TABLE 1.
Concomitant-medication statistics
| Concomitant medication or class | No. (%) of patientsa |
|---|---|
| Acetaminophen | 150 (26) |
| Acetylsalicylic acid | 63 (11) |
| Albuterol | 153 (26) |
| Guaifenesin | 83 (14) |
| Hydrocodone | 57 (10) |
| Ibuprofen | 47 (8) |
| Prednisone | 48 (8) |
| Pseudoephedrine | 82 (14) |
| Theophylline | 53 (9) |
| Renal transport inhibitors | |
| Anionic | 83 (14) |
| Cationic | 44 (8) |
| CYP2C9/19 inhibitors | 61 (11) |
| CYP2D6 inhibitors | 66 (11) |
| P-glycoprotein inhibitor | 42 (7) |
| Steroids (chronic only) | 32 (6) |
| Steroids (acute and chronic) | 67 (12) |
a
Patients could receive multiple concomitant medications.