as Asacol Asaphen Asbron Asceniv ascorbic acid (INN) Ascorbicap Ascriptin Asellacrin 10 aselizumab (INN) asenapine (INN) Asendin aseripide (INN) Aservo Equihaler asfotase alfa (INN) asimadoline (INN) Asmalix, also known as theophylline. asobamast (INN) asocainol (INN) asoprisnil (USAN) asparaginase (INN) aspartame (INN) aspartic acid (INN) aspartocin (INN) Aspercin Aspergum aspirin aspoxicillin (INN) Astelin astemizole (INN) Astramorph PF astromicin (INN) astuprotimut-R (USAN) asunaprevir (USAN, INN)
at ata-atn Atabrine (Abbott) Atacand atacicept (USAN, INN) atacicept-vymj ataciguat (INN) atagabalin (USAN, INN) ataluren (USAN, INN) atamestane (INN) ataprost (INN) Atapryl Atarax Atasol atazanavir (USAN) Atebrioz atecegatran fexenetil (INN) atecegatran (INN) Atehexal atenolol (INN) atevirdine (INN) atexakin alfa (INN) ATG Atgam Athrombin-K Athrombin atibeprone (INN) atidarsagene autotemcel (USAN, INN) atiglifozin (INN) atilmotin (USAN) atinumab (INN) atinvicitinib (INN) atiratecan (INN) atipamezole (INN) atiprimod (INN) atiprosin (INN) Ativan atizoram (INN) atliprofen (INN) Atnaa
ato-atz atolide (INN) Atolone Oral atomoxetine (USAN) atopaxar (USAN, INN) atorolimumab (INN) Atorvaliq atorvastatin (INN) atosiban (INN) atovaquone (INN) Atozine Oral atracurium besilate (INN) atrasentan (INN) atreleuton (INN) atriciguat (INN) Atridox atrimustine (INN) atrinositol (INN) Atrohist Plus atromepine (INN) Atromid-S Atropen atropine atropine methonitrate (INN) atropine oxide (INN) Atrosept Atrovent Attenuvax Attrogy Attruby Atzumi
au Aucatzyl Augmentin Augtyro Aujemflu Aumseqa Auralgan auranofin (INN) Aureomycin Aurexis Aurodex Aurolate aurothioglycanide (INN) Auroto Aususvar Autoplex T
av avagacestat (USAN, INN) Avagard Avage Avalide Avance Avmapki Avmapki Fakzynja avanafil (USAN) Avandamet Avandia Avapro AVAR avasimibe (INN) Avastin Avaxim AVC Aveeno Cleansing Bar Avelox Aventyl Avgemsi Aviane avibactam (INN) avicatonin (INN) avilamycin (INN) Avinza aviptadil (INN) aviscumine (INN) Avita Avitene avitriptan (INN) avizafone (INN) Avlayah Avlosulfon avobenzone (INN) Avodart Avonex avoparcin (INN) avorelin (INN) avosentan (INN) avotermin (INN) avridine (INN) Avtozma Avzivi
aw-ay Awiqli Awiqli FlexTouch axamozide (INN) axatilimab (INN) Axberi Axberi HP Axert axicabtagene ciloleucel (USAN, INN) Axid axitinib (USAN) Axocet axomadol (USAN) Axotal Aybintio Aygestin Ayradia
az aza azab-azaq azabon (INN) azabuperone (INN) azacitidine (INN) azaclorzine (INN) azaconazole (INN) azacosterol (INN) Azactam azacyclonol (INN) azaftozine (INN) Azahexal (Hexal Australia) [Au], also known as azathioprine. azalanstat (INN) azalomycin (INN) azaloxan (INN) azamethonium bromide (INN) azamulin (INN) azanator (INN) azanidazole (INN) azaperone (INN) azaprocin (INN) azapropazone (INN) azaquinzole (INN)
azar-azat azaribine (INN) Azasan azaserine (INN) azasetron (INN) azaspirium chloride (INN) azastene (INN) azatadine (INN) azatepa (INN) azathioprine (INN)
azd-azm Azdone azelaic acid (INN) azelastine (INN) Azelex azelnidipine (INN) azepexole (INN) azepindole (INN) azetirelin (INN) azficel-T (USAN) azidamfenicol (INN) azidocillin (INN) azilsartan (INN) azilsartan kamedoxomil (USAN) azilsartan medoxomil (USAN) azimexon (INN) azimilide (INN) azintamide (INN) azipramine (INN) azithromycin (INN) Azlin azlocillin (INN) Azmacort
azo-azu Azo Gantanol Azo Gantrisin Azolid azolimine (INN) Azopt azosemide (INN) azotomycin (INN) azoximer bromide (INN) aztreonam (INN) Azulfidine azumolene (INN)