- Campath
- Campath-1H
- camphor
- Camptogen
- Camptosar
- camptothecin
- camptothecin analog
- camptothecin analogue TLC388
- camptothecin-20(S)-O-propionate hydrate
- camptothecin-polymer conjugate IT-101
- canarypox-hIL-12 melanoma vaccine
- Cancell
- cancer
- cancer antigen 125
- cancer burden
- cancer cluster
- Cancer Information Service
- cancer of the adrenal cortex
- cancer of unknown primary origin
- Cancer Statistics Review (CSR)
- cancer vaccine
- Cancidas
- candesartan cilexetil
- candidiasis
- candidosis
- canertinib
- canertinib dihydrochloride
- canfosfamide hydrochloride
- cannabis-based oromucosal spray GW-1000-02
- Cantron
- Canvaxin
- CAP-1
- capecitabine
- Caphosol
- capillary
- capillary leak syndrome
- Capoten
- capromab pendetide
- capsaicin
- capsule
- capsule endoscope
- Captisol-enabled Melphalan IV
- captopril
- caracemide
- carbamazepine
- carbamide
- carbendazim
- Carbo-Tax regimen
- carbogen
- carbohydrate