• aminolon
• amiodarone
• amisulpride
• amitriptyline
• amlodipine
• ammonia
• ammonia solution
• ammonia solution concentrated
• ammonium chloride
• ammonium ferric citrate
• amomum dry extract
• amorolfine
• amoxicillin
• ampicillin
• amtolmetin guacil
• amylase
• amylmetacresol
• anagrelide
• anastrozole
• anethole
• anidulafungin
• anise oil
• antacid
• anthral
• anti-rabies immunoglobulin
• antitetanus immunoglobulin fragments horse
• antithrombin III
• antithymocyte globulin equine
• antitoxic fraction of liver extract
• apilac lyophilized
• apixaban
• apomorphine
• aprepitant
• aprotinin
• aqueous alcoholic extract of a mixture of herbal raw materials
• aqueous dry extract of field artichoke leaves
• aqueous ethanolic dry valerian extract
• aqueous extract from the prostate glands of mature bulls (prostalene)
• aralia root tincture
• arginine
• arginine aspartate
• arginine glutamate
• arginine hydrochloride
• arginine succinate
• aripiprazole
• armadin
• armodafinil
• articaine
• artichoke dry extract
• artichoke extract dry