Calcium Deposits and Tendinitis (Calcific Tendinitis)
Calf Muscle Injury
Calluses and Corns
Campylobacteriosis
Cancell/Cantron/Protocel (PDQ®): Integrative, alternative, and complementary therapies - Health Professional Information [NCI]
Cancell/Cantron/Protocel (PDQ®): Integrative, alternative, and complementary therapies - Patient Information [NCI]
Cancer
Cancer Genetics Overview (PDQ®): Genetics - Health Professional Information [NCI]
Cancer Genetics Risk Assessment and Counseling (PDQ®): Genetics - Health Professional Information [NCI]
Cancer Pain
Cancer Pain (PDQ®): Supportive care - Health Professional Information [NCI]
Cancer Pain (PDQ®): Supportive care - Patient Information [NCI]
Cancer Prevention Overview (PDQ®): Prevention - Health Professional Information [NCI]
Cancer Prevention Overview (PDQ®): Prevention - Patient Information [NCI]
Cancer Screening Overview (PDQ®): Screening - Health Professional Information [NCI]
Cancer Screening Overview (PDQ®): Screening - Patient Information [NCI]
Cancer Therapy Interactions With Foods and Dietary Supplements (PDQ®): Integrative, alternative, and complementary therapies - Health Professional Information [NCI]
Cancer Therapy Interactions With Foods and Dietary Supplements (PDQ®): Integrative, alternative, and complementary therapies - Patient Information [NCI]
Cancer-Related Post-Traumatic Stress (PDQ®): Supportive care - Health Professional Information [NCI]
Cancer-Related Post-traumatic Stress (PDQ®): Supportive care - Patient Information [NCI]
Cancer: Controlling Cancer Pain
Cancer: Controlling Nausea and Vomiting From Chemotherapy
Canker Sores
Cannabis and Cannabinoids (PDQ®): Integrative, alternative, and complementary therapies - Health Professional Information [NCI]
Cannabis and Cannabinoids (PDQ®): Integrative, alternative, and complementary therapies - Patient Information [NCI]
Capsaicin
Carbon Dioxide Laser Treatment for Abnormal Cervical Cell Changes
Carbon Monoxide Poisoning
Carcinoma of Unknown Primary Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Carcinoma of Unknown Primary Treatment (PDQ®): Treatment - Patient Information [NCI]
Cardiac Arrest
Cardiac Rehabilitation
Cardiopulmonary Syndromes (PDQ®): Supportive care - Health Professional Information [NCI]
Cardiopulmonary Syndromes (PDQ®): Supportive care - Patient Information [NCI]
Care at the End of Life
Caregiver Tips
Carotid Artery Disease
Carotid Artery Stenting
Carotid Endarterectomy
Carpal Tunnel Syndrome
Carpal Tunnel Syndrome: Should I Have Surgery?
Cartilage (Bovine and Shark) (PDQ®): Integrative, alternative, and complementary therapies - Health Professional Information [NCI]
Cartilage (Bovine and Shark) (PDQ®): Integrative, alternative, and complementary therapies - Patient Information [NCI]
Cataract Surgery
Cataracts
Cataracts in Children
Cataracts: Should I Have Surgery?
Catheter Ablation for a Fast Heart Rate
Catheter Ablation for Atrial Fibrillation
Catheters for Urinary Incontinence in Men
Chamomile
Change in Heartbeat
Chelation Therapy
Chemical Peel
Chemo Brain
Chest Problems
Chickenpox (Varicella)
Chickenpox: Controlling the Itch
Chikungunya Fever
Child Abuse and Neglect
Childbirth: Epidurals
Childbirth: Pudendal Block
Childhood Acute Lymphoblastic Leukemia Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Childhood Acute Lymphoblastic Leukemia Treatment (PDQ®): Treatment - Patient Information [NCI]
Childhood Acute Myeloid Leukemia/Other Myeloid Malignancies Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Childhood Acute Myeloid Leukemia/Other Myeloid Malignancies Treatment (PDQ®): Treatment - Patient Information [NCI]
Childhood Adrenocortical Carcinoma Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Childhood Adrenocortical Carcinoma Treatment (PDQ®): Treatment - Patient Information [NCI]
Childhood Astrocytomas Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Childhood Astrocytomas Treatment (PDQ®): Treatment - Patient Information [NCI]
Childhood Basal Cell Carcinoma and Squamous Cell Carcinoma of the Skin Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Childhood Basal Cell Carcinoma and Squamous Cell Carcinoma of the Skin Treatment (PDQ®): Treatment - Patient Information [NCI]
Childhood Bladder Cancer Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Childhood Bladder Cancer Treatment: Treatment - Patient Information [NCI]
Childhood Brain and Spinal Cord Tumors Treatment Overview (PDQ®): Treatment - Health Professional Information [NCI]
Childhood Brain and Spinal Cord Tumors Treatment Overview (PDQ®): Treatment - Patient Information [NCI]
Childhood Brain Stem Glioma Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Childhood Brain Stem Glioma Treatment (PDQ®): Treatment - Patient Information [NCI]
Childhood Breast Cancer Treatment (PDQ®): Treatment - Patient Information [NCI]
Childhood Breast Tumors Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Childhood Cancer Genomics (PDQ®): Treatment - Health Professional Information [NCI]
Childhood Carcinoma of Unknown Primary Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Childhood Carcinoma of Unknown Primary Treatment (PDQ®): Treatment - Patient Information [NCI]
Childhood Cardiac (Heart) Tumors Treatment (PDQ®): Treatment - Patient Information [NCI]
Childhood Cardiac Tumors Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Childhood Central Nervous System Atypical Teratoid/Rhabdoid Tumor Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Childhood Central Nervous System Atypical Teratoid/Rhabdoid Tumor Treatment (PDQ®): Treatment - Patient Information [NCI]
Childhood Central Nervous System Germ Cell Tumors Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Childhood Central Nervous System Germ Cell Tumors Treatment (PDQ®): Treatment - Patient Information [NCI]
Childhood Cervical and Vaginal Cancer Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Childhood Cervical and Vaginal Cancer Treatment (PDQ®): Treatment - Patient Information [NCI]
Childhood Chordoma Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Childhood Chordoma Treatment (PDQ®): Treatment - Patient Information [NCI]
Childhood Colorectal Cancer Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Childhood Colorectal Cancer Treatment (PDQ®): Treatment - Patient Information [NCI]
Childhood Craniopharyngioma Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Childhood Craniopharyngioma Treatment (PDQ®): Treatment - Patient Information [NCI]
Childhood Ependymoma Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Childhood Ependymoma Treatment (PDQ®): Treatment - Patient Information [NCI]
Childhood Esophageal Cancer Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Childhood Esophageal Cancer Treatment (PDQ®): Treatment - Patient Information [NCI]
Childhood Esthesioneuroblastoma Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Childhood Esthesioneuroblastoma Treatment (PDQ®): Treatment - Patient Information [NCI]
Childhood Extracranial Germ Cell Tumors Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Childhood Extracranial Germ Cell Tumors Treatment (PDQ®): Treatment - Patient Information [NCI]
Childhood Gastrointestinal Neuroendocrine Tumors Treatment (PDQ®): Treatment - Patient Information [NCI]
Childhood Gastrointestinal Stromal Tumors Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Childhood Gastrointestinal Stromal Tumors Treatment (PDQ®): Treatment - Patient Information [NCI]
Childhood Hodgkin Lymphoma Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Childhood Hodgkin Lymphoma Treatment (PDQ®): Treatment - Patient Information [NCI]
Childhood Intraocular (Uveal) Melanoma Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Childhood Intraocular (Uveal) Melanoma Treatment (PDQ®): Treatment - Patient Information [NCI]
Childhood Laryngeal Tumors Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Childhood Laryngeal Tumors Treatment (PDQ®): Treatment - Patient Information [NCI]
Childhood Liver Cancer Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Childhood Liver Cancer Treatment: Treatment - Patient Information [NCI]
Childhood Medulloblastoma and Other Central Nervous System Embryonal Tumors Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Childhood Medulloblastoma and Other Central Nervous System Embryonal Tumors Treatment (PDQ®): Treatment - Patient Information [NCI]
Childhood Melanoma Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Childhood Melanoma Treatment (PDQ®): Treatment - Patient Information [NCI]
Childhood Mesothelioma Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Childhood Mesothelioma Treatment (PDQ®): Treatment - Patient Information [NCI]
Childhood Midline Tract Carcinoma Involving the NUT Gene (NUT Midline Carcinoma) Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Childhood Midline Tract Carcinoma with NUT Gene Changes Treatment (PDQ®): Treatment - Patient Information [NCI]
Childhood Multiple Endocrine Neoplasia (MEN) Syndromes Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Childhood Multiple Endocrine Neoplasia (MEN) Syndromes Treatment (PDQ®): Treatment - Patient Information [NCI]
Childhood Nasopharyngeal Cancer Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Childhood Nasopharyngeal Cancer Treatment (PDQ®): Treatment - Patient Information [NCI]
Childhood Non-Hodgkin Lymphoma Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Childhood Non-Hodgkin Lymphoma Treatment (PDQ®): Treatment - Patient Information [NCI]
Childhood Oral Cavity Cancer Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Childhood Oral Cavity Cancer Treatment (PDQ®): Treatment - Patient Information [NCI]
Childhood Ovarian Cancer Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Childhood Ovarian Cancer Treatment (PDQ®): Treatment - Patient Information [NCI]
Childhood Pancreatic Cancer Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Childhood Pancreatic Cancer Treatment (PDQ®): Treatment - Patient Information [NCI]
Childhood Pheochromocytoma and Paraganglioma Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Childhood Pheochromocytoma and Paraganglioma Treatment (PDQ®): Treatment - Patient Information [NCI]
Childhood Pleuropulmonary Blastoma Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Childhood Pleuropulmonary Blastoma Treatment (PDQ®): Treatment - Patient Information [NCI]
Childhood Pulmonary Inflammatory Myofibroblastic Tumors Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Childhood Rhabdomyosarcoma Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Childhood Rhabdomyosarcoma Treatment (PDQ®): Treatment - Patient Information [NCI]
Childhood Salivary Gland Tumors Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Childhood Salivary Gland Tumors Treatment (PDQ®): Treatment - Patient Information [NCI]
Childhood Soft Tissue Sarcoma Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Childhood Soft Tissue Sarcoma Treatment (PDQ®): Treatment - Patient Information [NCI]
Childhood Stomach (Gastric) Cancer Treatment (PDQ®): Treatment - Patient Information [NCI]
Childhood Testicular Cancer Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Childhood Testicular Cancer Treatment (PDQ®): Treatment - Patient Information [NCI]
Childhood Thymoma and Thymic Carcinoma Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Childhood Thymoma and Thymic Carcinoma Treatment (PDQ®): Treatment - Patient Information [NCI]
Childhood Thyroid Cancer Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Childhood Thyroid Cancer Treatment (PDQ®): Treatment - Patient Information [NCI]
Childhood Tracheobronchial Tumors Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Childhood Tracheobronchial Tumors Treatment (PDQ®): Treatment - Patient Information [NCI]
Childhood Vascular Tumors Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Childhood Vascular Tumors Treatment (PDQ®): Treatment - Patient Information [NCI]
Children's Health
Chlamydia
Choking Rescue Procedure: Heimlich Maneuver
Cholecystitis
Cholera Vaccine: What You Need to Know
Cholestasis of Pregnancy
Choosing a Health Care Agent
Choosing a Vitamin and Mineral Supplement
Choosing Child Care
Chromium
Chronic Kidney Disease
Chronic Lung Disease in Infants
Chronic Lymphocytic Leukemia (CLL)
Chronic Lymphocytic Leukemia Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Chronic Lymphocytic Leukemia Treatment (PDQ®): Treatment - Patient Information [NCI]
Chronic Myelogenous Leukemia Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Chronic Myelogenous Leukemia Treatment (PDQ®): Treatment - Patient Information [NCI]
Chronic Myeloid Leukemia (CML)
Chronic Myeloproliferative Neoplasms Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Chronic Myeloproliferative Neoplasms Treatment (PDQ®): Treatment - Patient Information [NCI]
Chronic Myofascial Pain
Chronic Pain
Chronic Pain: Using Healthy Thinking
Chronic Pelvic Pain
Cochlear Implants
Coenzyme Q10
Coenzyme Q10 (PDQ®): Integrative, alternative, and complementary therapies - Health Professional Information [NCI]
Coenzyme Q10 (PDQ®): Integrative, alternative, and complementary therapies - Patient Information [NCI]
Cognitive Impairment in Adults With Cancer (PDQ®): Supportive care - Health Professional Information [NCI]
Cognitive Impairment in Adults with Cancer (PDQ®): Supportive care - Patient Information [NCI]
Cognitive-Behavioral Therapy for Eating Disorders
Cognitive-Behavioral Therapy for Pain Management
Cold Sores
Cold Temperature Exposure
Colds
Colds and Flu
Colic
Collapsed Lung (Pneumothorax)
Colon Cancer Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Colon Cancer Treatment (PDQ®): Treatment - Patient Information [NCI]
Colon Polyps
Color Blindness
Colorectal Cancer
Colorectal Cancer Genetic Testing
Colorectal Cancer Prevention (PDQ®): Prevention - Health Professional Information [NCI]
Colorectal Cancer Prevention (PDQ®): Prevention - Patient Information [NCI]
Colorectal Cancer Screening (PDQ®): Screening - Health Professional Information [NCI]
Colorectal Cancer Screening (PDQ®): Screening - Patient Information [NCI]
Colorectal Cancer, Metastatic or Recurrent
Colorectal Cancer: Which Screening Test Should I Have?
Colostomy
Communication in Cancer Care (PDQ®): Supportive care - Health Professional Information [NCI]
Communication in Cancer Care (PDQ®): Supportive care - Patient Information [NCI]
Complementary Medicine
Complementary Medicine
Complex Regional Pain Syndrome
Complications, Graft-Versus-Host Disease, and Late Effects After Pediatric Hematopoietic Stem Cell Transplantation (PDQ®): Treatment - Health Professional Information [NCI]
Comprehensive Metabolic Panel
Comprehensive Rehabilitation Programs for Low Back Pain
Compression Stockings: How to Use Them
Concussion
Confusion, Memory Loss, and Altered Alertness
Congenital Heart Defects in Children
Congenital Heart Disease: Caring for Your Child
Congenital Hydrocele
Congenital Hydrocephalus
Congenital Torticollis
Constipation, Age 11 and Younger
Constipation, Age 12 and Older
Contact Lenses
Continuous Positive Airway Pressure (CPAP) Therapy for Obstructive Sleep Apnea
COPD
COPD (Chronic Obstructive Pulmonary Disease)
COPD: Avoiding Weight Loss
COPD: Avoiding Your Triggers
COPD: Clearing Your Lungs
COPD: Keeping Your Diet Healthy
COPD: Lung Volume Reduction Surgery
COPD: Using Exercise to Feel Better
Coping When Your Child Is Near the End of Life
Coping With Osteoarthritis
Corneal Ring Implants for Nearsightedness
Coronary Angioplasty
Coronary Artery Bypass Surgery
Coronary Artery Disease
Coronary Artery Disease: Exercising for a Healthy Heart
Coronary Artery Disease: Should I Have an Angiogram?
Coronary Artery Disease: Should I Have Angioplasty for Stable Angina?
Coronary Artery Disease: Should I Have Bypass Surgery?
Coronary Calcium Scan: Should I Have This Test?
Coronavirus (COVID-19)
Coronavirus (COVID-19) Symptom Checker
Cosmetic Surgery and Procedures
Coughs, Age 11 and Younger
Coughs, Age 12 and Older
Counseling for PTSD