| Clue | Source | Date |
|---|---|---|
| Allergy medicine discontinued in the U.S | The Washington Post | 27 Mar 2020 |
| Allergy medicine discontinued in the U.S | LA Times Daily | 27 Mar 2020 |
| Discontinued allergy brand | LA Times Daily | 05 Nov 2017 |
| Discontinued allergy brand | The Washington Post | 05 Nov 2017 |
| Discontinued allergy brand | ||
| Allergy medication brand |