Health Encyclopedia: C A-Z 1 2 5 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z C-reactive protein Cleidocranial dysostosis C-section Clinitest tablets poisoning C1 esterase inhibitor Cloth dye poisoning CA-125 blood test Cloudy cornea Caffeine in the diet Clubbing of the fingers or toes Caffeine overdose Clubfoot Caladium plant poisoning Clubfoot repair Calcification Cluster headache Calcitonin blood test CMV - gastroenteritis/colitis Calcium - ionized CMV - immunocompromised host Calcium - urine CMV blood test Calcium and bones CMV pneumonia Calcium blood test CMV retinitis Calcium carbonate overdose CO2 blood test Calcium carbonate with magnesium overdose Coal worker's pneumoconiosis Calcium hydroxide poisoning Coarctation of the aorta Calcium in diet Cobalt poisoning Calcium pyrophosphate arthritis Cocaine intoxication Calcium supplements Cocaine withdrawal Calcium-channel blocker overdose Coccidioides complement fixation Calla lily Coccidioides precipitin test Caloric stimulation Cochlear implant Campho-Phenique overdose Codeine overdose Camphor overdose Cold intolerance Campylobacter infection Cold wave lotion poisoning Campylobacter serology test Colds and flus - antibiotics Canavan disease Colic and crying Cancer Colitis Cancer - resources Collagen vascular disease Cancer treatment information Collapsed lung (pneumothorax) Candida auris infection College students and the flu Candida infection of the skin Coloboma of the iris Candles poisoning Cologne poisoning Canker sore Cologuard Capillary nail refill test Colon cancer screening Capillary sample Colonoscopy Capsule endoscopy Color blindness Capsule Endoscopy Color vision test Caput succedaneum Colorado tick fever Carbohydrates Colorectal cancer Carbolic acid poisoning Colorectal cancer - resources Carbon monoxide poisoning Colorectal polyps Carbuncle Colostomy Carcinoid syndrome Colposcopy - directed biopsy Cardiac ablation procedures Comedones Cardiac amyloidosis Common cold Cardiac arrest Common peroneal nerve dysfunction Cardiac catheterization Community-acquired pneumonia in adults Cardiac event monitors Compartment syndrome Cardiac glycoside overdose Complement Cardiac tamponade Complement component 3 (C3) Cardiogenic shock Complement component 4 Cardiomyopathy Complement fixation test to C burnetii Cardiovascular Complex regional pain syndrome Cardioversion Comprehensive metabolic panel Carotid artery disease Compression fractures of the back Carotid artery surgery Compulsive gambling Carotid duplex Concomitant Carpal tunnel biopsy Concussion Carpal tunnel release Condoms - male Carpal tunnel syndrome Conduct disorder Castor oil overdose Cone biopsy Cat-scratch disease Confusion Cataract removal Congenital adrenal hyperplasia Catecholamine blood test Congenital antithrombin III deficiency Catecholamines - urine Congenital cataract Caterpillars Congenital cytomegalovirus Catheter-related UTI Congenital diaphragmatic hernia repair Caulking compound poisoning Congenital fibrinogen deficiency Cavernous sinus thrombosis Congenital heart defect - corrective surgery CBC blood test Congenital heart disease CEA blood test Congenital nephrotic syndrome Cedar leaf oil poisoning Congenital platelet function defects Celiac disease - nutritional considerations Congenital protein C or S deficiency Celiac disease - resources Congenital rubella Celiac disease - sprue Congenital syphilis Cell phones and cancer Congenital toxoplasmosis Cellulite Conjunctiva Cellulitis Conjunctivitis or pink eye Centipede Conscious sedation for surgical procedures Central blood pressures Constipation in infants and children Central nervous system Consumer rights and protections Central serous choroidopathy Contac overdose Central sleep apnea Contact dermatitis Central venous line - infants Contracture deformity Cerebral amyloid angiopathy Contraindication Cerebral aneurysm Conversion disorder Cerebral angiography Cooking utensils and nutrition Cerebral arteriovenous malformation Coombs test Cerebral hypoxia Copper in diet Cerebral palsy Copper poisoning Cerebral palsy - resources Cor pulmonale Cerebral spinal fluid (CSF) collection Cord blood testing Cerebrospinal fluid (CSF) culture Cord blood transplantation Cerebrovascular occlusive disease Corneal injury Certified nurse-midwife Corneal Neurotization Ceruloplasmin blood test Corneal transplant Cervical cancer Corneal ulcers and infections Cervical dysplasia Corns and calluses Cervical Herniated Disk Coronary angiography Cervical MRI scan Coronary artery fistula Cervical polyps Coronary artery radiotherapy Cervical spine CT scan Coronary artery spasm Cervical spondylosis Coronary heart disease Cervicitis Coronary risk profile Cervix Coronary Rotational Atherectomy Cervix cryosurgery Coronavirus Chafing Coronavirus disease 2019 (COVID-19) Chagas disease Corticosteroids overdose Chalazion Cortisol blood test Chancroid Cortisol urine test Changes in the newborn at birth Cosmetic ear surgery Chapped hands Costochondritis Chapped lips Cough Charcot foot Coughing up blood Charcot-Marie-Tooth disease COVID-19 symptoms Charley horse COVID-19 test Chediak-Higashi syndrome Cow's milk - infants Chemical burn or reaction Cow's milk and children Chemical dependence - resources CPK isoenzymes test Chemical pneumonitis CPR Chemosis CPR - adult and child after onset of puberty Chemotherapy CPR - infant Cherry angioma CPR - young child (age 1 year to onset of puberty) Chest CT Cradle cap Chest MRI Cranial mononeuropathy III Chest pain Cranial mononeuropathy III - diabetic type Chest tube insertion Cranial mononeuropathy VI Chest x-ray Cranial sutures Chiari malformations Craniopharyngioma Chicken soup and sickness Craniosynostosis Chickenpox Craniosynostosis repair Chickenpox vaccine Craniotabes Chiggers Creatine phosphokinase test Child neglect and emotional abuse Creatinine blood test Child physical abuse Creatinine clearance test Child safety seats Creatinine urine test Chills Creeping eruption Chin augmentation Creutzfeldt-Jakob disease Chiropractor profession Cri du chat syndrome Chlamydia Crigler-Najjar syndrome Chlamydia infections in women Crohn disease Chlamydial infections - male Croup Chlordiazepoxide overdose Crowns Chloride - urine test Crush injury Chloride in diet Crying in childhood Chloride test - blood Crying in infancy Chlorinated lime poisoning Cryoglobulinemia Chlorine poisoning Cryoglobulins Chlormerodrin overdose Cryotherapy for the skin Chlorophyll Cryptococcosis Chlorpromazine overdose Cryptosporidium enteritis Choanal atresia CSD skin test Choking - adult or child over 1 year CSF analysis Choking - infant under 1 year CSF cell count Choking - unconscious adult or child over 1 year CSF coccidioides complement fixation test Cholangiocarcinoma CSF glucose test Cholangitis CSF leak Choledocholithiasis CSF myelin basic protein Cholera CSF oligoclonal banding Cholestasis CSF smear Cholesteatoma CSF total protein Cholinesterase - blood CSF-VDRL test Choosing a primary care provider CT angiography - abdomen and pelvis Choosing the best doctor CT angiography - arms and legs Choriocarcinoma CT angiography - chest Chorionic villus sampling CT angiography - head and neck Choroid CT scan Choroidal dystrophies Cubital tunnel syndrome Chromatography Culdocentesis Chromium - blood test Culture - colonic tissue Chromium in diet Culture - duodenal tissue Chromosome Culture-negative endocarditis Chronic Curvature of the penis Chronic bilateral obstructive uropathy Cushing disease Chronic cholecystitis Cushing syndrome Chronic fatigue syndrome - resources Cushing syndrome due to adrenal tumor Chronic fatigue syndrome/Systemic exertion intolerance disease Cutaneous skin tag Chronic granulomatous disease Cuticle remover poisoning Chronic inflammatory demyelinating polyneuropathy Cuts and puncture wounds Chronic kidney disease Cyanoacrylates Chronic lymphocytic leukemia (CLL) Cyanotic heart disease Chronic motor tic disorder Cyclothymic disorder Chronic myelogenous leukemia (CML) Cyproheptadine overdose Chronic obstructive pulmonary disease (COPD) Cyst Chronic pain - resources Cystic fibrosis Chronic pancreatitis Cystic fibrosis - nutrition Chronic subdural hematoma Cystic fibrosis - resources Chronic thyroiditis (Hashimoto disease) Cystic hygroma Chronic unilateral obstructive uropathy Cysticercosis Chylomicronemia syndrome Cystinuria Ciliary body Cystitis - acute Circumcision Cystitis - noninfectious Cirrhosis Cystometric study Citric acid urine test Cystoscopy Claw foot Cytochrome b5 reductase Claw hand Cytologic evaluation Clean catch urine sample Cytology exam of pleural fluid Cleft lip and palate Cytology exam of urine Cleft lip and palate repair Cytomegalovirus (CMV) infection Cleft palate - resources