| # | Drug class | Count | Frequency |
|---|---|---|---|
| 0 | Antidiarrheal [EPC] | 4 | 0.0172 |
| 1 | Cytochrome P450 3A Inhibitor [EPC] | 482 | 0.0080 |
| 2 | Human Immunodeficiency Virus Nucleoside Analog Reverse Transcriptase Inhibitor [EPC] | 852 | 0.0076 |
| 3 | Protease Inhibitor [EPC] | 272 | 0.0061 |
| 4 | CCR5 Co-receptor Antagonist [EPC] | 11 | 0.0048 |
| 5 | Hepatitis B Virus Nucleoside Analog Reverse Transcriptase Inhibitor [EPC] | 201 | 0.0041 |
| 6 | alpha-Hydroxy Acid [EPC] | 5 | 0.0024 |
| 7 | Human Immunodeficiency Virus 1 Non-Nucleoside Analog Reverse Transcriptase Inhibitor [EPC] | 46 | 0.0019 |
| 8 | Non-narcotic Antitussive [EPC] | 27 | 0.0016 |
| 9 | Serotonin-4 Receptor Agonist [EPC] | 1 | 0.0016 |