Davis's Drug Guide
- 1–Day
- 40 Winks
- Abelcet
- Abenol
- Abevmy
- Abilify
- Abilify Asimtufii
- Abilify Maintena
- Abraxane
- Abreva
- Abrilada
- Absorica
- Absorica LD
- acai berry
- acai palm
- Accolate
- Accrufer
- Accuneb
- Accupril
- Accutane
- Aceon
- Acet
- Acetadote
- Aciphex
- Aciphex Sprinkle
- Aclasta
- Aclovate
- ACT
- Acta-Char Liquid-A
- Actemra
- Actemra ACTPen
- Acticlate
- Actidose-Aqua
- Actigall
- Actimmune
- Actiq
- Activase
- Actonel
- Actonel DR
- Actos
- Acuprin
- Acutrim 16 hr
- Acutrim II Maximum Strength
- Acutrim Late Day
- Aczone
- Adakveo
- Adalat CC
- Adalat XL
- Adasuve
- Adavite
- Adcetris
- Adcirca
- Adderall
- Adderall XR
- Addyi
- Ademetionine
- Adempas
- Adenocard
- Adenoscan
- Adhansia XR
- Adipex-P
- Adlarity
- Adlyxin
- Admelog
- Admelog SoloStar
- Adrenaclick
- Adrenalin
- Adriamycin
- Adthyza
- Aduhelm
- Advagraf
- Advate
- Advil
- Advil Infants
- Advil Junior Strength
- Advil Migraine
- Adzenys ER
- Adzenys-XR ODT
- Aemcolo
- Aerius
- Aermony Respiclick
- Aeroseb-Dex
- Aerospan
- Afeditab CR
- Afinitor
- Afinitor Disperz
- Afirmelle
- Afrezza
- African bird pepper
- Afrin
- Aftera
- Agenerase
- Aggrastat
- Agrylin
- AHA
- AHF
- A-Hydrocort
- Ahzantive
- Aimovig
- Airomir
- Ajagandha
- Ajovy
- Akineton
- Aklief
- Akovaz
- Akynzeo
- Ala-Cort
- Alamag
- Ala-Scalp
- Alavert
- Albee-T
- Albee with C
- Albenza
- Albuminar
- Albutein
- Aldactone
- Aldara P
- Aldomet
- Aldurazyme
- Alecensa
- Alecensaro
- Alertec
- Alevazol
- Aleve
- Alfen Jr
- Alfenta
- Alferon N
- Alhemo
- alhucema
- Alimta
- Alinia
- Aliqopa
- Alka-Mints
- Alkeran
- Alkindi Sprinkle
- Allegra
- Allegra Allergy
- Aller-Aide
- Aller-Chlor
- Allerdryl
- Allergy Formula
- Allerject
- AllerMax
- Allernix
- All-Heal
- Alli
- Alli sativa bulbus
- Allium sativum
- Allocord
- all-trans lycopene
- Allzital
- Almoate
- Aloe latex
- Aloe vera
- Aloprim
- Alora
- Aloxi
- Aloysia triphylla
- alpha1-antitrypsin
- Alphanate
- AlphaNine SD
- alpha tocopherol
- Alprolix
- Alramucil
- Altabax
- Altace
- Altamisa
- Altarussin
- Altavera
- AlternaGEL
- Altoprev
- Altreno
- Alu-Cap
- Alugel
- Aluminet
- Alunbrig
- Alupent
- Alu-Tab
- Alvaiz
- Alvesco
- Alyacen 1/35
- Alyacen 7/7/7
- Alyftrek
- Alymsys
- Alyq
- Amangura
- Amantilla
- Amaryl
- Amber
- Ambien
- Ambien CR
- AmBisome
- Ameluz
- Amerge
- Americaine Hemorrhoidal
- American coneflower
- American Dwarf Palm Tree
- American elder
- Amethia
- Amethyst
- Amevive
- Amgevita
- Amicar
- Amidate
- Amigesic
- Amikin
- 2-amino-2-deoxyglucose sulfate
- Amino-Opti-E
- Amitiza
- Amitone
- Amjevita
- Ammonul
- Amnesteem
- Amoxil
- Amphojel
- Ampyra
- Amrix
- Amukkirag
- Amvuttra
- Amytal
- Amzeeq
- Anaflex
- Anafranil
- Anandron
- Anapen
- Anapen Junior
- Anaprox
- Anaprox DS
- Anascorp
- Anaspaz
- Anbesol
- Anbesol Baby
- Anbesol Cold Sore Therapy
- Anbesol Jr.
- Anbesol Maximum Strength
- Ancef
- Ancobon
- Andexxa
- Androcur
- Androderm
- Androgel
- Anectine
- Anethum foeniculum
- Anethum graveolens
- Anexsia
- Angelica levisticum
- Angelica sinensis
- Angiomax
- anise seed
- anisoylated plasminogen–streptokinase activator complex
- Anoro Ellipta
- Ansaid
- Antabuse
- Antara
- Antazone
- Anthim
- Anthrasil
- antialopecia factor
- Antilirium
- antilymphocyte globulin
- Antivert
- Antizol
- Anturan
- Anturane
- Anusol HC
- Anzemet
- Anzupgo
- Aphexda
- Apidra
- Apidra Solostar
- Aplenzin
- Apo-C
- Apo-Cal
- Apo-Cromolyn
- Apo-Ferrous Gluconate
- Apo-Guanethidine
- Apokyn
- Aponvie
- Apo-Sulfamethoxazole
- Apo-Sulfinpyrazone
- Apo-Sulfisoxazole
- Apo-Terbinafine
- Apprilon
- Apresoline
- Apretude
- Apri-28
- Apriso
- APSAC
- Aptensio XR
- Aptiom
- Aptivus
- Aquachloral
- Aquasol A
- Aquasol E
- Aqueous Charcodote
- Arakoda
- Aralast
- Aralast NP
- Aralen
- Aranelle
- Aranesp
- Arava
- Arazlo
- Arcalyst
- Arcapta Neohaler
- Arcobee with C
- Aricept
- Aricept ODT
- Arikayce
- Arimidex
- Aristada
- Aristada Initio
- Aristocort
- Aristospan
- Arixtra
- Armour Thyroid
- Arnica montana
- Arnuity Ellipta
- Aromasin
- Arranon
- Artane
- Arynta
- Asacol
- Asacol HD
- Asaphen
- Asclera
- Ascor
- Ascorbicap
- Asendin
- Asgand
- Ashlyna
- Ashvagandha
- Asian ginseng
- Asmanex HFA
- Asmanex Twisthaler
- Asparlas
- Aspercreme Arthritis Pain
- Aspergum
- Aspir-Low
- Aspirtab
- assai palm
- Ass ear
- Astagraf XL
- Astepro Allergy
- AsthmaNefrin
- Astragali Membranaceus
- Asundha
- Asvagandha
- Aswaganda
- Atacand
- Atarax
- Atelvia
- ATG
- Athenon
- Athentia Next
- Ativan
- Atorvaliq
- Atralin
- Atriance
- Atrovent HFA
- ATryn
- Attruby
- Aubagio
- aubepine
- Aubra EQ
- Augmentin
- Augmentin ES
- Aurlumyn
- Aurolate
- aurothiomalate
- Aurovela 1/20
- Aurovela 1.5/30
- Aurovela 24 Fe
- Aurovela Fe 1/20
- Aurovela Fe 1.5/30
- Auryxia
- Austedo
- Austedo XR
- Auvi-Q
- Avamys
- Avandia
- Ava pepper
- Avapro
- Avastin
- Avelox
- Aventyl
- Averi
- Avgemsi
- Aviane
- AVINza
- Avita
- Avodart
- Avonex
- Avsola
- Avtozma
- Avycaz
- Avzivi
- Axert
- Axid
- Axid AR
- Axtle
- Aybintio
- Aygestin
- Ayuna
- Ayvakit
- Azactam
- Azasan
- Azilect
- Azmacort
- Azulfidine
- Azulfidine EN-tabs
- Azurette