- chronic lymphocytic leukemia
- chronic lymphocytic leukemia/small lymphocytic lymphoma
- chronic myelogenous leukemia
- chronic myeloid leukemia
- chronic myelomonocytic leukemia
- chronic neutrophilic leukemia
- chronic obstructive pulmonary disease
- chronic pain
- chronic phase
- chronic phase chronic myelogenous leukemia
- chronic prostatitis/chronic pelvic pain syndrome
- chrysotherapy
- CHS 828
- chyle
- CI-1033
- CI-958
- CI-980
- CI-994
- Cialis
- ciclopirox olamine lotion
- cidofovir
- cilengitide
- ciliary body
- cimetidine
- CIN
- CIN 1
- CIN 2
- CIN 2/3
- CIN 3
- cinacalcet hydrochloride
- cintredekin besudotox
- Cipro
- ciprofloxacin
- Circadin
- circulation
- circulatory system
- circumcision
- cirrhosis
- CIS
- cisplatin
- cisplatin liposomal
- cisplatin-e therapeutic implant
- Cistane
- citalopram
- citalopram hydrobromide
- Citracal
- citric acid/potassium-sodium citrate
- Citroma
- citrovorum factor
- cixutumumab