| 29300-349 | Allopurinol | Allopurinol | Unichem Pharmaceuticals (USA), Inc. | ANDA | Current |
| 29300-349 | Allopurinol | Allopurinol | Unichem Pharmaceuticals (USA), Inc. | ANDA | Current |
| 29300-349 | Allopurinol | Allopurinol | Unichem Pharmaceuticals (USA), Inc. | ANDA | Current |
| 29300-350 | Allopurinol | Allopurinol | Unichem Pharmaceuticals (USA), Inc. | ANDA | Current |
| 29300-350 | Allopurinol | Allopurinol | Unichem Pharmaceuticals (USA), Inc. | ANDA | Current |
| 29300-350 | Allopurinol | Allopurinol | Unichem Pharmaceuticals (USA), Inc. | ANDA | Current |
| 50090-4662 | Allopurinol | Allopurinol | A-S Medication Solutions | ANDA | Current |
| 50090-4662 | Allopurinol | Allopurinol | A-S Medication Solutions | ANDA | Current |
| 50090-4663 | Allopurinol | Allopurinol | A-S Medication Solutions | ANDA | Current |
| 50090-4663 | Allopurinol | Allopurinol | A-S Medication Solutions | ANDA | Current |
| 60687-677 | Allopurinol | Allopurinol | American Health Packaging | ANDA | Current |
| 60687-688 | Allopurinol | Allopurinol | American Health Packaging | ANDA | Current |