| Corticosteroids Acting Locally | Not Available | 7 | 88 | Details |
| Corticosteroids for inhalation use | Corticosteroids administered via oral inhalation. | 9 | 84 | Details |
| Corticosteroids for Local Oral Treatment | Not Available | 4 | 64 | Details |
| Corticosteroids for Systemic Use | Not Available | 26 | 223 | Details |
| Corticosteroids for Systemic Use, Plain | Not Available | 20 | 171 | Details |
| Corticosteroids, Dermatological Preparations | Not Available | 39 | 291 | Details |
| Corticosteroids, Moderately Potent (Group II) | Not Available | 13 | 92 | Details |
| Corticosteroids, Potent (Group III) | Not Available | 21 | 143 | Details |
| Corticosteroids, Very Potent (Group IV) | Not Available | 2 | 9 | Details |
| Corticosteroids, Weak (Group I) | Not Available | 3 | 43 | Details |
| Corticotrophin-like synthetic polypeptides | Not Available | 0 | 0 | Details |
| Corticotropin-releasing Factor Type 1 Receptor Antagonist | Not Available | 1 | 5 | Details |
| Corticotropin-Releasing Hormone | Not Available | 1 | 3 | Details |
| Corticotropin-Releasing Hormone, antagonists & inhibitors | Not Available | 2 | 4 | Details |
| Cortisol Synthesis Inhibitors | Not Available | 2 | 35 | Details |
| Cosmetics | Substances intended to be applied to the human body for cleansing, beautifying, promoti... more | 18 | 154 | Details |
| Costimulatory and Inhibitory T-Cell Receptors | A family of receptors that modulate the activation of T-LYMPHOCYTES by the T-CELL ANTIG... more | 2 | 2 | Details |
| Cough and Cold Preparations | Not Available | 61 | 133 | Details |
| Coumarins | Synthetic or naturally occurring substances related to coumarin, the delta-lactone of c... more | 28 | 82 | Details |
| COVID-19 Vaccines | Vaccines or candidate vaccines containing SARS-CoV-2 component antigens, genetic materi... more | 19 | 6 | Details |
| COX-1 Inhibitors | Not Available | 1 | 32 | Details |
| COX-2 Inhibitors | A subclass of cyclooxygenase inhibitors with specificity for CYCLOOXYGENASE-2. | 11 | 111 | Details |
| Cresols | Any of three isomeric crystalline aromatic methylphenols, also known as hydroxytoluenes. | 8 | 19 | Details |
| Cromolyn Sodium | Not Available | 1 | 2 | Details |
| Cross-Linking Reagents | Reagents with two reactive groups, usually at opposite ends of the molecule, that are c... more | 11 | 69 | Details |