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ABCDEFGHI
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  • Abdominal Pain, Acute
  • Abdominal pain, Chronic
  • Alopecia
  • Amenorrhea
  • Amnesia
  • Anosmia
  • Bleeding, Excessive
  • Breast Lumps
  • Chest Pain
  • Constipation in Adults
  • Constipation in Children
  • Cough in Adults
  • Cough in Children
  • Crying
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  • Diarrhea in Children
  • Diplopia
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  • Dyspepsia
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  • Dyspnea
  • Dysuria
  • Earache
  • Ear Discharge
  • Edema
  • Edema During Late Pregnancy
  • Epistaxis
  • Erectile dysfunction
  • Eyelid Swelling
  • Eye Pain
  • Fever
  • Fever, Acute, in Adults
  • Fever, Chronic (FUO)
  • Fever in Infants and Children
  • Floaters
  • Gas
  • Gastrointestinal Bleeding
  • Halitosis
  • Headache
  • Hearing Loss
  • Hearing Loss: Sudden Deafness
  • Hematospermia
  • Hematuria
  • Hemoptysis
  • Hiccups
  • Hirsutism
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  • Itching
  • Itching, Anal
  • Jaundice in Adults
  • Jaundice in Neonates
  • Joint Pain, Monarticular
  • Joint Pain, Polyarticular
  • Knee pain
  • Lump in Throat
  • Nasal Congestion and Rhinorrhea
  • Nausea and Vomiting During Early pPregnancy
  • Nausea and Vomiting in Adults
  • Nausea and Vomiting in Infants and Children
  • Neck and Back Pain
  • Neck Mass
  • Nipple Discharge
  • Orthostatis Hypotension
  • Pain
  • Pain, Chronic
  • Palpitations
  • Pelvic Pain
  • Pelvic Pain During Early Pregnancy
  • Polyuria
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  • Urinary Incontinence in Adults
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Index
naneninonpnsnuny
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Ni

Niacin (nicotinic acid)

Sources, Functions, and Effects of Vitamins Tables
Niacin

  • deficiency of

  • Symptoms and Signs of Nutritional DeficiencyTables
    Sources, Functions, and Effects of Vitamins Tables
    Potential Vitamin-Drug InteractionsTables
    Niacin: Niacin Deficiency

  • gingivitis in

  • Gingivitis: Symptoms and Signs

  • malabsorption and

  • Symptoms of MalabsorptionTables

  • dietary allowance of

  • Recommended Daily Intakes for VitaminsTables

  • in dyslipidemia

  • Lipid–Lowering DrugsTables
    Dyslipidemia: Low HDL

  • toxicity of

  • Sources, Functions, and Effects of Vitamins Tables
    Niacin: Niacin Toxicity

    Nicardipine

    Oral Calcium Channel Blockers for HypertensionTables

  • in hypertensive emergency

  • Parenteral Drugs for Hypertensive EmergenciesTables
    Hypertensive Emergencies: Treatment

    Nickel

  • cancer and

  • Common Chemical CarcinogensTables

  • poisoning with

  • Guidelines for Chelation TherapyTables
    Symptoms and Treatment of Specific Poisons Tables

    Nickel carbonyl poisoning

    Symptoms and Treatment of Specific Poisons Tables

    Niclosamide

    Diphyllobothriasis: Treatment

    Nicotine

    see also Cigarette smoking

  • acute effects of

  • Tobacco Use: Acute effects

  • dependence on

  • Tobacco Use

  • drug interactions with

  • Tobacco Use: Chronic effects

  • poisoning with

  • Symptoms and Treatment of Specific Poisons Tables
    Tobacco Use: Toxicity or overdose

  • in smoking cessation

  • Smoking Cessation: Drugs
    Drugs for Smoking CessationTables

    Nicotine stomatitis

    Some Disorders of the Oral Region by Predominant Site of InvolvementTables

    Nicotinic acid

    see Niacin

    Niemann-Pick disease

    Lysosomal Storage DisordersTables
    Lysosomal Storage Disorders: Niemann-Pick Disease

    Nifedipine

  • in elderly

  • Effect of Aging on Drug Metabolism* and EliminationTables
    High-Risk Drugs in the Elderly (Based on the Beers Criteria)Tables

  • gingival hyperplasia and

  • Systemic Disorders and the Mouth: Drugs

  • in high-altitude pulmonary edema

  • Altitude Diseases: HAPE and HACE

  • in hypertension

  • Oral Calcium Channel Blockers for HypertensionTables

  • poisoning with

  • Symptoms and Treatment of Specific Poisons Tables

  • in pregnancy

  • Hypertension in Pregnancy: Drugs

    Nifurtimox

    Chagas Disease: Treatment

    Night blindness

    Symptoms of MalabsorptionTables

    Night-eating syndrome

    Obesity and the Metabolic Syndrome: Eating disorders

    Nightmares

    Parasomnias: Nightmares
    Sleep Problems: Nightmares

    Nightshade poisoning

    Moderately Poisonous PlantsTables

    Night terrors

    Parasomnias: Sleep (night) terrors
    Sleep Problems: Night terrors and sleepwalking

    Nikolsky sign

    Description of Skin Lesions: Other Clinical Signs
    Staphylococcal Scalded Skin Syndrome: Symptoms and Signs

    Nikolsky's sign

    Bullous Pemphigoid: Symptoms and Signs
    Pemphigus Vulgaris: Diagnosis
    Stevens-Johnson Syndrome (SJS) and Toxic Epidermal Necrolysis (TEN): Symptoms and Signs

    Nil disease

    Electron microscopic features in immunologic glomerular disorders.Figures
    Minimal Change Disease

    Nilotinib

    Chronic Leukemia: Treatment

    Nipples

  • breastfeeding-related irritation of

  • Nutrition in Infants: Maternal Complications

  • discharge from

  • Nipple Discharge
    Some Causes of Nipple DischargeTables

  • Paget disease of

  • Paget Disease of the Nipple

  • Paget's disease of

  • Breast Cancer: Pathology
    Treatment by Cancer TypeTables

    Nisoldipine

    Oral Calcium Channel Blockers for HypertensionTables

    Nitazoxanide

    Cryptosporidiosis: Treatment
    Giardiasis: Treatment

    Nitrates

  • in coronary artery disease

  • Angina Pectoris: Drugs
    Drugs for Coronary Artery Disease Tables

  • in heart failure

  • Heart Failure: Vasodilators

  • in myocardial infarction

  • Acute Coronary Syndromes (ACS): Nitrates

  • PDE5 inhibitors and

  • Erectile Dysfunction: Drugs

  • poisoning with

  • Symptoms and Treatment of Specific Poisons Tables

    Nitrazepam

  • in elderly

  • High-Risk Drugs in the Elderly (Based on the Beers Criteria)Tables

    Nitric oxide

    Neurotransmission: Other neurotransmitters

  • hypertension and

  • Hypertension: Vasodilator deficiency

  • in pediatric hypoxemia

  • Respiratory Support in Neonates and Infants: Mechanical ventilation

  • in persistent pulmonary hypertension of newborn

  • Persistent Pulmonary Hypertension of the Newborn: Treatment

    Nitrites

  • in food

  • Food Additives and Contaminants: Additives

  • urinary

  • Approach to the Genitourinary Patient: Urinalysis
    Bacterial Urinary Tract Infections: Urine testing

  • volatile

  • Volatile Nitrites

    Nitrite test

  • in pediatric urinary tract infection

  • Urinary Tract Infection in Children (UTI): Urine tests

    Nitrobenzene poisoning

    Symptoms and Treatment of Specific Poisons Tables

    Nitrofurantoin

    Usual Doses of Commonly Prescribed AntibioticsTables
    Nitrofurantoin

  • during breastfeeding

  • Some Drugs Contraindicated for Breastfeeding MothersTables

  • in elderly

  • Effect of Aging on Drug Metabolism* and EliminationTables
    High-Risk Drugs in the Elderly (Based on the Beers Criteria)Tables

  • in pregnancy

  • Some Drugs With Adverse Effects During PregnancyTables

    Nitrogen

  • diving-related toxicity of

  • Gas Toxicity During Diving: Nitrogen narcosis

  • liquid

  • Warts: Filiform warts

    Nitrogen balance

    Nutrition: General Considerations: Proteins
    Nutritional Support: Assessing Response to Nutritional Support

    Nitrogen dioxide

  • inhalation of

  • Factors Predisposing to BronchiectasisTables

  • occupational exposure to

  • Irritant Gas Inhalation Injury

    Nitrogen mustard

    Commonly Used Antineoplastic DrugsTables

    Nitrogen oxides

  • inhalation of

  • Hypersensitivity Pneumonitis: Pathophysiology

  • poisoning with

  • Symptoms and Treatment of Specific Poisons Tables

    Nitroglycerin

    see also Nitrates

  • in coronary artery disease

  • Angina Pectoris: Drugs
    Drugs for Coronary Artery Disease Tables

  • in elderly

  • Effect of Aging on Drug ResponseTables

  • in hypertensive emergency

  • Parenteral Drugs for Hypertensive EmergenciesTables
    Hypertensive Emergencies: Treatment

  • in myocardial infarction

  • Acute Coronary Syndromes (ACS): Drugs
    Acute Coronary Syndromes (ACS): Nitrates

  • poisoning with

  • Symptoms and Treatment of Specific Poisons Tables

    Nitroprusside

  • in aortic dissection

  • Aortic Dissection: Treatment

  • in aortic stenosis

  • Aortic Stenosis: Treatment

  • in hypertensive emergency

  • Parenteral Drugs for Hypertensive EmergenciesTables
    Hypertensive Emergencies: Treatment

  • poisoning with

  • Symptoms and Treatment of Specific Poisons Tables

    Nitrosamines

    Food Additives and Contaminants: Additives

    Nitrosoureas

    Commonly Used Antineoplastic DrugsTables

    Nitrous oxide

  • for labor

  • Management of Normal Delivery: General anesthesia

  • poisoning with

  • Symptoms and Treatment of Specific Poisons Tables

  • vitamin B12 deficiency and

  • Potential Vitamin-Drug InteractionsTables

    Nizatidine

    Some Oral Drugs for DyspepsiaTables
    Drug Treatment of Gastric Acidity: H2 blockers

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