Search
SectionsIndexSymptoms
  • Cardiovascular Disorders
  • Clinical Pharmacology
  • Critical Care Medicine
  • Dental Disorders
  • Dermatologic Disorders
  • Ear, Nose, and Throat Disorders
  • Endocrine and Metabolic Disorders
  • Eye Disorders
  • Gastrointestinal Disorders
  • Genitourinary Disorders
  • Geriatrics
  • Gynecology and Obstetrics
  • Hematology and Oncology
  • Hepatic and Biliary Disorders
  • Immunology; Allergic Disorders
  • Infectious Diseases
  • Injuries; Poisoning
  • Musculoskeletal and Connective Tissue Disorders
  • Neurologic Disorders
  • Nutritional Disorders
  • Pediatrics
  • Psychiatric Disorders
  • Pulmonary Disorders
  • Special Subjects
ABCDEFGHI
JKLMNOPQR
STUVWXYZ
  • 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
  • Diarrhea in Adults
  • Diarrhea in Children
  • Diplopia
  • Dizziness
  • Dry Mouth
  • Dysmenorrhea
  • Dyspepsia
  • Dysphagia
  • 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
  • Insomnia and Excessive Daytime Sleepiness
  • 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
  • Priapism
  • Red Eye
  • Scrotal Pain
  • Sore Throat
  • Stomatitis
  • Stridor
  • Syncope
  • Tearing
  • Tinnitus
  • Toothache
  • Tremor
  • Urinary Frequency
  • Urinary Incontinence in Adults
  • Urinary Incontinence in Children
  • Urinary Retention
  • Urticaria
  • Vaginal Bleeding
  • Vaginal Bleeding During Early Pregnancy
  • Vaginal Bleeding During Late Pregnancy
  • Vaginal Itching and Discharge
  • Vision, Blurred
  • Vision Loss, Acute
  • Weakness, Generalized
  • Wheezing
Resources
  • About The Merck Manual
  • Ready Reference Guides
  • Trade Names of Some Commonly Used Drugs
  • Normal Laboratory Values
  • Clinical Calculators
  • Multimedia
  • Selected Links
Index
cacecfchciclcmcncocpcrcsctcucxcy
Type in the first few letters of a word to get there faster:
Go

Cy

Cyanide

  • toxicity of

  • Symptoms and Treatment of Specific Poisons Tables

  • nitroprusside use and

  • Hypertensive Emergencies: Treatment

    Cyanide toxicity

    Common Specific AntidotesTables

    Cyanocobalamin

    see Vitamin B12

    Cyanopsia

    Other Eye Symptoms: Blue hues

    Cyanosis

    Approach to the Pulmonary Patient: Inspection

  • acral

  • Types of Drug Reactions and Typical Causative AgentsTables

  • breath-holding spells and

  • Breath-Holding Spells

  • congenital heart disease and

  • Classification of Congenital Heart Anomalies*Tables
    Congenital Cardiovascular Anomalies: Cyanotic heart anomalies
    Congenital Cardiovascular Anomalies: Cyanosis
    Tetralogy of Fallot: Pathophysiology
    Tetralogy of Fallot: Symptoms and Signs
    Transposition of the Great Arteries: Symptoms and Signs

  • drug-induced

  • Drugs Manifesting Unusual Toxicity in ChildrenTables

  • of hands and feet

  • Peripheral Arterial Disorders

  • heart failure and

  • Heart Failure: Examination

  • neonatal

  • Approach to the Care of Normal Infants and Children: The First Few Hours

  • of toe

  • Foot Manifestations of Systemic DisordersTables

    Cyber-bullying

    Violence in Children and Adolescents: Bullying

    Cyclandelate

  • in elderly

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

    Cyclic vomiting syndrome

    Nausea and Vomiting: Etiology

    Cyclizine

  • in motion sickness

  • Motion Sickness: Antihistamines

    Cyclobenzaprine

  • in elderly

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

  • in myofascial pain syndrome

  • Myofascial Pain Syndrome: Treatment

    Cyclooxygenase

    Rheumatoid Arthritis (RA): NSAIDs

    Cyclophosphamide

  • in cancer therapy

  • Commonly Used Antineoplastic DrugsTables

  • during breastfeeding

  • Some Drugs Contraindicated for Breastfeeding MothersTables

  • in Goodpasture syndrome

  • Goodpasture Syndrome : Treatment

  • in lupus nephritis

  • Lupus Nephritis: Immunosuppression

  • in minimal change disease

  • Minimal Change Disease: Treatment

  • in pregnancy

  • Some Drugs With Adverse Effects During PregnancyTables

  • in rapidly progressive glomerulonephritis

  • Rapidly Progressive Glomerulonephritis (RPGN): Treatment

  • in SLE

  • Systemic Lupus Erythematosus (SLE): Severe disease
    Protocol for Chemotherapy With Cyclophosphamide and IV MesnaTables

  • in Takayasu arteritis

  • Takayasu Arteritis: Drugs

  • in vasculitic disorders

  • Vasculitis: Induction of remission

    Cycloserine

  • in tuberculosis

  • Tuberculosis (TB): Second-line drugs

  • vitamin B6 deficiency and

  • Potential Vitamin-Drug InteractionsTables

    Cyclospora cayetanensis infection

    Gastroenteritis: Parasites

    Cyclosporiasis

    Collecting and Handling Specimens for Microscopic Diagnosis of Parasitic InfectionsTables
    Collecting and Handling Specimens for Microscopic Diagnosis of Parasitic InfectionsTables
    Serologic and Molecular Tests for Parasitic InfectionsTables
    Cystoisosporiasis and Cyclosporiasis

    Cyclosporine

  • in aplastic anemia

  • Aplastic Anemia: Treatment

  • in asthma

  • Asthma and Related Disorders: Drug therapy

  • in atopic dermatitis

  • Atopic Dermatitis: Other therapies

  • in Behçet syndrome

  • Behçet Syndrome: Treatment

  • in diabetes mellitus

  • Diabetes Mellitus and Disorders of Carbohydrate Metabolism: Type 1

  • drug interactions of

  • Some Drugs With Potentially Serious Drug-Drug Interactions*Tables

  • during breastfeeding

  • Some Drugs Contraindicated for Breastfeeding MothersTables

  • in focal segmental glomerulosclerosis

  • Focal Segmental Glomerulosclerosis: Immunosuppressive therapy

  • in inflammatory bowel disease

  • Inflammatory Bowel Disease (IBD): Immunomodulating drugs
    Ulcerative Colitis: Severe disease

  • in lichen planus

  • Lichen Planus: Systemic treatments and phototherapy

  • in membranous nephropathy

  • Membranous Nephropathy: Immunosuppressive therapy

  • in minimal change disease

  • Minimal Change Disease: Treatment

  • in myasthenia gravis

  • Myasthenia Gravis: Immunomodulating treatment

  • nephrotoxicity of

  • Transplantation: Calcineurin inhibitors (CNIs)

  • in psoriasis

  • Psoriasis: Systemic treatments

  • in rheumatoid arthritis

  • Other Drugs Used to Treat Rheumatoid ArthritisTables
    Rheumatoid Arthritis (RA): Immunomodulatory, cytotoxic, and immunosuppressive drugs

  • St. John's wort interaction with

  • Some Possible Dietary Supplement–Drug Interactions*Tables

  • in transplantation

  • Transplantation: Calcineurin inhibitors (CNIs)
    Transplantation: Future therapiesTables

    Cyclothymic disorder

    Cyclothymic Disorder

    Cyfluthrin poisoning

    Symptoms and Treatment of Specific Poisons Tables

    Cylindroma (papillary cystadenoma lymphomatosum)

    Salivary Gland Tumors: Benign tumors

    Cylindruria

    Hypertension: Testing

    Cypermethrin poisoning

    Symptoms and Treatment of Specific Poisons Tables

    Cyproheptadine

    Some Therapeutic Approaches to ItchingTables
    Oral H1 BlockersTables

  • in elderly

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

  • neuroleptic malignant syndrome and

  • Serotonin Syndrome: Treatment

  • in polycythemia vera

  • Polycythemia Vera: Treatment of complications

    Cyproterone acetate

    Acne and Related Disorders: Other forms of acne

    Cyst(s)

  • acne

  • Acne and Related Disorders: Pathophysiology
    Acne and Related Disorders: Severe acne

  • adnexal

  • Symptoms of Gynecologic Disorders: Etiology
    Symptoms of Gynecologic Disorders: Testing

  • adrenal

  • Nonfunctional Adrenal Masses

  • Baker

  • Rheumatoid Arthritis (RA): Symptoms and Signs

  • Bartholin's gland

  • Bartholin's Gland Cysts

  • bone

  • Other Bone Lesions: Unicameral bone cyst

  • aneurysmal

  • Other Bone Lesions: Aneurysmal bone cyst

  • breast

  • Breast Lumps: Testing

  • choledochal

  • Duodenal Obstruction: Choledochal cyst or annular pancreas

  • corpus luteum

  • Benign Ovarian Masses: Functional cysts
    Some Causes of Pelvic Pain During Early PregnancyTables

  • dermoid

  • Some Disorders of the Oral Region by Predominant Site of InvolvementTables
    Benign Ovarian Masses: Benign tumors

  • epidermal

  • Cutaneous Abscess: Diagnosis
    Epidermal Cysts

  • follicular

  • Benign Ovarian Masses: Functional cysts

  • ganglion

  • Ganglia

  • hepatic

  • Liver Masses and Granulomas
    Autosomal Dominant Polycystic Kidney Disease (ADPKD): Pathophysiology

  • hydatid

  • Selected Diseases or Organisms Associated With Liver InflammationTables
    Liver Masses and Granulomas
    Echinococcosis
    Helminthic Brain Infections: Other infections

  • inclusion

  • Epidermal Cysts

  • keratinous

  • Epidermal Cysts

  • leptomeningeal

  • Traumatic Brain Injury (TBI): Skull fractures

  • lymphoepithelial

  • Some Disorders of the Oral Region by Predominant Site of InvolvementTables

  • mouth

  • Oral Growths: Benign growths

  • mucous retention

  • Some Disorders of the Oral Region by Predominant Site of InvolvementTables

  • Ovarian

  • Some Gynecologic Causes of Pelvic PainTables
    Some Clues to Diagnosis of Pelvic PainTables
    Polycystic Ovary Syndrome (PCOS)

  • functional

  • Symptoms of Gynecologic Disorders: Etiology
    Benign Ovarian Masses

  • pregnancy and

  • Disorders Requiring Surgery During Pregnancy: Benign ovarian cysts

  • pericardial

  • Cardiac Tumors: Benign primary tumors

  • pilar

  • Epidermal Cysts

  • popliteal

  • Rheumatoid Arthritis (RA): Symptoms and Signs

  • renal

  • Cystic Kidney Disease
    Major Groups of Cystic NephropathiesTables

  • sebaceous

  • Otic Tumors: Benign otic tumors
    Epidermal Cysts

  • Skene's duct

  • Skene's Duct Cyst

  • thyroglossal duct

  • Some Disorders of the Oral Region by Predominant Site of InvolvementTables

  • Tornwaldt

  • Tornwaldt Cyst

  • vulvar

  • Vulvar Inclusion and Epidermal Cysts

    Cystadenocarcinoma

  • hepatic

  • Primary Liver Cancer: Cystadenocarcinoma

  • pancreatic

  • Pancreatic Cancer: Cystadenocarcinoma

    Cystadenoma

  • ovarian

  • Benign Ovarian Masses: Benign tumors

    Cystathionine β-synthase deficiency

    Hyperhomocysteinemia

    Cystathionine β-synthase deficiency

    Disorders of Amino Acid and Organic Acid MetabolismTables
    Amino Acid and Organic Acid Metabolism Disorders: Classic homocystinuria

    Cystathioninuria

    Disorders of Amino Acid and Organic Acid MetabolismTables
    Amino Acid and Organic Acid Metabolism Disorders: Cystathioninuria

    Cystatin C

    Approach to the Genitourinary Patient: Blood tests

    Cystectomy

    Genitourinary Cancer: Invasive cancers

    Cysteine

    Erythropoietic Protoporphyria: Treatment

    Cystic duct

    Gallbladder and Bile Duct Disorders

  • gallstone obstruction of

  • Cholecystitis: Acute Cholecystitis

    Cysticercosis

    Serologic and Molecular Tests for Parasitic InfectionsTables
    Taeniasis Solium and Cysticercosis
    Taenia solium life cycle. Figures

  • CNS

  • Helminthic Brain Infections: Neurocysticercosis

    Cystic fibrosis

    Causes of Metabolic AlkalosisTables
    Some Causes of Cough in ChildrenTables
    Cystic Fibrosis (CF)

  • air travel and

  • Air Travel: Decreased O2 tension

  • aspergillosis in

  • Allergic Bronchopulmonary Aspergillosis (ABPA)

  • bronchiectasis in

  • Bronchiectasis: Etiology
    Factors Predisposing to BronchiectasisTables

  • end-of-life care in

  • Cystic Fibrosis (CF): End-of-life care

  • infertility and

  • Sperm Disorders: Impaired sperm emission

  • meconium ileus in

  • Cystic Fibrosis (CF): GI

  • prenatal testing for

  • Genetic Screening for Some Ethnic GroupsTables

  • protussives in

  • Symptoms of Pulmonary Disorders: Treatment

  • Pseudomonas aeruginosa infection in

  • Factors Facilitating Microbial Invasion: Biofilm
    Pseudomonas and Related Infections: Respiratory tract infections

  • vitamin E deficiency and

  • Vitamin E: Etiology

    Cystic hygroma

    Vascular Lesions of the Skin: Lymphatic Malformations

    Cystic medial necrosis

    Diseases of the Aorta and Its Branches: Etiology

    Cystine

    Nutrition: General Considerations: ProteinsTables

  • urinary

  • Types of Urinary CrystalsTables
    Urinary Calculi: Prevention
    Cystinuria

    Cystinosis

    Fanconi Syndrome: Hereditary Fanconi syndrome
    Disorders of Amino Acid and Organic Acid MetabolismTables
    Lysosomal Storage DisordersTables

    Cystinuria

    Cystinuria
    Disorders of Amino Acid and Organic Acid MetabolismTables

    Cystitis

    see also Urinary tract, infection of
    Usual Doses of Commonly Prescribed AntibioticsTables
    Bacterial Urinary Tract Infections: Cystitis
    Bacterial Urinary Tract Infections: Cystitis

  • candida

  • Fungal Urinary Tract Infections

  • in children

  • Urinary Tract Infection in Children (UTI): Symptoms and Signs

  • dysuria and

  • Some Causes of DysuriaTables

  • interstitial

  • Interstitial Cystitis

    Cystocele

    Urinary Incontinence in Adults: Physical examination
    Urinary Incontinence in Adults: Overflow incontinence
    Pelvic relaxation syndromesFigures
    Cystoceles, Urethroceles, Enteroceles, and Rectoceles

  • examination for

  • Approach to the Gynecologic Patient: Physical Examination

    Cystography

    Neurogenic Bladder: Diagnosis

  • in children

  • Urinary Tract Infection in Children (UTI): Urinary tract imaging

    Cystoisosporiasis

    Collecting and Handling Specimens for Microscopic Diagnosis of Parasitic InfectionsTables
    Cystoisosporiasis and Cyclosporiasis

    Cystometrography

    Urinary Incontinence in Adults: Testing
    Neurogenic Bladder: Diagnosis

    Cystometry

    Urinary Incontinence in Adults: Testing

    Cystoplasty

    Urinary Incontinence in Adults: Urge incontinence

    Cystosarcoma phyllodes

    Phyllodes Tumor

    Cystoscopy

    Genitourinary Procedures: Cystoscopy
    Neurogenic Bladder: Diagnosis

    Cystourethrocele

    Cystoceles, Urethroceles, Enteroceles, and Rectoceles

    Cystourethrography

    Genitourinary Tests and Procedures: Cystourethrography
    Obstructive Uropathy: Evaluation of suspected urethral obstruction

  • in children

  • Urinary Tract Infection in Children (UTI): Urinary tract imaging

    Cystourethroscopy

    Obstructive Uropathy: Evaluation of suspected urethral obstruction

    Cytapheresis

    Blood Products: Platelets
    Indications for Plasma Exchange According to the American Society for Apheresis Tables
    Therapeutic Apheresis: Cytapheresis

    Cytarabine

    Commonly Used Antineoplastic DrugsTables

    Cytidine deaminase deficiency

    Hyper-IgM Syndrome

    Cytochrome P-450

  • diet and

  • Nutrient-Drug Interactions

  • drug metabolism and

  • Pharmacokinetics in Children: Metabolism and elimination
    Drug Metabolism: Cytochrome P-450
    Common Substances That Interact With Cytochrome P-450 Enzymes Tables

  • echinacea interaction with

  • Some Possible Dietary Supplement–Drug Interactions*Tables
    Echinacea: Adverse effects

  • H2 blocker interaction with

  • Drug Treatment of Gastric Acidity: H2 blockers

  • protease inhibitor interaction with

  • Human Immunodeficiency Virus (HIV): Treatment

    Cytokines

  • in heat illness

  • Heat Illness: Pathophysiology

  • herapeutic blockade of

  • Immunotherapeutics: Recombinant cytokines

  • immune function of

  • Biology of the Immune System: Activation
    Components of the Immune System: Natural killer (NK) cells
    Components of the Immune System: Cytokines
    Host Defense Mechanisms Against Infection: Nonspecific Immune Responses

  • in neutropenia

  • Management of Adverse Effects of Cancer Therapy: Neutropenia

  • recombinant

  • Some Immunotherapeutic Agents in Clinical Use* Tables
    Immunotherapeutics: Recombinant cytokines

  • therapeutic blockade of

  • Some Immunotherapeutic Agents in Clinical Use* Tables
    Immunotherapeutics: Soluble cytokine receptors

    Cytomegalovirus (CMV) immune globulin

    Immune Globulins and Antitoxins* Available in the USTables

    Cytomegalovirus (CMV) infection

    Some Viruses That Cause Multisystem DiseaseTables
    Herpesviruses That Infect HumansTables
    Cytomegalovirus (CMV) Infection

  • congenital

  • Cytomegalovirus (CMV) Infection
    Congenital and Perinatal Cytomegalovirus Infection (CMV): Etiology

  • esophageal

  • Infectious Esophageal Disorders: HSV and CMV

  • hepatic

  • Selected Diseases or Organisms Associated With Liver InflammationTables
    Cytomegalovirus (CMV) Infection

  • HIV infection and

  • Common Manifestations of HIV Infection by Organ SystemTables

  • infectious mononucleosis vs

  • Infectious Mononucleosis: Diagnosis

  • in neonate

  • Community-Acquired Pneumonia in ChildrenTables
    Cytomegalovirus (CMV) Infection
    Congenital and Perinatal Cytomegalovirus Infection (CMV)

  • perinatal

  • Congenital and Perinatal Cytomegalovirus Infection (CMV): Etiology

  • retinal

  • Infectious Uveitis: Cytomegalovirus
    Cytomegalovirus (CMV) Infection

  • HIV infection and

  • Cytomegalovirus (CMV) Infection
    Common Manifestations of HIV Infection by Organ SystemTables

  • transfusion-transmitted

  • Complications of Transfusion: Infectious complications
    Cytomegalovirus (CMV) Infection

    Cytoplasmic acetoacetyl-CoA thiolase deficiency

    Disorders of Fatty Acid, Very Long-Chain Fatty Acid, and Glycerol MetabolismTables

    Cytoreduction

    Modalities of Cancer Therapy: Cytoreduction

    cacecfchciclcmcncocpcrcsctcucxcy
    Audio
    Figures
    Photographs
    Sidebars
    Tables
    Videos

    Copyright     © 2010-2013 Merck Sharp & Dohme Corp., a subsidiary of Merck & Co., Inc., Whitehouse Station, N.J., U.S.A.    Privacy    Terms of Use