
Company Name | Drug Name | Trade Name | Patent Expires | Approval Date | Revenue | Period |
|---|---|---|---|---|---|---|
| Perrigo | Dextromethorphan, Guaifenesin | Guaifenesin Dextromethorphan |  | 2018-03-05 |  |  |
| Aurobindo Pharma | Dextromethorphan, Guaifenesin | Guaifenesin Dextromethorphan |  | 2017-03-17 |  |  |
| Dr Reddys Laboratories | Dextromethorphan, Guaifenesin | Guaifenesin Dextromethorphan |  | 2023-08-01 |  |  |
| Sun Pharmaceutical Industries | Dextromethorphan, Guaifenesin | Guaifenesin Dextromethorphan |  | 2021-07-01 |  |  |
| Amneal Pharmaceuticals | Dextromethorphan, Guaifenesin | Guaifenesin Dextromethorphan |  | 2018-11-01 |  |  |
Company name | Phase 1 | Phase 2 | Phase 3 | Phase 4 | Drug Name |
|---|---|---|---|---|---|