- Adacel
- Adagen
- Adakveo
- Adalat
- Adalimumab
- Adalimumab-adaz
- Adalimumab-adbm
- Adalimumab-afzb
- Adalimumab-atto
- Adalimumab-bwwd
- Adalimumab-fkjp
- Adapalene
- Adapalene and benzoyl peroxide
- Adapalene, Combinations
- Adapin
- Adasuve
- Adbeon
- Adcetris
- Adcirca
- Addaprin
- Adderall
- Adderall XR
- Addyi
- Adefovir
- Ademetionine
- Adempas
- Adenocard
- Adenoscan
- Adenosine
- Adgan
- Adhansia XR
- Adinazolam
- Adipex-P
- Adipiodone
- Adlyxin
- Admelog
- Ado-trastuzumab Emtansine
- Adoxa
- Adprin B
- Adrafinil
- Adrenaclick
- Adrenalone
- Adriamycin
- Adrucil
- Adsorbocarpine
- Adsorbonac
- Advair Diskus
- Advair HFA
- Advanced Eye Relief Night Time
- Advanced Eye Relief Redness Instant Relief
- Advanced Formula Di-Gel
- Advate
- Advicor
- Advil
- Advil Allergy & Congestion Relief
- Advil Allergy Sinus
- Advil Children's Cold
- Advil Cold and Sinus
- Advil Congestion Relief
- Advil PM
- Advil PM Liqui-Gels
- Adynovate
- Adzenys ER
- Adzenys XR-ODT