ala-alb
- Ala-Cort
- Ala-Quin
- Ala-Scalp
- Ala-Tet
- alacepril (INN)
- alacizumab pegol (INN)
- alafosfalin (INN)
- alagebrium chloride (USAN)
- Alamast
- alanine (INN)
- alanosine (INN)
- alaproclate (INN)
- alatrofloxacin (INN)
- Alavert
- alazanine triclofenate (INN)
- albaconazole (USAN)
- Albalon
- Albamycin
- albendazole oxide (INN)
- albendazole (INN)
- Albenza
- Albert Tiafen
- albifylline (INN)
- albiglutide (USAN)
- albinterferon alfa-2B (USAN, INN)
- albitiazolium bromide (INN)
- albuglutide (INN)
- Albuminar
- Albunex
- Albutein
- albuterol (INN)
- albutoin (INN)
alc-ale
- alcaftadine (USAN, INN)
- Alcaine
- Alcalak
- alclofenac (INN)
- alclometasone (INN)
- alcloxa (INN)
- alcohol, the type known as ethanol
- Alcomicin
- Alconefrinasal Solution
- alcuronium chloride (INN)
- Aldactazide
- Aldactone
- Aldara
- aldesleukin (INN)
- aldesulfone sodium (INN)
- aldioxa (INN)
- Aldoclor
- Aldomet
- Aldoril
- aldosterone (INN)
- Aldurazyme
- Alecensa
- alefacept (USAN)
- aleglitazar (USAN, INN)
- alemtuzumab (INN)
- alendronic acid (INN)
- alentemol (INN)
- aleplasinin (USAN, INN)
- alepride (INN)
- Aler-Dryl
- Alertec
- Alesse
- alestramustine (INN)
- Aleve
- alexidine (INN)
- alexitol sodium (INN)
alf-alh
- alfacalcidol (INN)
- alfadex (INN)
- alfadolone (INN)
- alfaprostol (INN)
- alfaxalone (INN)
- Alfenta (Taylor) redirects to alfentanil
- alfentanil (INN)
- alferminogene tadenovec (USAN, INN)
- Alferon
- alfetamine (INN)
- alfimeprase (USAN)
- alfuzosin (INN)
- algeldrate (INN)
- algenpantucel-L (USAN)
- algestone (INN)
- alglucerase (INN)
- alglucosidase alfa (USAN)
- Alhemo
ali-alk
- alibendol (INN)
- alicaforsen (INN, USAN)
- aliconazole (INN)
- alifedrine (INN)
- aliflurane (INN)
- alimadol (INN)
- alimemazine (INN)
- Alimta (Eli Lilly and Company)
- alinastine (INN)
- Alinia (Romark Laboratories)
- alinidine (INN)
- alipamide (INN)
- alipogene tiparvovec (INN)
- alisertib (INN, USAN)
- aliskiren (USAN)
- alisporivir INN, USAN)
- alitretinoin (INN)
- alizapride (INN)
- Alka-Mints (Bayer)
- Alka-Seltzer (Bayer)
- Alkeran (GlaxoSmithKline)
- Alkergot (Sandoz)
all
- Allay (Ivax Pharmaceuticals) mixture of hydrocodone and paracetamol
- Allegra-D (Sanofi-Aventis) mixture of fexofenadine and pseudoephedrine
- Allegra (Sanofi-Aventis), also known as fexofenadine
- Aller-Chlor
- Allercon Tablet
- Allerdryl (Valeant Pharmaceuticals)
- Allerfed
- AllerMax
- Allernix
- Allerphed
- Allersol
- Alli (GlaxoSmithKline)
- alletorphine (INN)
- allobarbital (INN)
- alloclamide (INN)
- Allocord
- allocupreide sodium (INN)
- allomethadione (INN)
- allopurinol (INN)
- allylestrenol (INN)
- allylprodine (INN)
- allylthiourea (INN)
alm-aln
- almadrate sulfate (INN)
- almagate (INN)
- almagodrate amcinonide (INN)
- almasilate (INN)
- almecillin (INN)
- almestrone (INN)
- alminoprofen (INN)
- almitrine (INN)
- almokalant (INN)
- almorexant INN
- almotriptan (INN)
- almoxatone (INN)
- almurtide (INN)
- alnespirone (INN)
- alniditan (INN)
alo
- Alocril
- alogliptin (USAN, INN)
- Alomide
- alonacic (INN)
- alonimid (INN)
- Alophen
- Aloprim
- Alora
- aloracetam (INN)
- alosetron (INN)
- alovudine (INN)
- Aloxi
- aloxiprin (INN)
- aloxistatin (INN)
- alozafone (INN)
alp-als
- alpertine (INN)
- Alpha Chymar
- Alphacaine
- alphacetylmethadol (INN)
- Alphaderm
- Alphadrol
- alphafilcon A (USAN)
- Alphagan
- Alphalin
- alphameprodine (INN)
- alphamethadol (INN)
- Alphamul
- Alphanate
- AlphaNine SD
- alphaprodine (INN)
- Alphaquin HP
- Alpharedisol
- Alphatrex
- Alphazine
- alpidem (INN)
- alpiropride (INN)
- alprafenone (INN)
- alprazolam (INN)
- alprenolol (INN)
- alprostadil (INN)
- alrestatin (INN)
- Alrex
- alsactide (INN)
alt-aly
- Altace (Pfizer/Sanofi-Aventis)
- Altamist
- altanserin (INN)
- altapizone (INN)
- Altebrel (INN)
- alteconazole (INN)
- alteplase (INN)
- Altinac
- altinicline (INN)
- altizide (INN)
- Altocor
- altoqualine (INN)
- altrenogest (INN)
- altretamine (INN)
- altumomab (INN)
- Altuviiio
- Alu-Cap
- Alu-Tab
- Aludrox
- aluminium clofibrate (INN)
- Alupent (Boehringer Ingelheim)
- Alustra
- alusulf (INN)
- alvameline maleate (USAN)
- alvelestat (INN)
- alverine (INN)
- alvespimycin (USAN, INN)
- alvimopan (USAN)
- alvircept sudotox (INN)
- alvocidib (INN)
- Alyftrek
- Alyglo
- Alymsys