Subcategories
- Compulsive gambling
- Childhood schizophrenia
- Charcot-Marie-Tooth disease
- Churg-Strauss syndrome
- Chagas disease
- Celiac disease
- Compulsive sexual behavior
- Creutzfeldt-Jakob disease
- Castleman disease
- Coronary angiogram
- Carotid angioplasty and stenting
- Coarctation of the aorta
- Canker sore
- Central sleep apnea
- Childhood asthma
- Collagenous colitis, lymphocytic colitis
- Childhood obesity
- Cholestasis of pregnancy
- Cervical spondylosis
- Cancer
- Cholesterol, high blood
- COPD
- Cold, Flu & Cough
- Common warts
- Canker sores
- Chronic hives (urticaria)
- Chickenpox
- Colon cancer
- Complex regional pain syndrome
- Chronic kidney failure
- Cavities/tooth decay
- Cervical dystonia
- Complicated grief
- Cholecystitis
- Crohn's disease