A
- Abacavir
- Aceclofenac
- Acetylcysteine
- Activated charcoal
- Acyclovir
- Adefovir dipivoxil
- Adenosine
- Amikacin
- Aminosalicylic acid
- Amoxicillin
- Amoxicillin-Clavulanic Acid
- Amphotericin B
- Amphotericin B liposomal
- Ampicillin
- Arbekacin
- Aspirin
- Atazanavir + cobicistat
- Atazanavir + Ritonavir
- Atropine
- Azithromycin
- Azithromycin + Fluconazole + Secnidazole
- Aztreonam