhalation of
Gas and Chemical Exposure
Nitrogen, in decompression sickness
Decompression Sickness
Nitrogen narcosis
Gas Toxicity During Diving: Nitrogen Narcosis
Nitroglycerin
Angina: Drug Therapy Drugs Used to Treat Coronary Artery Disease Acute Coronary Syndromes (Heart Attack; Myocardial Infarction; Unstable Angina): Drug treatment
phosphodiesterase inhibitors and
Sexual Activity and Heart Disease Erectile Dysfunction (ED): Drugs
Nitrous oxide
Abused Inhalants With Medical Uses
Nits
Lice Infestation: Symptoms and Diagnosis
Nizatidine
in elderly persons
in peptic ulcer
Peptic Ulcer: Acid-reducing Drugs Drugs Used to Treat Peptic Disorders
