Ca
Calciphylaxis
Calluses and corns
Cancer
Cancer, acute lymphocytic leukemia
Cancer, anal
See
Anal cancer
Cancer, basal cell
Cancer, bladder
Cancer, bone
See
Bone cancer
Cancer, breast
Cancer, carcinoid tumors
Cancer, cervical
Cancer, chronic lymphocytic leukemia
Cancer, chronic myelogenous leukemia
Cancer, colon
See
Colon cancer
Cancer, endometrial
Cancer, esophageal
Cancer, eye melanoma
See
Eye melanoma
Cancer, gallbladder
Cancer, gastric
Cancer, hairy cell leukemia
Cancer, Hodgkin's disease
Cancer, Hurthle cell
Cancer, inflammatory breast
Cancer, kidney
Cancer, leukemia
See
Leukemia
Cancer, lip
See
Mouth cancer
Cancer, liver
See
Liver cancer
Cancer, lung
See
Lung cancer
Cancer, male breast
Cancer, Merkel cell
Cancer, mesothelioma
See
Mesothelioma
Cancer, mouth
See
Mouth cancer
Cancer, multiple myeloma
Cancer, nasopharyngeal
Cancer, neuroblastoma
Cancer, non-Hodgkin's lymphoma
Cancer, oral
See
Mouth cancer
Cancer, ovarian
Cancer, pancreatic
Cancer, paraneoplastic syndromes
Cancer, prostate
Cancer, rectal
Cancer, retinoblastoma
Cancer, skin
See
Skin cancer
Cancer, soft tissue sarcoma
Cancer, squamous cell
Cancer, stomach
Cancer, testicular
Cancer, throat
Cancer, thyroid
Cancer, uterine
Cancer, vagina
Cancer, vulvar
Cancer, Wilms' tumor
See
Wilms tumor
Candidiasis, oral
See
Oral thrush
Candidiasis, vaginal
Canker sore
Carbon monoxide poisoning
Carbuncles and boils
Carcinoid syndrome
Carcinoid tumors
Carcinoma of unknown primary
Cardiac arrest, sudden
Cardiac ischemia
Cardiogenic shock
Cardiomegaly
Cardiomyopathy
Cardiomyopathy, dilated
Cardiomyopathy, hypertrophic
Cardiospasm
See
Achalasia
Cardiovascular disease
Carotid artery disease
Carotid artery stenosis
Carotid insufficiency
Carpal tunnel syndrome
CAS
Castleman disease
Cataracts
Cavernous malformations
Cavities and tooth decay
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Ce
Celiac artery compression
Celiac artery compression syndrome
Celiac axis syndrome
Celiac disease
Celiac trunk compression syndrome
CELLO
Cellulite
Cellulitis
Central auditory processing disorder
Central nervous system vascular malformations
Central sleep apnea
Cercarial dermatitis
Cerebral aneurysm
Cerebral palsy
Cerebrospinal fluid leak
Cerebrovascular accident
See
Stroke
Cerumen impaction
Cervical cancer
Cervical dystonia
Cervical osteoarthritis
Cervical pain
See
Neck pain
Cervical spondylosis
Cervicitis
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Ch
Chagas disease
Charcot-Marie-Tooth disease
CHD
Chemical dependency
Chemo brain
Chest pain
Chest wall pain
Chiari malformation
Chickenpox
Chilblains
Child abuse
Child maltreatment
See
Child abuse
Childhood apraxia of speech
Childhood asthma
Childhood obesity
Childhood schizophrenia
Chlamydia
Chlamydia trachomatis
Cholangiocarcinoma (bile duct cancer)
Cholangitis, primary sclerosing
Cholecystitis
Cholera
Cholestasis of pregnancy
Chondrosarcoma
Chordoma
Chorea, Huntington's
Choroid plexus carcinoma
Chronic adrenal insufficiency
Chronic compartment syndrome
Chronic cough
Chronic daily headaches
Chronic exertional compartment syndrome
Chronic fatigue syndrome
Chronic granulomatous disease
Chronic hives
Chronic kidney disease
Chronic kidney failure
Chronic lymphocytic leukemia
Chronic lymphocytic thyroiditis
Chronic myelogenous leukemia
Chronic obstructive pulmonary disease
See
COPD
Chronic pelvic pain
Chronic renal failure
Chronic sinusitis
Chronic traumatic encephalopathy
Chronic vulvar pain
See
Vulvodynia
Churg-Strauss syndrome
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Cl
Claudication
Cleft lip and cleft palate
Click-murmur syndrome
Clinical depression
CLL
Clostridioides difficile infection
Clostridium difficile infection
Clubfoot
Cluster headache
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Co
Coarctation of the aorta
Coccidioidomycosis
See
Valley fever
Cold allergy
Cold exposure
See
Hypothermia
Cold sore
Cold urticaria
Cold, common
See
Common cold
Colic
Colitis, ischemic
Colitis, microscopic
Colitis, pseudomembranous
Colitis, ulcerative
Collapsed lung
See
Atelectasis
Collapsed lung
See
Pneumothorax
Colon cancer
Colon polyps
Colonic ischemia
Color blindness
Colorectal cancer
See
Colon cancer
Columnar epithelium lined lower esophagus
Coma
Common cold
Common cold in babies
Common variable immunodeficiency
Common warts
Complex regional pain syndrome
Complicated bereavement
Complicated grief
Compulsive gambling
Compulsive hoarding syndrome
Compulsive overeating
Compulsive sexual behavior
Compulsive stealing
See
Kleptomania
Concussion
Condylomata acuminata
Congenital adrenal hyperplasia
Congenital diaphragmatic hernia (CDH)
Congenital heart defects in children
Congenital heart disease in adults
Congenital hip dislocation
Congenital megacolon
Congenital mitral valve anomalies
Congenital myasthenic syndromes
Congenital plagiocephaly
Congestive heart failure
Conjoined twins
Conjunctivitis
Constipation
Constipation in children
Contact dermatitis
Conversion disorder
Cooley's anemia
See
Thalassemia
COPD
Corns and calluses
Coronary artery disease
Coronary microvascular disease
Coronavirus disease 2019 (COVID-19)
Corticobasal degeneration (corticobasal syndrome)
Costochondritis
Costosternal chondrodynia
Costosternal syndrome
Cough headaches
Cough, chronic
COVID-19
COVID-19-associated multisystem inflammatory syndrome in children
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Cr
Crabs
Cradle cap
Cramp, muscle
See
Muscle cramp
Cramps, menstrual
Cranial arteritis
Craniopharyngioma
Craniosynostosis
Creutzfeldt-Jakob disease
Crib death
Crohn's disease
Croup
CRPS
Cryoglobulinemia
Cryptorchidism
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Cu
Curvature of the penis
Curvature of the spine
See
Scoliosis
Cushing syndrome
Cutaneous B-cell lymphoma
Cutaneous T-cell lymphoma
Self-injury/cutting
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Cy
Cyclic vomiting syndrome
Cyclothymia (cyclothymic disorder)
Cyclothymic disorder
Cyst, Bartholin's
Cyst, ganglion
Cyst, kidney
See
Kidney cysts
Cyst, ovarian
Cyst, pancreatic
Cyst, pilonidal
Cyst, spermatic
See
Spermatocele
Cystic fibrosis
Cystitis
Cystitis, interstitial
Cystocele
Cysts, epidermoid
Cysts, sebaceous
Cytomegalovirus (CMV) infection
Cytomegalovirus infection
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