| 23155-794 | Doxepin Hydrochloride | Doxepin Hydrochloride | Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc. | ANDA | Current |
| 23155-795 | Doxepin Hydrochloride | Doxepin Hydrochloride | Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc. | ANDA | Current |
| 23155-796 | Doxepin Hydrochloride | Doxepin Hydrochloride | Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc. | ANDA | Current |
| 23155-797 | Doxepin Hydrochloride | Doxepin Hydrochloride | Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc. | ANDA | Current |
| 23155-798 | Doxepin Hydrochloride | Doxepn Hydrochloride | Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc. | ANDA | Current |
| 55801-527 | Doxepin Hydrochloride | Doxepin Hydrochloride | Appco Pharma LLC | ANDA | Current |
| 55801-528 | Doxepin Hydrochloride | Doxepin Hydrochloride | Appco Pharma LLC | ANDA | Current |
| 55801-529 | Doxepin Hydrochloride | Doxepin Hydrochloride | Appco Pharma LLC | ANDA | Current |
| 55801-530 | Doxepin Hydrochloride | Doxepin Hydrochloride | Appco Pharma LLC | ANDA | Current |
| 55801-531 | Doxepin Hydrochloride | Doxepn Hydrochloride | Appco Pharma LLC | ANDA | Current |