List of drugs: An–Ap
an
- An-DTPA
- An-MAA
- '''An-sulfur colloid'''
ana-and
- Ana-Kit
- anacetrapib
- Anacin-3
- Anadrol-50
- Anafranil
- anagestone
- anagliptin
- anagrelide
- Anaids Tablet
- anakinra
- Analpram-HC
- AnaMantle HC
- Anamine Syrup
- anamorelin
- Anandron
- Anaprox
- anaritide
- Anaspaz
- anastrozole
- Anatrast
- anatumomab mafenatox
- Anatuss
- anaxirone
- anazocine
- anazolene sodium
- Anbesol
- ancarolol
- Ancef
- ancestim
- ancitabine
- Ancobon
- Ancotyl
- ancriviroc
- ancrod
- Andembry
- andolast
- Andriol
- Androcur
- Androderm
- Androgel
- Android-f
- Android
- Androlone
- androstanolone
- '''andusomeran'''
ane-anp
- Anectine
- Anemagen OB
- Angeliq
- Anergan
- Anestacon
- Anexsia
- Angio-Conray
- Angiomax
- angiotensin ii
- angiotensinamide
- Angiovist 282
- Angiscein
- Anhydron
- anidoxime
- anilamate
- anileridine
- anilopam
- Animi-3
- anipamil
- aniracetam
- anirolac
- anisacril
- anisindione
- anisopirol
- anistreplase
- anitrazafen
- anivamersen
- Anktiva
- Anodynos-DHC
- Anolor 300
- Anoquan
- '''anpirtoline'''
anr-anz
- anrukinzumab
- Ansaid
- Ansolysen
- ansoxetine
- Anspor
- ansuvimab
- ansuvimab-zykl
- Antabuse
- antafenite
- Antagon
- Antagonate
- antazoline
- antazonite
- antelmycin
- Antepar
- Anthra-Derm
- Anthraforte
- Anthranol
- Anthrascalp
- Anthrasil
- anthiolimine
- antienite
- Antilirium
- Antiminth
- Antineaream
- Antisedan
- antithrombin alfa
- antithrombin iii, human
- Antitussive
- Antivert
- Antizol
- antrafenine
- antramycin
- Antrenyl
- Antrizine
- Anturane
- Anusol hc
- Anxanil Oral
- Anzemet
- '''Anzupgo'''
ap
apa-apr
- apadenoson
- apadoline
- apafant
- apalcillin
- Apap with codeine phosphate
- Apatate
- apaxifylline
- apaziquone
- Apexelsin
- Aphedrid
- Aphexda
- Aphrodyne
- Aphthasol
- Apibax
- apicycline
- Apidra, also known as insulin
- apilimod
- apixaban
- aplaviroc
- aplindore
- Aplisol
- Aplitest
- Apogen
- Apokyn
- apolizumab
- apoptozole
- apovincamine
- APPG
- apraclonidine
- apramycin
- apratastat
- apremilast
- aprepitant
- Apresazide
- Apresoline-Esidrix
- Apresoline
- Apretude
- Apri
- apricitabine
- apricoxib
- aprikalim
- aprindine
- aprinocarsen
- aprobarbital
- aprocitentan
- Aprodine
- aprofene :ru:Апрофен
- aprosulate sodium
- '''aprotinin'''
apt
- aptazapine
- aptiganel
- '''aptocaine'''