Substancje czynne
- Carbo vegetabilis
 - Carbocisteinum
 - Carbocisteinum lysinum
 - Carbomerum
 - Carboplatinum
 - Cardamomi fructus
 - Cardamoni fuctus pulveratus
 - Carmustinum
 - Carprofenum
 - Carteololi hydrochloridum
 - Carvedilolum
 - Carvi fructus
 - Carvi fructus extractum
 - Caryophilli flos pulveratus
 - Caryophylli aetheroleum
 - Caryophylli flos
 - Caspofungini acetas
 - Caspofunginum
 - Cassia occidentalis semen
 - Cassiae flos